| Record no |
201102239561 |
| Activity status |
Dead or Administration by others |
| Working Title |
PROCESS FOR THE PREPARATION OF AROMATIC POLYESTERS |
| Working Inventors |
ULHAS K. KHARUL;SUDHIR S. KULKARNI; |
| Contributing institutions |
NCL |
| Administered by |
|
| Ownership |
|
| Categories > Subjects |
Polymer sciences and engineering |
| Categories > Portfolio |
Membranes/separations |
| Disclosure number |
|
| NCL No |
1997-NCL-0115 |
| CSIR No |
1997-NF-0267
|
| Priority date |
01-16-1998 |
| Country |
US |
| Application number |
09/312975 |
| Provisional filing date |
|
| Complete filing date |
05-17-1999 |
| Publication status |
Yes |
| Publication date |
|
| Publication no |
|
| Granted number |
6420511 |
| Granted date |
07-16-2002 |
| Final title |
PROCESS FOR THE PREPARATION OF AROMATIC POLYESTERS |
| Final Inventors |
ULHAS K. KHARUL;SUDHIR S. KULKARNI; |
| Abstract |
A process for the preparation of aromatic polyesters comprising
a polymerizing i an aromatic dicarboxylic acid substituted with a polar group and ii an alkali metal salt of a tetra substituted aromatic diol in a reaction mixture in the presence of |
| Case status |
Granted + Allowed to lapse |
| Licensing status |
|
| Licensing case no |
|
| Client name |
|
| Lead inventors |
ULHAS KANHAIYALAL KHARUL |
| Categories > Industry > Primary |
Membranes |
| Categories > Industry > other |
|