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Patent applications and USPTO patent grants for Ribbing; Wilfried.The latest application filed is for "thermoplastic compositions based on polyphenylene ethers and styrene-butadiene polymers produced by emulsion polymerization".
Patent | Date |
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Thermoplastic compositions based on polyphenylene ethers and styrene-butadiene polymers produced by emulsion polymerization Grant 4,931,504 - Jadamus , et al. June 5, 1 | 1990-06-05 |
Method of manufacturing polyphenylene ethers Grant 4,734,485 - Bartmann , et al. March 29, 1 | 1988-03-29 |
Impact-resistant thermoplastic molding compounds based on polyphenylene ethers, polyoctenylenes and polyamides Grant 4,728,693 - Droscher , et al. March 1, 1 | 1988-03-01 |
Process for purifying polyphenylene oxides obtained by interruption of the copper-amine catalyzed polycondensation of ortho-disubstituted phenols Grant 4,659,803 - Bartmann , et al. April 21, 1 | 1987-04-21 |
Method of producing polyphenylene oxides using morpholinium bromide as activator Grant 4,429,106 - Burzin , et al. January 31, 1 | 1984-01-31 |
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