Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11650352 | Method of manufacturing silicone hydrogel contact lenses having reduced rates of evaporation | Nancy J. Keir, Xinfeng Shi, James Mun | 2023-05-16 |
| 11150384 | Method of manufacturing silicone hydrogel contact lenses having reduced rates of evaporation | Nancy J. Keir, Xinfeng Shi, James Mun | 2021-10-19 |
| 10422927 | Method of manufacturing silicone hydrogel contact lenses having reduced rates of evaporation | Nancy J. Keir, Xinfeng Shi, James Mun | 2019-09-24 |
| 9920482 | Method of increasing paper strength | Bradley Benz, James L. Thomas, Mei Liu, Robert M. Lowe | 2018-03-20 |
| 9574038 | Contact lenses made with HEMA-compatible polysiloxane macromers | Hiroyuki Ueyama, Charlie Chen, Yuan Xu, Yuwen Liu, Ying Zheng +1 more | 2017-02-21 |
| 9453110 | Contact lenses made with HEMA-compatible polysiloxane macromers | Hiroyuki Ueyama, Charlie Chen, Yuan Xu, Yuwen Liu, Ying Zheng +1 more | 2016-09-27 |
| 9322959 | Contact lenses made with HEMA-compatible polysiloxane macromers | Hiroyuki Ueyama, Charlie Chen, Yuan Xu, Yuwen Liu, Ying Zheng +1 more | 2016-04-26 |
| 8728275 | Glycerol-based polymers for reducing deposition of organic contaminants in papermaking processes | Xiaojin Harry Li, Sergey M. Shevchenko | 2014-05-20 |
| 8709209 | Anionic lipophilic glycerol-based polymers for organic deposition control in papermaking processes | Xiaojin Harry Li, Qing Qing Yuan, Qun Dong | 2014-04-29 |
| 6951946 | Large scale synthesis of 1,2,4- and 1,3,4-oxadiazole carboxylates | Hartmuth C. Kolb, Ramanaiah C. Kanamarlapudi | 2005-10-04 |
| 6806380 | Modified safe and efficient process for the environmentally friendly synthesis of imidoesters | Hartmuth C. Kolb, Ramanaiah C. Kanamarlapudi, Gaznabi Khan | 2004-10-19 |
| 6642390 | One step synthesis of 1,2,3-triazole carboxylic acids | Hartmuth C. Kolb, Cullen L. Cavallaro, Zhi-Cai Shi, Alexander Gontcharov, Zhi-Min Wang +1 more | 2003-11-04 |
| 5532413 | Storage stable biocide composition and process for making the same | Gary F. Matz | 1996-07-02 |
| 5433824 | Melamine-formaldehyde polymer for controlling stickies | — | 1995-07-18 |
| 5286347 | Melamine formaldehyde polymer for pitch control method | — | 1994-02-15 |
| 4948464 | Acrylamide-2-acrylamido-2-methylpropanesulfonic acid polymers as formation aids in wet laid nonwovens production | Suzanne N. Dunn, John A. Romberger | 1990-08-14 |
| 4704209 | Sulphonate-containing terpolymers as flocculants for suspended solids | Lawrence J. Connelly, Dodd W. Fong, Ralph W. Kaesler | 1987-11-03 |
| 4673511 | Acrylamide diallyl dimethyl ammonium chloride copolymers as improved dewatering acids for mineral processing | Bhupati R. Bhattacharyya | 1987-06-16 |