| Record no |
2013011645011 |
| Activity status |
Dead or Administration by others |
| Working Title |
PROCESS FOR THE PREPARATION OF L-LACTIDE OF HIGH CHEMICAL YIELD OPTICAL PURITY |
| Working Inventors |
BHASKAR BHAIRAVNATH IDAGE;SIVARAM SWAMINATHAN; |
| Contributing institutions |
NCL |
| Administered by |
|
| Ownership |
|
| Categories > Subjects |
Polymer sciences and engineering |
| Categories > Portfolio |
Polymerization/Polymer catalysis |
| Disclosure number |
2008-INV-0027 |
| NCL No |
2009-NCL-0005 |
| CSIR No |
2009-NF-0072
|
| Priority date |
02-26-2010 |
| Country |
EP |
| Application number |
11716664.5 |
| Provisional filing date |
|
| Complete filing date |
08-23-2012 |
| Publication status |
Yes |
| Publication date |
01-02-2013 |
| Publication no |
EP2539332 A1 |
| Granted number |
2539332 B1 |
| Granted date |
08-27-2014 |
| Final title |
PROCESS FOR THE PREPARATION OF L-LACTIDE OF HIGH CHEMICAL YIELD OPTICAL PURITY |
| Final Inventors |
BHASKAR BHAIRAVNATH IDAGE;SIVARAM SWAMINATHAN;IDAGE SUSHEELA BHASKAR; |
| Abstract |
A process for the synthesis of 100 optically pure L lactide catalyzed by zinc and tin metal catalysts of less than 150 micron particle size is disclosed. The L Lactide obtained was further purified to obtain lactide of 100 optical purity and acid impurities less than 10 meqkg. |
| Case status |
Granted + Allowed to lapse |
| Licensing status |
|
| Licensing case no |
|
| Client name |
|
| Lead inventors |
SIVARAM SWAMINATHAN |
| Categories > Industry > Primary |
Organic Chemicals, Fine Chemicals, Intermediates, Feedstocks |
| Categories > Industry > other |
|