Title of Invention

PREPARATION OF COLOURLESS DIBENZYLAMINE

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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Documents:

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
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
Inventors:
# Inventor's Name Inventor's Address
1 LUTZ HEUER AM KRAUSBERG 31, 41542 DORMAGEN,
PCT International Classification Number C
PCT International Application Number N/A
PCT International Filing date
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 10228594.2 2002-06-26 Germany