Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10266478 | Process for the preparation of hydroxyl functional esters and polyesters therefrom | Yogesh Ramesh Nevare, Susheela Bhaskar Idage, Swaminathan Sivaram | 2019-04-23 |
| 8895760 | Process for the preparation of L-lactide of high chemical yield and optical purity | Susheela Bhaskar Idage, Sivaram Swaminathan | 2014-11-25 |
| 8633294 | Lactic acid-isosorbide copolyesters and process for the preparation thereof | Susheela Bhaskar Idage, Sivaram Swaminathan | 2014-01-21 |
| 6333394 | Copolycarbonate preparation by solid state polymerization | Christian Bailly, Swaminathan Sivaram, Nayaku Nivarati Chavan, Rein Mollerus Faber, Shamal Menon +6 more | 2001-12-25 |
| 6187895 | Method for preparing polymers by solid state polymerization | Godavarthi S. Varadarajan, James Day | 2001-02-13 |
| 6143859 | Copolycarbonate preparation by solid state polymerization | Gautam Chatterjee, Godavarthi Satyanarayana Varadarajan, James Day, Patrick Joseph McCloskey, Joseph A. King, Jr. +1 more | 2000-11-07 |
| 6140461 | Method for preparing solid state polycarbonates in a unitary series of operations | James Day | 2000-10-31 |
| 6034142 | Method for recycling aromatic polycarbonates | Godavarthi Satyanarayana Varadarajan, Joseph A. King, Jr., Swaminathan Sivaram, Vishnu Ramchandra Ranade | 2000-03-07 |
| 6031063 | Method for enhancing crystallinity of polycarbonates | James Day, Andrew J. Caruso | 2000-02-29 |
| 5905135 | Method of preparing polycarbonates by solid state polymerization | Swaminathan Sivaram, Godavarthi Satyanaryana Varadarajan, Joseph A. King, Jr. | 1999-05-18 |
| 5717056 | Method for preparing polycarbonate by solid state polymerization | Godavarthi Satyanarayana Varadarajan, Swaminathan Sivaram, Joseph A. King, Jr. | 1998-02-10 |
| 5714567 | Process for the preparation of aromatic polyesters | Sudhakar Sadashiv Mahajan, Swaminathan Sivaram | 1998-02-03 |
| 5340908 | Process for the preparation of aromatic polyesters | Nayaku Nivarati Chavan, Sudhakar Sadashiv Mahajan, Swaminathan Sivaram | 1994-08-23 |