Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7470748 | Polymeric fibers and fabrics | Chia Yung Cheng | 2008-12-30 |
| 6444774 | Propylene polymers for fibers and fabrics | Galen C. Richeson | 2002-09-03 |
| 6030928 | Polymers useful in the recovery and processing of natural resources | Ahmad Moradi-Araghi, I. John Westerman, Henry L. Hsieh | 2000-02-29 |
| 5382371 | Polymers useful in the recovery and processing of natural resources | Ahmad Moradi-Araghi, I. John Westerman, Henry L. Hsieh, James H. Hedges, Geir Bjornson | 1995-01-17 |
| 5326854 | Flocculation process using lactam or vinyl sulfonate polymer | Henry L. Hsieh, Ahmad Moradi-Araghi | 1994-07-05 |
| 5100931 | Gelation of acrylamide-containing polymers with hydroxyphenylalkanols | Ahmad Moradi-Araghi | 1992-03-31 |
| 5098836 | Deoxygenation in field preparation of polymers in aqueous solution | Thomas R. Hopkins | 1992-03-24 |
| 5080809 | Polymers useful in the recovery and processing of natural resources | I. John Westerman, Henry L. Hsieh, Ahmad Moradi-Araghi, James H. Hedges, Geir Bjornson | 1992-01-14 |
| 5043364 | Gelation of acrylamide-containing polymers with furfuryl alcohol and water dispersible aldehydes | Ahmad Moradi-Araghi | 1991-08-27 |
| 4951921 | Polymers useful in the recovery and processing of natural resources | I. John Westerman, Henry L. Hsieh, Ahmad Moradi-Araghi | 1990-08-28 |
| 4690219 | Acidizing using n-vinyl lactum/unsaturated amide copolymers | Lyle D. Burns | 1987-09-01 |
| 4644020 | Production of high molecular weight vinyl lactam polymers and copolymers | — | 1987-02-17 |
| 4604216 | Drilling fluids | Howard B. Irvin, Earl Clark, Jr. | 1986-08-05 |
| 4578201 | N-vinyl lactam/unsaturated amide copolymers in thickened acid compositions | Lyle D. Burns | 1986-03-25 |
| 4511677 | Ion exchange-active compositions consisting of water-soluble polyelectrolyte upon ion exchange functional substrate | Robert L. Horton | 1985-04-16 |