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A Process For The Preparation Of Quinoxalin (1 H) 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.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
05 April 1991
Publication Number
22/1991
Publication Type
INA
Invention Field
CHEMICAL
Status
Email
Parent Application
Patent Number
Legal Status
Grant Date
1994-05-06
Renewal Date
Applicants
SUDARSHAN CHEMICAL INDUSTRIES LIMITED
162, WELLESLEY ROAD,
PUNE
Inventors
1. NAGRAJ SHYAMSHUNDAR
SUDARSHAN CHEMICAL INDUSTRIES LIMITED,
162, WELLESLEY ROAD,
PUNE 411001
2. NIWAS UPASANI
SUDARSHAN CHEMICAL INDUSTRIES LIMITED,
162, WELLESLEY ROAD,
PUNE 411001
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 95-BOM-1991-SPECIFICATION(AMENDED).pdf | 2018-08-08 |
| 2 | 95-BOM-1991-FORMS.pdf | 2018-08-08 |
| 3 | 95-BOM-1991-FORM 2(GRANTED).pdf | 2018-08-08 |
| 4 | 95-BOM-1991-CORRESPONDENCE(RECEIVED).pdf | 2018-08-08 |
| 5 | 95-BOM-1991-CORRESPONDENCE(IPO).pdf | 2018-08-08 |
| 6 | 95-BOM-1991-CANCELLED PAGES.pdf | 2018-08-08 |