Issued Patents All Time
Showing 26–50 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9238766 | Comb-like polyetheralkanolamines in inks and coatings | Howard P. Klein | 2016-01-19 |
| 8950494 | Foamers for downhole injection | Fenfen Huang | 2015-02-10 |
| 8911615 | Recovery and separation of crude oil and water from emulsions | Olina G. Raney, John Hera, Jr., Michael K. Poindexter, George J. Hirasaki, Clarence A. Miller | 2014-12-16 |
| 8746341 | Quaternary foamers for downhole injection | Fenfen Huang | 2014-06-10 |
| 8741130 | Method for resolving emulsions in enhanced oil recovery operations | G. Richard Meyer | 2014-06-03 |
| 8551925 | Imidazoline-based heterocyclic foamers for downhole injection | G. Richard Meyer | 2013-10-08 |
| 8399386 | Foamers for downhole injection | G. Richard Meyer | 2013-03-19 |
| 8394872 | Method of reducing the viscosity of hydrocarbon fluids | Marcus D. Faust, Jr., Austen K. Flatt, Thomas M. Weathers, Jr. | 2013-03-12 |
| 7923416 | Method of reducing the viscosity of hydrocarbon fluids | — | 2011-04-12 |
| 7741264 | Surface active polymers as detergents | George A. Smith, Katie R. Hand, Samir S. Ashrawi | 2010-06-22 |
| 7217340 | Chemical softening composition for paper products | — | 2007-05-15 |
| 7012058 | Chemical softening compositions for paper products | — | 2006-03-14 |
| 6488808 | Styrene copolymers in de-inking | Charles W. Hengst | 2002-12-03 |
| 6482292 | Styrene copolymers in de-inking | Charles W. Hengst | 2002-11-19 |
| 6461477 | Proteins and polymers for use as pitch and stickies control agents in pulp and papermaking processes | Qu-Ming Gu | 2002-10-08 |
| 6365101 | Methods of preventing scaling involving inorganic compositions, and compositions therefor | Mitzi K. Fader, Xiang Wang, Fushan Zhang, Tien-Feng Ling | 2002-04-02 |
| 6355214 | Methods of preventing scaling involving inorganic compositions, and inorganic compositions therefor | Mitzi K. Fader, Xiang Wang, Fushan Zhang, Tien-Feng Ling | 2002-03-12 |
| 6333005 | Methods of preventing scaling involving inorganic compositions in combination with copolymers of maleic anhydride and isobutylene, and compositions therefor | — | 2001-12-25 |
| 6143800 | Compositions and method for inhibiting organic contaminant deposition in pulp and papermaking systems | J. Barry Wright, Daniel L. Michalopoulos | 2000-11-07 |
| 5952394 | Compositions and methods for inhibiting the deposition of organic contaminants in pulp and papermaking systems | — | 1999-09-14 |
| 5885419 | Methods for inhibiting organic contaminant deposition in pulp and papermaking systems | Tien-Feng Ling | 1999-03-23 |
| 5866618 | Compositions and Methods for inhibiting the deposition of organic contaminants in pulp and papermaking systems | — | 1999-02-02 |
| 5779858 | Deposition control in pulp and papermaking systems using a composition comprising of polyvinyl alcohol and gelatin | — | 1998-07-14 |
| 5762757 | Methods for inhibiting organic contaminant deposition in pulp and papermaking systems | J. Barry Wright, Daniel L. Michalopoulos | 1998-06-09 |
| 5746888 | Methods for inhibiting organic contaminant deposition in pulp and papermaking systems | Tien-Feng Ling | 1998-05-05 |