Pechhold; Engelbert

Patent Applications and Registrations

Patent applications and USPTO patent grants for Pechhold; Engelbert.The latest application filed is for "polymers with pendant fluoroalkylsulfide groups".

Company Profile

0.15.0

Pechhold; Engelbert - Chadds Ford PA

*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
Polymers with pendant fluoroalkylsulfide groups Grant 6,093,775 - Pechhold July 25, 2	2000-07-25
Maleic anhydride/olefin polymer stain-resists Grant 5,834,088 - Pechhold November 10, 1	1998-11-10
Maleic anhydride/olefin polymer stain-resists Grant 5,707,708 - Pechhold January 13, 1	1998-01-13
Stain-resistant polyamide substrates Grant 5,460,887 - Pechhold October 24, 1	1995-10-24
Substrates treated with bis(hydroxyphenyl)sulfone stain-resists Grant 5,460,891 - Buck , et al. October 24, 1	1995-10-24
Process providing durable stain-resistance by use of maleic anhydride polymers Grant 5,358,769 - Pechhold October 25, 1	1994-10-25
Maleic anhydride/vinyl or allyl ether polymer stain-resists Grant 5,346,726 - Pechhold September 13, 1	1994-09-13
Phenolic stain-resists using mercaptocarboxylic acid Grant 5,260,406 - Pechhold November 9, 1	1993-11-09
Perfluoroalkyl polyether glycols and their use Grant 5,107,033 - Pechhold April 21, 1	1992-04-21
Modified fluorocarbonylimino biurets Grant 4,958,039 - Pechhold September 18, 1	1990-09-18
Oligomeric formal diols of poly(tetramethylene ether) glycol and polyurethanes prepared therefrom Grant 4,355,119 - Pechhold October 19, 1	1982-10-19
Copolyether glycols of tetrahydrofuran and alkylene oxides having low oligomeric cyclic ether content Grant 4,251,654 - Robinson , et al. February 17, 1	1981-02-17
Polyurethanes prepared with tetrahydrofuran-alkylene oxide polymerizates having low oligomeric cyclic ether content Grant 4,224,432 - Pechhold , et al. September 23, 1	1980-09-23
Polyether urethane polymers prepared from a copolymer of tetrahydrofuran and ethylene oxide Grant 4,120,850 - Pechhold October 17, 1	1978-10-17
Electrical Cable And Process Grant 3,816,643 - Pechhold June 11, 1	1974-06-11

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