Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10253214 | Methods for inhibiting the deposition of organic contaminates in pulp and papermaking systems | Tien-Feng Ling, Zhaoqing Liu | 2019-04-09 |
| 10035928 | Lignin nanoparticle dispersions and methods for producing and using the same | Zhaoqing Liu, John C. Gast | 2018-07-31 |
| 9028650 | Method of sizing paper | Susan M. Ehrhardt | 2015-05-12 |
| 8632659 | Paper sizing composition | Susan M. Ehrhardt | 2014-01-21 |
| 6951962 | Oil/grease- and water-sizing agent for treatment of cellulosics | — | 2005-10-04 |
| 6316095 | 2-oxetanone sizing agents and their use in paper | Donald K. Black, Clement L. Brungardt, David H. Dumas, Susan M. Ehrhardt, John C. Gast +1 more | 2001-11-13 |
| 6197417 | 2-oxetanone sizing agents made from linoleic acid and their use in paper | — | 2001-03-06 |
| 6007906 | Process of using fine paper containing 2-oxetanone sizing agent in high speed precision converting or reprographic operations | Clement L. Brungardt, David H. Dumas, Susan M. Ehrhardt, John C. Gast, Jian Zhang | 1999-12-28 |
| 5879814 | 2-oxetanone sizing agents made from linoleic acid and their use in paper | — | 1999-03-09 |
| 5853542 | Method of sizing paper using a sizing agent and a polymeric enhancer and paper produced thereof | — | 1998-12-29 |
| 5685815 | Process of using paper containing alkaline sizing agents with improved conversion capability | Clement L. Brungardt, David H. Dumas, Susan M. Ehrhardt, John C. Gast, Jian Zhang | 1997-11-11 |
| 5252754 | Fluorinated aldoketene dimer structures and their use as combination oil and water resistant sizes for cellulosic materials | — | 1993-10-12 |