Leung; Pak S.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Leung; Pak S..The latest application filed is for "spray application of plastics additives to polymers".

Company Profile

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Leung; Pak S. - Highland Mills NY

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Spray application of plastics additives to polymers Grant 5,308,648 - Prince , et al. May 3, 1	1994-05-03
Purging composition for cleaning thermoplastic processing equipment Grant 5,236,514 - Leung , et al. August 17, 1	1993-08-17
Antifreeze composition concentrate containing oxyalkylene compound and an organic phosphate surface modifier compound Grant 5,073,283 - Leung , et al. December 17, 1	1991-12-17
Process for processing thermoplastic polymers Grant 4,857,593 - Leung , et al. August 15, 1	1989-08-15
Glycosaminoglycan and cationic polymer combinations Grant 4,767,463 - Brode , et al. August 30, 1	1988-08-30
Oil-in-alcohol microemulsions in antifreeze Grant 4,704,220 - Goddard , et al. * November 3, 1	1987-11-03
Cooling system using an oil-in-alcohol containing consolute antifreeze composition Grant 4,610,222 - Goddard , et al. September 9, 1	1986-09-09
Dry, particulate, inorganic ultrafiltration membranes and the production thereof Grant 4,412,921 - Leung , et al. November 1, 1	1983-11-01

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