| 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 |
|