Title of Invention | PREPARATION OF COLOURLESS DIBENZYLAMINE |
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Abstract | PREPARATION OF COLOURLESS DIBENZYLAMINE The invention relates to a process for preparing colourless dibenzylamine by adding ammonium chlorides or amines to the industrially obtained dibenzylamine and subsequent distillation. |
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639-mum-2003-abstract(18-6-2003).pdf
639-mum-2003-abstract(amended)-(10-2-2009).pdf
639-mum-2003-abstract(granted)-(17-6-2009).pdf
639-mum-2003-annexure(5-2-2008).pdf
639-mum-2003-cancelled pages(10-2-2009).pdf
639-mum-2003-claims(18-6-2003).pdf
639-mum-2003-claims(granted)-(17-6-2009).pdf
639-mum-2003-correspondence(21-4-2009).pdf
639-MUM-2003-CORRESPONDENCE(24-2-2009).pdf
639-mum-2003-correspondence(ipo)-(1-7-2009).pdf
639-mum-2003-deed of assignment(5-2-2008).pdf
639-mum-2003-description(complete)-(18-6-2003).pdf
639-mum-2003-description(granted)-(17-6-2009).pdf
639-mum-2003-form 1(10-2-2009).pdf
639-mum-2003-form 1(18-6-2003).pdf
639-mum-2003-form 1(5-2-2008).pdf
639-MUM-2003-FORM 13(10-2-2009).pdf
639-MUM-2003-FORM 13(8-5-2009).pdf
639-mum-2003-form 18(6-3-2007).pdf
639-mum-2003-form 2(complete)-(18-6-2003).pdf
639-mum-2003-form 2(granted)-(17-6-2009).pdf
639-mum-2003-form 2(title page)-(18-6-2003).pdf
639-MUM-2003-FORM 2(TITLE PAGE)-(AMENDED)-(5-2-2008).pdf
639-mum-2003-form 2(title page)-(granted)-(17-6-2009).pdf
639-mum-2003-form 3(10-2-2009).pdf
639-mum-2003-form 3(10-7-2003).pdf
639-mum-2003-form 3(18-6-2003).pdf
639-mum-2003-form 5(18-6-2003).pdf
639-mum-2003-form 6(5-2-2008).pdf
639-mum-2003-petition under rule 137(10-2-2009).pdf
639-mum-2003-power of authority(10-2-2009).pdf
639-mum-2003-power of authority(18-6-2003).pdf
639-mum-2003-power of authority(5-2-2008).pdf
639-mum-2003-specification(amended)-(10-2-2009).pdf
Patent Number | 234841 | ||||||||
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Indian Patent Application Number | 639/MUM/2003 | ||||||||
PG Journal Number | 28/2009 | ||||||||
Publication Date | 10-Jul-2009 | ||||||||
Grant Date | 17-Jun-2009 | ||||||||
Date of Filing | 18-Jun-2003 | ||||||||
Name of Patentee | LANXESS DEUTSCHLAND GMBH | ||||||||
Applicant Address | D-51368 LEVERKUSEN | ||||||||
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PCT International Classification Number | C | ||||||||
PCT International Application Number | N/A | ||||||||
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