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Patent applications and USPTO patent grants for Chung; Daniel K..The latest application filed is for "use of polymers containing vinylamine/vinylformamide for the treatment of food processing wastewater".
Patent | Date |
---|---|
Use of polymers containing vinylamine/vinylformamide for the treatment of food processing wastewater Grant 6,610,209 - Sommese , et al. August 26, 2 | 2003-08-26 |
Clarification of deinking process water Grant 5,624,569 - Chung , et al. April 29, 1 | 1997-04-29 |
Liquid suspension of polyethylene oxide for use in treating paper and pulp wastewater Grant 5,342,538 - Chung , et al. * August 30, 1 | 1994-08-30 |
Liquid suspension of polyethylene oxide for use in treating paper and pulp wastewater Grant 5,173,208 - Chung , et al. December 22, 1 | 1992-12-22 |
Retention and drainage aid for alkaline fine papermaking process Grant 5,126,014 - Chung June 30, 1 | 1992-06-30 |
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