| Record no |
2011052077314 |
| Activity status |
Dead or Administration by others |
| Working Title |
METHOD FOR PREPARING POLYCARBONATES BY OXIDATIVE CARBONYLATION |
| Working Inventors |
RAGHUNATH VITTHAL CHAUDHARI;ASHUTOSH ANANT KELKAR;SUNIL PURUSHOTTAM GUPTE;BHALCHANDRA MAHADEO BHANAGE;MOHAMMED SHADBAR QURESHI;BAHRAM MOASSER;ERIC JAMES PRESSMAN;SWAMINATHAN SIVARAM;CHILUKURI VER AVADHANI;SUBBAREDDIAR KANAGASABAPATHY; |
| Contributing institutions |
NCL |
| Administered by |
|
| Ownership |
|
| Categories > Subjects |
Catalysis |
| Categories > Portfolio |
Petrochemicals/industrial chemicals |
| Disclosure number |
|
| NCL No |
1999-NCL-0064 |
| CSIR No |
|
| Priority date |
|
| Country |
US |
| Application number |
09/378116 |
| Provisional filing date |
|
| Complete filing date |
08-20-1999 |
| Publication status |
Yes |
| Publication date |
04-24-2001 |
| Publication no |
US6222002 B1 |
| Granted number |
6222002 |
| Granted date |
04-24-2001 |
| Final title |
METHOD FOR PREPARING POLYCARBONATES BY OXIDATIVE CARBONYLATION |
| Final Inventors |
RAGHUNATH VITTHAL CHAUDHARI;ASHUTOSH ANANT KELKAR;SUNIL PURUSHOTTAM GUPTE;BHALCHANDRA MAHADEO BHANAGE;MOHAMMED SHADBAR QURESHI;BAHRAM MOASSER;ERIC JAMES PRESSMAN;SWAMINATHAN SIVARAM;CHILUKURI VER AVADHANI;SUBBAREDDIAR KANAGASABAPATHY; |
| Abstract |
Polycarbonate oligomers are prepared by oxidative carbonylation of a dihydroxyaromatic compound such as bisphenol A in the presence of a catalyst comprising a Group VIII metal such as palladium an inorganic and or an organic co catalyst a halide source |
| Case status |
Granted + Allowed to lapse |
| Licensing status |
Assignment(Project agreement) |
| Licensing case no |
1997-LIC-90 |
| Client name |
GENERAL ELECTRIC CORPORATE RESEAR |
| Lead inventors |
RAGHUNATH VITHAL CHAUDHARI |
| Categories > Industry > Primary |
Polymers and Engineering Plastics |
| Categories > Industry > other |
|