| Record no |
201102223402 |
| Activity status |
Dead or Administration by others |
| Working Title |
PROCESS FOR PREPARING DILTIAZEM |
| Working Inventors |
LOHRAY BB;BALAKRISHNAN EJ;LOHRAY VB;RAVINDRANATHAN T; |
| Contributing institutions |
NCL |
| Administered by |
|
| Ownership |
|
| Categories > Subjects |
Organic chemistry |
| Categories > Portfolio |
Fine chemical/pharma intermediate drugs/bioactives |
| Disclosure number |
|
| NCL No |
1993-NCL-0033 |
| CSIR No |
1993-NF-0199
|
| Priority date |
05-02-1994 |
| Country |
US |
| Application number |
08/882387 |
| Provisional filing date |
|
| Complete filing date |
07-07-1997 |
| Publication status |
Yes |
| Publication date |
|
| Publication no |
|
| Granted number |
5869697 |
| Granted date |
02-09-1999 |
| Final title |
PROCESS FOR PREPARING DILTIAZEM |
| Final Inventors |
LOHRAY BB;BALAKRISHNAN EJ;LOHRAY VB;RAVINDRANATHAN T; |
| Abstract |
A compound ol formula IV
IV
O —X
CO2R
wherein R1 is hydrogen an alkyl alkoxy alkylamino alkylthio aryl aryloxy or halogen residue R is an alkyl or aryl residue and X is S or C which is a valuable intermediate for producing Diltiazem.
|
| Case status |
Granted + Allowed to lapse |
| Licensing status |
|
| Licensing case no |
|
| Client name |
|
| Lead inventors |
THOTTAPILLI RAVINDRANATHAN |
| Categories > Industry > Primary |
Organic Chemicals, Fine Chemicals, Intermediates, Feedstocks |
| Categories > Industry > other |
|