Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11339322 | Cross-linked acrylamide polymer or copolymer gel and breaker compositions and methods of use | Jiang Li, Roopa Tellakula | 2022-05-24 |
| 10822462 | Paper product and method for increasing the strength thereof | Yuping Luo, Roopa Tellakula | 2020-11-03 |
| 10624986 | Absorbent materials, products including absorbent materials, compositions, and methods of making absorbent materials | Chen Lu, Vladimir Grigoriev, Henry Skoog | 2020-04-21 |
| 10458068 | Method for producing paper | Chen Lu, Junhua Chen, Clay Campbell, Jenna Sue Rabideau | 2019-10-29 |
| 10435843 | Method for producing paper | Chen Lu, Junhua Chen, Clay Campbell, Jenna Sue Rabideau | 2019-10-08 |
| 10378154 | Composition for use as a paper strength agent | Yuping Luo, Jiang Li, Thomas J. Lynch, Jenna Sue Rabideau | 2019-08-13 |
| 10196779 | Compositions and methods of making paper products | Vladimir Grigoriev, Chen Lu | 2019-02-05 |
| 9797094 | Paper and methods of making paper | Yuping Luo, Vladimir Grigoriev, Chen Lu | 2017-10-24 |
| 9777434 | Compositions and methods of making paper products | Vladimir Grigoriev, Chen Lu | 2017-10-03 |
| 9637865 | Method for producing polyacrylamide composition | Chen Lu | 2017-05-02 |
| 9562326 | Compositions and methods of making paper products | Chen Lu, Vladimir Grigoriev | 2017-02-07 |
| 9556562 | Compositions used in paper and methods of making paper | Yuping Luo | 2017-01-31 |
| 9506195 | Compositions and methods of making paper products | Junhua Chen, Chen Lu, Frank Zimmermann | 2016-11-29 |
| 9404216 | Polyester surfactants for deinking | Terrence Cotter, Robert B. Wilson | 2016-08-02 |
| 9347181 | Method for increasing paper strength | Chen Lu, Danny Nguyen | 2016-05-24 |
| 9328462 | Compositions and methods of making paper products | Junhua Chen, Chen Lu, Frank Zimmermann | 2016-05-03 |
| 9212453 | Paper and methods of making paper | Yuping Luo, Vladimir Grigoriev, Chen Lu | 2015-12-15 |
| 9182271 | Methods of measuring a characteristic of a creping adhesive film and methods of modifying the creping adhesive film | Vladimir Grigoriev, Danny Nguyen, Chen Lu | 2015-11-10 |
| 8980056 | Composition and process for increasing the dry strength of a paper product | Chen Lu, Vladimir Grigoriev | 2015-03-17 |
| 8742030 | Polyamine polyamidoamine epihaloohydrin compositions and processes for preparing and using the same | Chen Lu, Vladimir Grigoriev, Danny Nguyen | 2014-06-03 |
| 8673117 | Degrading agent compositions for temporary wet strength systems in tissue products | Yuping Luo, Vladimir Grigoriev | 2014-03-18 |
| 8617353 | Deinking process | Jean-Francois D'Allest, Tiina Sarja | 2013-12-31 |
| 8524036 | Polyester surfactants for deinking | Terrence Cotter, Robert B. Wilson | 2013-09-03 |
| 8507597 | Polymeric defoamer additive | James Martin, Robert B. Wilson, David Previs | 2013-08-13 |
| 8317973 | Polyester surfactants for deinking | Terrence Cotter, Robert B. Wilson | 2012-11-27 |