Pruckmayr; Gerfried

Patent Applications and Registrations

Patent applications and USPTO patent grants for Pruckmayr; Gerfried.The latest application filed is for "copolymers of tetrahydrofuran, ethylene oxide and an additional cyclic ether".

Company Profile

0.6.2

Pruckmayr; Gerfried - Media 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
Copolymers of tetrahydrofuran, ethylene oxide and an additional cyclic ether App 20060084786 - Pruckmayr; Gerfried ; et al.	2006-04-20
Copolymers of tetrahydrofuran, ethylene oxide and an additional cyclic ether Grant 6,989,432 - Pruckmayr , et al. January 24, 2	2006-01-24
Copolymers of tetrahydrofuran, ethylene oxide and an additional cyclic ether App 20030166821 - Pruckmayr, Gerfried ; et al.	2003-09-04
Polymerizing tetrahydrofuran to produce polytetramethylene ether glycol using a modified fluorinated resin catalyst containing sulfonic acid groups Grant 5,118,869 - Dorai , et al. June 2, 1	1992-06-02
Method for preparing poly(tetramethylene ether) glycol having narrow molecular weight distribution Grant 4,510,333 - Pruckmayr April 9, 1	1985-04-09
Preparation of esters of poly-(tetramethylene ether) glycol Grant 4,163,115 - Heinsohn , et al. July 31, 1	1979-07-31
Method for preparing ester end-capped copolyether glycols Grant 4,153,786 - Pruckmayr May 8, 1	1979-05-08
Method for preparing copolyether glycols Grant 4,139,567 - Pruckmayr February 13, 1	1979-02-13

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