Issued Patents All Time
Showing 26–50 of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5883210 | Compositions and processes for treating subterranean formations | Ahmad Moradi-Araghi, Aly-Anis Hamouda, Odd Ivar Eriksen | 1999-03-16 |
| 5855244 | Compositions and processes for treating subterranean formations | Ahmad Moradi-Araghi, Aly-Anis Hamouda, Odd Ivar Eriksen | 1999-01-05 |
| 5829527 | Compositions and applications thereof of water-soluble copolymers comprising an ampholytic imidazolium inner salt | Henry L. Hsieh, Ahmad Moradi-Araghi | 1998-11-03 |
| 5789350 | Compositions and processes for treating hydrocarbon-bearing formations | Ahmad Moradi-Araghi, Karen H. Carney | 1998-08-04 |
| 5789351 | Compositions useful for treating oil-bearing formation | Ahmad Moradi-Araghi | 1998-08-04 |
| 5763610 | Composition and processes for treating subterranean formations | Ahmad Moradi-Araghi, Odd Ivar Eriksen | 1998-06-09 |
| 5708107 | Compositions and processes for treating subterranean formations | Ahmad Moradi-Araghi, Aly-Anis Hamouda, Odd Ivar Eriksen | 1998-01-13 |
| 5650633 | Compositions and processes for treating subterranean formations | Ahmad Moradi-Araghi, Odd Ivar Eriksen | 1997-07-22 |
| 5642783 | Process for treating oil-bearing formation | Ahmad Moradi-Araghi | 1997-07-01 |
| 5547025 | Process for treating oil-bearing formation | Ahmad Moradi-Araghi | 1996-08-20 |
| 5523367 | Superabsorbent polymers from ampholytic monomers | — | 1996-06-04 |
| 5484865 | Copolymers of ampholytic ion pairs containing vinylic tertiary amine | Henry L. Hsieh | 1996-01-16 |
| 5439983 | Grafted copolymers highly absorbent to aqueous electrolyte solutions | Henry L. Hsieh | 1995-08-08 |
| 5412052 | Grafted copolymers highly absorbent to aqueous electrolyte solutions | Henry L. Hsieh | 1995-05-02 |
| 5376729 | Grafted copolymers highly absorbent to aqueous electrolyte solutions | Henry L. Hsieh | 1994-12-27 |
| 5357000 | Grafted copolymers highly absorbent to aqueous electrolyte solutions | Henry L. Hsieh | 1994-10-18 |
| 5334685 | Grafted copolymers highly absorbent to aqueous electrolyte solutions | Henry L. Hsieh | 1994-08-02 |
| 5331021 | Grafted copolymers highly absorbent to aqueous electrolyte solutions used in diapers and paper towels | Henry L. Hsieh | 1994-07-19 |
| 5304696 | Process for olefin isomerization | Gyanesh P. Khare | 1994-04-19 |
| 5294691 | Copolymers of amphytic ion pairs containing vinylic tertiary amine and process therewith | — | 1994-03-15 |
| 5290871 | Grafted copolymers highly absorbent to aqueous electrolyte solutions | Henry L. Hsieh | 1994-03-01 |
| 5290870 | Grafted copolymers highly absorbent to aqueous electrolyte solutions | Henry L. Hsieh | 1994-03-01 |
| 5286827 | Superabsorbent crosslinked copolymers formed from an ampholytic ion pair (2-methacryloyloxyethyldimethylammonium cation (MEDMA)/sulfonate anion) copolymerized with other comonomers | — | 1994-02-15 |
| 5281673 | Superabsorbent polymers | Henry L. Hsieh | 1994-01-25 |
| 5270382 | Compositions and applications thereof of water-soluble copolymers comprising an ampholytic imidazolium inner salt | Henry L. Hsieh, Ahmad Moradi-Araghi, Bharat B. Patel | 1993-12-14 |