Wan; Jeffrey K. -S.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Wan; Jeffrey K. -S..The latest application filed is for "method for bleaching mechanical pulp".
- Wan; Jeffrey K. -S. - Kingston CA
| Patent | Date |
|---|---|
| Method for bleaching mechanical pulp with hydrogen peroxide and an alkaline earth metal carbonate Grant 6,632,328 - Wan , et al. October 14, 2 | 2003-10-14 |
| Method for bleaching mechanical pulp App 20020144796 - Wan, Jeffrey K.-S. ; et al. | 2002-10-10 |
| Microwave production of C.sub.2 hydrocarbons, using a carbon catalyst Grant 5,472,581 - Wan December 5, 1 | 1995-12-05 |
| Microwave induced catalytic conversion of methane to ethylene and hydrogen Grant 4,574,038 - Wan March 4, 1 | 1986-03-04 |
| Method for disposal of chemical waste Grant 4,345,983 - Wan August 24, 1 | 1982-08-24 |
| Phosphorescence exhibiting materials for optically pumped lasers Grant 4,158,822 - Wan June 19, 1 | 1979-06-19 |
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