Title of Invention

A PROCESS FOR THE PREPARATION OF QUINOXALIN-(1H)-2-ONE

Abstract A process for preparing Quinoxalin-(lH)-2-One comprising reacting 0-phenylene diamine dissolved in an aliphatic alcohol with glyoxylic acid methyl ester hemi acetal at a temperature of 30-50*c wherein the solvent used is distilled off after the reaction la completed.
Full Text

Documents:

95-BOM-1991-CANCELLED PAGES.pdf

95-BOM-1991-CORRESPONDENCE(IPO).pdf

95-BOM-1991-CORRESPONDENCE(RECEIVED).pdf

95-BOM-1991-FORM 2(GRANTED).pdf

95-BOM-1991-FORMS.pdf

95-BOM-1991-SPECIFICATION(AMENDED).pdf


Patent Number 172036
Indian Patent Application Number 95/BOM/1991
PG Journal Number 44/2012
Publication Date 02-Nov-2012
Grant Date 06-May-1994
Date of Filing 05-Apr-1991
Name of Patentee SUDARSHAN CHEMICAL INDUSTRIES LIMITED
Applicant Address 162, WELLESLEY ROAD, PUNE
Inventors:
# Inventor's Name Inventor's Address
1 NAGRAJ SHYAMSHUNDAR SUDARSHAN CHEMICAL INDUSTRIES LIMITED, 162, WELLESLEY ROAD, PUNE 411001
2 NIWAS UPASANI SUDARSHAN CHEMICAL INDUSTRIES LIMITED, 162, WELLESLEY ROAD, PUNE 411001
PCT International Classification Number C07D241/40
PCT International Application Number N/A
PCT International Filing date
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 NA