Record no |
2011032411012 |
Activity status |
Dead or Administration by others |
Working Title |
A PROCESS FOR THE PRODUCTION OF BISPHENOL-A |
Working Inventors |
SHEEMOL V N;GOPINATHAN S;UNNY I R;GOPINATHAN C;DESHPANDE S S;DEGAONKAR M P; |
Contributing institutions |
NCL |
Administered by |
|
Ownership |
|
Categories > Subjects |
Catalysis |
Categories > Portfolio |
Petrochemicals/industrial chemicals |
Disclosure number |
2000-INV-0058 |
NCL No |
2000-NCL-0058 |
CSIR No |
2000-NF-0347
|
Priority date |
02-28-2002 |
Country |
IN |
Application number |
0167/DEL/2002 |
Provisional filing date |
|
Complete filing date |
02-28-2002 |
Publication status |
Yes |
Publication date |
|
Publication no |
|
Granted number |
221522 |
Granted date |
06-25-2008 |
Final title |
A PROCESS FOR THE PRODUCTION OF BISPHENOL-A |
Final Inventors |
SHEEMOL V N;GOPINATHAN S;UNNY I R;GOPINATHAN C;DESHPANDE S S;DEGAONKAR M P; |
Abstract |
An improved process for the preparation of p p bisphenol A by reacting phenol with acetone in a ratio of phenol to acetone in the range of 2 1 to 20 1 w w in the presence of a heteropoly acid as a catalyst in the concentration ranging between 0.1 |
Case status |
Granted + Allowed to lapse |
Licensing status |
|
Licensing case no |
|
Client name |
|
Lead inventors |
DESHPANDE S S |
Categories > Industry > Primary |
Organic Chemicals, Fine Chemicals, Intermediates, Feedstocks |
Categories > Industry > other |
|