Record no |
2011032631346 |
Activity status |
Dead or Administration by others |
Working Title |
AN IMPROVED PROCESS FOR THE PREPARATION OF POLY(ARYL CARBONATES |
Working Inventors |
SWAMINATHAN SIVARAM ; ABBAS ALLI GHUDUBHAI SHAIKH ; |
Contributing institutions |
NCL |
Administered by |
|
Ownership |
|
Categories > Subjects |
Polymer sciences and engineering |
Categories > Portfolio |
Polymerization/Polymer catalysis |
Disclosure number |
|
NCL No |
1995-NCL-0020 |
CSIR No |
1995-NF-0172
|
Priority date |
07-11-1996 |
Country |
IN |
Application number |
1525/DEL/1996 |
Provisional filing date |
|
Complete filing date |
07-11-1996 |
Publication status |
Yes |
Publication date |
|
Publication no |
|
Granted number |
197031 |
Granted date |
10-30-2007 |
Final title |
AN IMPROVED PROCESS FOR THE PREPARATION OF POLY(ARYL CARBONATES |
Final Inventors |
SWAMINATHAN SIVARAM ;ABBAS ALLI GHUDUBHAI SHAIKH ; |
Abstract |
A process for the preparation of poly arylcarbon ate by heating at a temperature in the range of 110o to 240 C a mixture of bisphenol and an organotin catalyst and a dialkyl carbonate distilling slowly alcohol produced as a azeotrope with the dialkyl |
Case status |
Granted + Allowed to lapse |
Licensing status |
Assignment(Project agreement) |
Licensing case no |
2000-LIC-91 |
Client name |
GENERAL ELECTRIC CORPORATE RESEAR |
Lead inventors |
SIVARAM SWAMINATHAN |
Categories > Industry > Primary |
Polymers and Engineering Plastics |
Categories > Industry > other |
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