Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8926220 | Process for thickening a drilling mud waste materials and a modified drilling mud waste material | Craig D. Iman, James T. George, James S. Herceg, Todd W. Groff | 2015-01-06 |
| 6719881 | Acid colloid in a microparticle system used in papermaking | Charles R. Hunter | 2004-04-13 |
| 5609862 | Ampholyte teropolymers providing superior conditioning properties in shampoos and other hair care products | Shih-Ruey T. Chen | 1997-03-11 |
| 5338541 | Dual cationic terpolymers providing superior conditioning properties in hair, skin and nail care products | Gary F. Matz | 1994-08-16 |
| 5296218 | Ampholyte terpolymers providing superior conditioning properties in shampoos and other hair care products | Shih-Ruey T. Chen | 1994-03-22 |
| 5275809 | Ampholyte terpolymers providing superior conditioning properties in shampoos and other hair care products | Shih-Ruey T. Chen | 1994-01-04 |
| 5015390 | Method for controlling scale deposition in aqueous systems using quaternary ammonium/maleic anhydride-type polymers | Shih-Ruey T. Chen | 1991-05-14 |
| 5000856 | Method for controlling scale deposition in aqueous systems using allyl sulfonate/maleic anhydride polymers | Shih-Ruey T. Chen | 1991-03-19 |