Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9266969 | Wellbore servicing fluid comprising a cellulose ether | Emmett M. Partain, III | 2016-02-23 |
| 8506939 | Personal care composition | Xiaodong Zhang, Tatiana V. Drovetskaya | 2013-08-13 |
| 8138134 | Quaternized cellulose ethers for personal care products | Xiaodong Zhang, Edward F. Diantonio, Wing K. Li, Tatiana V. Drovetskaya | 2012-03-20 |
| 7868164 | Cellulose ethers | Shuiqin Zhou | 2011-01-11 |
| 6727357 | Liquid thickener for surfactant systems | Stuart Barry Polovsky, Carmella A. Barbeito, Wing K. Li, Edward F. Diantonio | 2004-04-27 |
| 6573375 | Liquid thickener for surfactant systems | Stuart Barry Polovsky, Carmella A. Barbeito, Wing K. Li, Edward F. Diantonio | 2003-06-03 |
| 5595980 | Contraceptive compositions | George L. Brode, Gustavo F. Doncel, Henry L. Gabelnick, George A. Salensky | 1997-01-21 |
| 5407919 | Double-substituted cationic cellulose ethers | George L. Brode, George A. Salensky | 1995-04-18 |
| 4663159 | Hydrophobe substituted, water-soluble cationic polysaccharides | George L. Brode, Errol D. Goddard, Frederick M. Merritt, II, David B. Braun | 1987-05-05 |
| 4319067 | Method for increasing the activity of Friedel-Crafts catalyst | — | 1982-03-09 |
| 4305829 | Process for flocculating an aqueous suspension of particles with quaternary ammonium graft copolymers | Donald R. Kelsey | 1981-12-15 |
| 4271053 | Quaternary ammonium graft copolymers for use as flocculants and method of preparing same | Donald R. Kelsey | 1981-06-02 |