Title of Invention	PROCESS FOR SYNTHESIS OF PARA PROPOXY METHYL BENZOATE
Abstract	The present invention relates to a new product para propoxy methyl benzoate, and its synthesis, which comprises the process of etherification of methyl paraben in various solvents using n-propyl iodide or n-propyl bromide as etherification agent in the presence of bases like sodium hydroxide or potassium hydroxide and isolating the inorganic halides by filtration and removal of unreacted methyl paraben after the recovery of the solvent by distillation, using 5% sodium bicarbonate solution or 5% sodium carbonate solution.

Title of Invention

PROCESS FOR SYNTHESIS OF PARA PROPOXY METHYL BENZOATE

Abstract

The present invention relates to a new product para propoxy methyl benzoate, and its synthesis, which comprises the process of etherification of methyl paraben in various solvents using n-propyl iodide or n-propyl bromide as etherification agent in the presence of bases like sodium hydroxide or potassium hydroxide and isolating the inorganic halides by filtration and removal of unreacted methyl paraben after the recovery of the solvent by distillation, using 5% sodium bicarbonate solution or 5% sodium carbonate solution.

Full Text	FORM - 2 THE PATENT ACT. 1970 (39 of 1970) PROVISIONAL SPECIFICATION [SECTION 10 ; RULE 13] PARA PROPOXY METHYL BENZOATE AND SYNTHESIS THEREOF. GUJARAT ORGANICS LIMITED, AN INDIAN COMPANY INCORPORATED UNDER THE COMPANIES ACT, 1956 HAVING ITS OFFICE AT PLOT NO 127/1, G.I.D.C. ESTATE, ANKLESHWAR - 393 002, DIST BHARUCH, GUJARAT STATE, INDIA. THE FOLLOWING SPECIFICATIONS PARTICULARLY DESCRIBES THE NATURE OF THIS INVENTION :- The present invention relates to a new product, Viz Para Propoxy Methyl Benzoate or p - n - Propoxy Methyl Benzoate (PPMB), its synthesis and its purification. The present invention discloses the synthesis, characterization of Para Propoxy Methyl Benzoate. The present compound has commercial application as external electron donor in Poly Propylene manufacturing. The present invention discloses the synthesis of Para Propoxy Methyl Benzoate by esterification of p-Hydroxy Benzoic Acid with Methanol in the presence of Sulphonic Acid followed by recovery of excess methanol by distillation. The residual material is purified in water by neutralization using a base Viz Sodium Bicarbonate / Sodium Hydroxide / Potassium Hydroxide / Sodium Carbonate in the dilute solution in water. In the preferred embodiment, the process of esterification is carried out in the presence of an Aryl Sulphonic Acid e.g. Para Toluene sulphonic Acid. The process of esterification can also be carried out in the presence of an Alkyl Sulphonic Acid e.g. Methane Sulphonic Acid. Hydrochloric Acid can also be used as a catalyst in the process of esterification, polymer Sulphonic Acid e.g. Ion Exchange Resins like Indion 850/ Duolite 368 can also be used as a catalyst in the process of esterification. Dry Methyl Paraben obtained from the above process is etherified using halogenated Propyl derivatives (Br and I) in the presence of a base such as NaOH or KOH in a solvent Viz O.D.C.B., Methyl Iso Butyl Ketone, N,N- Dimethyl Formamide and N,N-Diethyl Formamide. The following reaction illustrates the invention Further, according to this invention, the process for manufacturing Para Propoxy Methyl Benzoate comprises of the following steps (a) Etherification of Methyl Paraben in liquid Formamide by reacting it with n - Propyl Halide in the presence of Alkali Hydroxide. (b) Isolation of resulting inorganic Halide by filtration. (c) Recovery of solvent by distillation. (d) Removal of untreated Methyl Paraben. In the above step (a) firstly Methyl Paraben is dissolved in liquid Formamide; secondly alkali Hydroxide is slowly added to the above solution in the first sub step under stirring; thirdly n -Propyl Halide is added to the above solution in the second sub step under stirring. The reaction temperature is maintained between 30°C - 80°C throughout. Further in step (a), liquid Formamide is N, N- Diethyl Formamide or N, N - Dimethyl Formamide or Methyl Iso Butyl Ketone or Ortho Di Chloro Benzene; etherification reagent is n - Propyl Bromide or n - Propyl Iodide; and moisture of said distilled Para Propoxy Methyl Benzoate is in the range of 100 to 300 ppm. In the above step (d) unreacted Methyl Paraben is removed by washing the reaction mass with alkali hydroxide or alkali carbonate solution or alkali bicarbonate solution and the resultant product is purified by distillation. The present invention is illustrated with the following examples. The examples are only illustrative and in no way limit to the scope of invention. EXAMPLE - 1 Charge N, N - Dimethyl Formamide (1.88 Kg.), Methyl Paraben (2.0 Kg.) followed by the addition of Sodium Hydroxide (0.526 Kg.). Stir the contents for 6.0 hours. Then add n - Propyl Bromide (2.6Kg.) to convert Methyl Paraben into Para Propoxy Methyl Benzoate. Maintain the reaction at 30°C - 75°C to complete the reaction. Monitor the progress of the reaction on TLC. After completion of the reaction filter the solid Sodium Bromide and collect the Mother Liquor containing N, N - Dimethyl Formamide and Para Propoxy Methyl Benzoate. Distill out the N, N - Dimethyl Formamide under vacuum at 95°C - 100°C/0.1 -1.0 mm of Hg and recover N, N - Dimethyl Formamide (1.68 Kg.) Add water to the residue separate the upper organic layer. Wash the organic layer with 5% NaOH solution (200ml) or 5% KOH solution or 5% NaHC03 solution or 5% Sodium Carbonate solution (200 ml). Then wash the organic layer with water (200 ml) Distill the organic layer under vacuum at 11 5°C - 125°C / 0.1- 0.5 mm of Hg. Weight of Para Propoxy Methyl Benzoate = 2.00 Kg. Yield = 78.36% (Theory) C.C. Purity =99.21% Para Propoxy Benzoic Acid = Nil Moisture = 300 ppm EXAMPLE - 2 Charge N, N - Dimethyl Formamide (1.9 Kg.) Charge Methyl Paraben (2.0 Kg.) followed by the slow addition of Sodium Hydroxide (0.526Kg.). Stir the contents for 4.0 hours. Then add n - Propyl Iodide (3.0 Kg.) to convert Methyl Paraben to Para Propoxy Methyl Benzoate. Maintain the reaction at 30°C - 75°C to complete the reaction. Monitor the progress of the reaction on TLC. After completion of the reaction filter the solid Sodium Iodide and collect the Mother Liquor containing N, N - Dimethyl Formamide and Para Propoxy Methyl Benzoate. Distill out the N, N - Dimethyl Formamide under vacuum at 95°C -100°C/0.1 - 1.0 mm of Hg and recover N, N - Dimethyl Formamide (1.65 Kg. approx.) Add water to the residue. Separate the upper organic layer. Wash the organic layer with 5% Sodium Hydroxide solution (200 ml). Then wash the organic layer with water (200 ml). Distill the organic layer under vacuum at 11 5°C - 120°C / 0.1 - 1.0 mm of Hg. Weight of Para Propoxy Methyl Benzoate = 2.11 Kg. % Yield = 83% (Theory) G.C. Purity = 99.3% Moisture = 300 ppm Para Propoxy Benzoic Acid = Nil EXAMPLE - 3 Charge N, N - Diethyl Formamide (1.9 Kg.), Methyl Paraben (2.0 Kg.) followed by the slow addition of Sodium Hydroxide (0.526 Kg.). Stir the contents for 6.0 hours. Then add n - Propyl Bromide (2.4Kg.) to convert Methyl Paraben to Para Propoxy Methyl Benzoate. Maintain the reaction at 30°C - 80°C to complete the reaction. Monitor the progress of the reaction on TLC. After completion of the reaction filter the solid Sodium Bromide and collect the Mother Liquor containing N, N -Diethyl Formamide and Para Propoxy Methyl Benzoate. Distill out the N, N - Diethyl Formamide under vacuum at 100°C / 10-15 mm of Hg and recover N, N - Diethyl Formamide (1.68 Kg.). Add water to the residue. Separate the upper organic layer & wash with 5% NaOH solution (200 ml). Then wash the organic layer with water. Distill the organic layer under vacuum at 11 5°C - 1 20°C / 0.1 - 1.0 mm of Hg. Weight of Para Propoxy Methyl Benzoate =2.10 Kg. Yield = 82.28% (Theory) G.C. Purity =99.41% Moisture = 200 ppm Para Propoxy Benzoic Acid = Nil EXAMPLE - 4 Charge N, N - Diethyl Formamide (1.9 Kg.), Methyl Paraben (2.0 Kg.) followed by the addition of Potassium Hydroxide (0.526 Kg.). Stir the contents for 6.0 hours. Then add n - Propyl Bromide (2.4 Kg.) to convert Methyl Paraben to Para Propoxy Methyl Benzoate. Maintain the reaction at 30°C - 80°C to complete the reaction. Monitor the progress of the reaction on TLC. After completion of the reaction filter the solid Potassium Bromide and collect the Mother Liquor containing N, N -Diethyl Formamide and Para Propoxy Methyl Benzoate. Distill out the N, N - Diethyl Formamide under vacuum at 100°C/ 10-15 mm of Hg and recover N, N - Diethyl Formamide (1.70 Kg. approx.) Add water to the residue. Separate the upper organic layer. Then wash the organic layer with 5% NaOH solution (200 ml). Then wash the organic layer with water (250 ml). Distill the organic layer under vacuum at 11 5°C -120°C/ 0.1 - 1.0 mm of Hg. Weight of Para Propoxy Methyl Benzoate = 2.2 Kg. % Yield = 86.2% (Theory) G.C. Purity = 99.3% Moisture = 1 50 ppm Para Propoxy Benzoic Acid = Nil EXAMPLE - 5 Charge Ortho Di Chloro Benzene (1.9 Kg.), Methyl Paraben (2.0 Kg.) followed by the slow addition of Sodium Hydroxide (0.526 Kg.). Stir the contents for 4.0 hours. Then add n - Propyl Bromide (2.4Kg.) to convert Methyl Paraben to Para Propoxy Methyl Benzoate. Maintain the reaction at 30°C - 80°C to complete the reaction. Monitor the progress of the reaction on TLC. After completion of the reaction filter the solid Sodium Bromide and collect the mother Liquor containing Ortho Di Chloro Benzene and Para Propoxy Methyl Benzoate. Distill out the Ortho Di Chloro Benzene under vacuum at 100°C / 1.0 mm of Hg and recover Ortho Di Chloro Benzene (1.75 Kg. approx.) Then add water (200 ml) to the residue. Separate the upper organic layer. Then wash the organic layer with 5% NaOH solution (200 ml) Then wash the organic layer with water (250 ml). Distill the organic layer under vacuum at 11 5°C - 120°C / 1.0 mm of Hg. Weight of Para Propoxy Methyl Benzoate = 2.1 5 Kg. % Yield = 84.24% (Theory) G.C. Purity = 99.4% Moisture = 100 ppm Para Propoxy Benzoic Acid = Nil EXAMPLE - 6 Charge Methyl Iso Butyl Ketone (1.9 Kg.), Methyl Paraben (2.0 Kg.) followed by the slow addition of Sodium Hydroxide (0.526Kg.). Stir the contents for 6.0 hours. Then add n - Propyl Bromide to convert Methyl Paraben to Para Propoxy Methyl Benzoate. Maintain the reaction at 30°C - 80°C to complete the reaction. Monitor the progress of the reaction on TLC. After completion of the reaction filter the solid Sodium Bromide and collect the mother Liquor containing Methyl Iso Butyl Ketone and Para Propoxy Methyl Benzoate. Distill out the Methyl Iso Butyl Ketone under vacuum at 50°C-60°C/0.5-1.0 mm of Hg and recover Methyl Iso Butyl Ketone. (1.70 Kg. approx.) Add water to the residue. Separate the upper organic layer. Then wash the organic layer with 5% NaOH solution (200 ml). Then wash the organic layer with water (200 ml). Distill the organic layer under vacuum at 115°C -120°C / 0.1 - 1.0 mm of Hg. Weight of Para Propoxy Methyl Benzoate = 2.20 Kg. % Yield = 86.2% (Theory) G.C. Purity = 99.3% Moisture = 200 ppm Para Propoxy Benzoic Acid = 0.01% Para Propoxy Propyl Benzoate = 0.02% ADVANTAGES 1. The present invention synthesizes new product Para Propoxy Methyl Benzoate with very low Para Propoxy Benzoic Acid impurity (less than 0.1%) 2. The present invention synthesizes Para Propoxy Methyl Benzoate of 99.3% to 99.4% G.C. Purity. 3. The present invention is an economical method for producing the new product Para Propoxy Methyl Benzoate.

Full Text

FORM - 2
THE PATENT ACT. 1970 (39 of 1970)
PROVISIONAL SPECIFICATION
[SECTION 10 ; RULE 13]
PARA PROPOXY METHYL BENZOATE AND SYNTHESIS THEREOF.
GUJARAT ORGANICS LIMITED, AN INDIAN COMPANY INCORPORATED UNDER THE COMPANIES ACT, 1956 HAVING ITS OFFICE AT PLOT NO 127/1, G.I.D.C. ESTATE, ANKLESHWAR - 393 002, DIST BHARUCH, GUJARAT STATE, INDIA.
THE FOLLOWING SPECIFICATIONS PARTICULARLY DESCRIBES THE NATURE OF THIS INVENTION :-

The present invention relates to a new product, Viz Para Propoxy Methyl Benzoate or p - n - Propoxy Methyl Benzoate (PPMB), its synthesis and its purification.
The present invention discloses the synthesis, characterization of Para Propoxy Methyl Benzoate. The present compound has commercial application as external electron donor in Poly Propylene manufacturing.
The present invention discloses the synthesis of Para Propoxy Methyl Benzoate by esterification of p-Hydroxy Benzoic Acid with Methanol in the presence of Sulphonic Acid followed by recovery of excess methanol by distillation. The residual material is purified in water by neutralization using a base Viz Sodium Bicarbonate / Sodium Hydroxide / Potassium Hydroxide / Sodium Carbonate in the dilute solution in water.
In the preferred embodiment, the process of esterification is carried out in the presence of an Aryl Sulphonic Acid e.g. Para Toluene sulphonic Acid. The process of esterification can also be carried out in the presence of an Alkyl Sulphonic Acid e.g. Methane Sulphonic Acid. Hydrochloric Acid can also be used as a catalyst in the process of esterification, polymer Sulphonic Acid e.g. Ion Exchange Resins like Indion 850/ Duolite 368 can also be used as a catalyst in the process of esterification.
Dry Methyl Paraben obtained from the above process is etherified using halogenated Propyl derivatives (Br and I) in the presence of a base such as NaOH or KOH in a solvent Viz O.D.C.B., Methyl Iso Butyl Ketone, N,N- Dimethyl Formamide and N,N-Diethyl Formamide.
The following reaction illustrates the invention

Further, according to this invention, the process for manufacturing Para Propoxy Methyl Benzoate comprises of the following steps
(a) Etherification of Methyl Paraben in liquid Formamide by reacting it with n - Propyl Halide in the presence of Alkali Hydroxide.
(b) Isolation of resulting inorganic Halide by filtration.
(c) Recovery of solvent by distillation.
(d) Removal of untreated Methyl Paraben.

In the above step (a) firstly Methyl Paraben is dissolved in liquid Formamide; secondly alkali Hydroxide is slowly added to the above solution in the first sub step under stirring; thirdly n -Propyl Halide is added to the above solution in the second sub step under stirring. The reaction temperature is maintained between 30°C - 80°C throughout.
Further in step (a), liquid Formamide is N, N- Diethyl Formamide or N, N - Dimethyl Formamide or Methyl Iso Butyl Ketone or Ortho Di Chloro Benzene; etherification reagent is n - Propyl Bromide or n - Propyl Iodide; and moisture of said distilled Para Propoxy Methyl Benzoate is in the range of 100 to 300 ppm.
In the above step (d) unreacted Methyl Paraben is removed by washing the reaction mass with alkali hydroxide or alkali carbonate solution or alkali bicarbonate solution and the resultant product is purified by distillation.
The present invention is illustrated with the following examples. The examples are only illustrative and in no way limit to the scope of invention.
EXAMPLE - 1
Charge N, N - Dimethyl Formamide (1.88 Kg.), Methyl Paraben (2.0 Kg.) followed by the addition of Sodium Hydroxide (0.526 Kg.). Stir the contents for 6.0 hours. Then add n - Propyl Bromide (2.6Kg.) to convert Methyl Paraben into Para Propoxy Methyl Benzoate. Maintain the reaction at 30°C - 75°C to complete the reaction. Monitor the progress of the reaction on TLC. After completion of the reaction filter the solid Sodium Bromide and collect the Mother Liquor containing N, N - Dimethyl Formamide and Para Propoxy Methyl Benzoate. Distill out the N, N - Dimethyl Formamide under vacuum at 95°C - 100°C/0.1 -1.0 mm of Hg and recover N, N - Dimethyl Formamide (1.68 Kg.) Add water to the residue separate the upper organic layer. Wash the organic layer with 5% NaOH solution (200ml) or 5% KOH solution or 5% NaHC03 solution or 5% Sodium Carbonate solution (200 ml). Then

wash the organic layer with water (200 ml) Distill the organic layer under vacuum at 11 5°C - 125°C / 0.1- 0.5 mm of Hg.
Weight of Para Propoxy Methyl Benzoate = 2.00 Kg.
Yield = 78.36% (Theory)
C.C. Purity =99.21%
Para Propoxy Benzoic Acid = Nil
Moisture = 300 ppm
EXAMPLE - 2
Charge N, N - Dimethyl Formamide (1.9 Kg.) Charge Methyl Paraben (2.0 Kg.) followed by the slow addition of Sodium Hydroxide (0.526Kg.). Stir the contents for 4.0 hours. Then add n - Propyl Iodide (3.0 Kg.) to convert Methyl Paraben to Para Propoxy Methyl Benzoate. Maintain the reaction at 30°C - 75°C to complete the reaction. Monitor the progress of the reaction on TLC. After completion of the reaction filter the solid Sodium Iodide and collect the Mother Liquor containing N, N - Dimethyl Formamide and Para Propoxy Methyl Benzoate. Distill out the N, N - Dimethyl Formamide under vacuum at 95°C -100°C/0.1 - 1.0 mm of Hg and recover N, N - Dimethyl Formamide (1.65 Kg. approx.) Add water to the residue. Separate the upper organic layer. Wash the organic layer with 5% Sodium Hydroxide solution (200 ml). Then wash the organic layer with water (200 ml). Distill the organic layer under vacuum at 11 5°C - 120°C / 0.1 - 1.0 mm of Hg.
Weight of Para Propoxy Methyl Benzoate = 2.11 Kg.
% Yield = 83% (Theory)
G.C. Purity = 99.3%
Moisture = 300 ppm
Para Propoxy Benzoic Acid = Nil
EXAMPLE - 3
Charge N, N - Diethyl Formamide (1.9 Kg.), Methyl Paraben (2.0 Kg.) followed by the slow addition of Sodium Hydroxide (0.526 Kg.). Stir the contents for 6.0 hours. Then add n - Propyl Bromide (2.4Kg.) to convert Methyl Paraben to Para Propoxy Methyl Benzoate. Maintain the reaction at 30°C - 80°C to complete the reaction. Monitor the progress

of the reaction on TLC. After completion of the reaction filter the solid Sodium Bromide and collect the Mother Liquor containing N, N -Diethyl Formamide and Para Propoxy Methyl Benzoate. Distill out the N, N - Diethyl Formamide under vacuum at 100°C / 10-15 mm of Hg and recover N, N - Diethyl Formamide (1.68 Kg.). Add water to the residue. Separate the upper organic layer & wash with 5% NaOH solution (200 ml). Then wash the organic layer with water. Distill the organic layer under vacuum at 11 5°C - 1 20°C / 0.1 - 1.0 mm of Hg.
Weight of Para Propoxy Methyl Benzoate =2.10 Kg.
Yield = 82.28% (Theory)
G.C. Purity =99.41%
Moisture = 200 ppm
Para Propoxy Benzoic Acid = Nil
EXAMPLE - 4
Charge N, N - Diethyl Formamide (1.9 Kg.), Methyl Paraben (2.0 Kg.) followed by the addition of Potassium Hydroxide (0.526 Kg.). Stir the contents for 6.0 hours. Then add n - Propyl Bromide (2.4 Kg.) to convert Methyl Paraben to Para Propoxy Methyl Benzoate. Maintain the reaction at 30°C - 80°C to complete the reaction. Monitor the progress of the reaction on TLC. After completion of the reaction filter the solid Potassium Bromide and collect the Mother Liquor containing N, N -Diethyl Formamide and Para Propoxy Methyl Benzoate. Distill out the N, N - Diethyl Formamide under vacuum at 100°C/ 10-15 mm of Hg and recover N, N - Diethyl Formamide (1.70 Kg. approx.) Add water to the residue. Separate the upper organic layer. Then wash the organic layer with 5% NaOH solution (200 ml). Then wash the organic layer with water (250 ml). Distill the organic layer under vacuum at 11 5°C -120°C/ 0.1 - 1.0 mm of Hg.
Weight of Para Propoxy Methyl Benzoate = 2.2 Kg.
% Yield = 86.2% (Theory)
G.C. Purity = 99.3%
Moisture = 1 50 ppm
Para Propoxy Benzoic Acid = Nil
EXAMPLE - 5

Charge Ortho Di Chloro Benzene (1.9 Kg.), Methyl Paraben (2.0 Kg.) followed by the slow addition of Sodium Hydroxide (0.526 Kg.). Stir the contents for 4.0 hours. Then add n - Propyl Bromide (2.4Kg.) to convert Methyl Paraben to Para Propoxy Methyl Benzoate. Maintain the reaction at 30°C - 80°C to complete the reaction. Monitor the progress of the reaction on TLC. After completion of the reaction filter the solid Sodium Bromide and collect the mother Liquor containing Ortho Di Chloro Benzene and Para Propoxy Methyl Benzoate. Distill out the Ortho Di Chloro Benzene under vacuum at 100°C / 1.0 mm of Hg and recover Ortho Di Chloro Benzene (1.75 Kg. approx.) Then add water (200 ml) to the residue. Separate the upper organic layer. Then wash the organic layer with 5% NaOH solution (200 ml) Then wash the organic layer with water (250 ml). Distill the organic layer under vacuum at 11 5°C - 120°C / 1.0 mm of Hg.
Weight of Para Propoxy Methyl Benzoate = 2.1 5 Kg.
% Yield = 84.24% (Theory)
G.C. Purity = 99.4%
Moisture = 100 ppm
Para Propoxy Benzoic Acid = Nil
EXAMPLE - 6
Charge Methyl Iso Butyl Ketone (1.9 Kg.), Methyl Paraben (2.0 Kg.) followed by the slow addition of Sodium Hydroxide (0.526Kg.). Stir the contents for 6.0 hours. Then add n - Propyl Bromide to convert Methyl Paraben to Para Propoxy Methyl Benzoate. Maintain the reaction at 30°C - 80°C to complete the reaction. Monitor the progress of the reaction on TLC. After completion of the reaction filter the solid Sodium Bromide and collect the mother Liquor containing Methyl Iso Butyl Ketone and Para Propoxy Methyl Benzoate. Distill out the Methyl Iso Butyl Ketone under vacuum at 50°C-60°C/0.5-1.0 mm of Hg and recover Methyl Iso Butyl Ketone. (1.70 Kg. approx.) Add water to the residue. Separate the upper organic layer. Then wash the organic layer with 5% NaOH solution (200 ml). Then wash the organic layer with water (200 ml). Distill the organic layer under vacuum at 115°C -120°C / 0.1 - 1.0 mm of Hg.

Weight of Para Propoxy Methyl Benzoate = 2.20 Kg.
% Yield = 86.2% (Theory)
G.C. Purity = 99.3%
Moisture = 200 ppm
Para Propoxy Benzoic Acid = 0.01%
Para Propoxy Propyl Benzoate = 0.02%
ADVANTAGES
1. The present invention synthesizes new product Para Propoxy Methyl Benzoate with very low Para Propoxy Benzoic Acid impurity (less than 0.1%)
2. The present invention synthesizes Para Propoxy Methyl Benzoate of 99.3% to 99.4% G.C. Purity.
3. The present invention is an economical method for producing the new product Para Propoxy Methyl Benzoate.

Documents:

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2103-MUM-2007-ABSTRACT(2-7-2012).pdf

2103-mum-2007-claims(13-10-2008).pdf

2103-MUM-2007-CLAIMS(AMENDED)-(2-7-2012).pdf

2103-MUM-2007-CLAIMS(AMENDED)-(24-1-2014).pdf

2103-mum-2007-correspondence(13-10-2008).pdf

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2103-MUM-2007-CORRESPONDENCE(8-6-2009).pdf

2103-mum-2007-correspondence-received.pdf

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Patent Number

259150

Indian Patent Application Number

2103/MUM/2007

PG Journal Number

10/2014

Publication Date

07-Mar-2014

Grant Date

27-Feb-2014

Date of Filing

24-Oct-2007

Name of Patentee

GUJARAT ORGANICS LTD

Applicant Address

PLOT NO. 127/1, GIDC ESTATE, ANKLESHWAR 393002, DIST BHARUCH

Inventors:

#	Inventor's Name	Inventor's Address
1	ARVIND SHAH	PLOT NO. 127/1, GIDC ESTATE, ANKLESHWAR 393002, DIST BHARUCH
2	PATHAK RAJESH KUMAR	PLOT NO. 127/1, GIDC ESTATE, ANKLESHWAR 393002, DIST BHARUCH

PCT International Classification Number

C07C67/00

PCT International Application Number

N/A

PCT International Filing date

PCT Conventions:

#	PCT Application Number	Date of Convention	Priority Country
1			NA