Cosper; David R.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Cosper; David R..The latest application filed is for "recycling of xerographic waste paper using organic particulates".
- Cosper; David R. - Downers Grove IL
| Patent | Date |
|---|---|
| Recycling of xerographic waste paper using organic particulates Grant 5,441,601 - Cosper , et al. * August 15, 1 | 1995-08-15 |
| Recycling of xerographic waste paper using organic particulates Grant 5,405,495 - Cosper , et al. April 11, 1 | 1995-04-11 |
| Method for preparing a ceramic oxide material Grant 5,266,243 - Kneller , et al. November 30, 1 | 1993-11-30 |
| Application of enzymes and flocculants for enhancing the freeness of paper making pulp Grant 5,169,497 - Sarkar , et al. December 8, 1 | 1992-12-08 |
| Aqueous hydrotrope solutions for paint detackifiers Grant 4,554,026 - Cosper , et al. * November 19, 1 | 1985-11-19 |
| Hydrotropes and uses thereof Grant 4,444,573 - Cosper , et al. April 24, 1 | 1984-04-24 |
| Accelerated process for causticization of Kraft green liquor Grant 4,159,922 - Cosper July 3, 1 | 1979-07-03 |
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