Grot; Walther Gustav

Patent Applications and Registrations

Patent applications and USPTO patent grants for Grot; Walther Gustav.The latest application filed is for "fuel cell membranes".

Company Profile

0.14.0

Grot; Walther Gustav - 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
Fuel cell membranes Grant 6,733,914 - Grot , et al. May 11, 2	2004-05-11
Membranes containing inorganic fillers and membrane and electrode assemblies and electrochemical cells employing same Grant 5,919,583 - Grot , et al. July 6, 1	1999-07-06
Ion exchange polymer film, consisting of fluorinated polymer with N-monosubstituted sulfonamido groups method and apparatus for electrolysis of alkali or alkaline earth metal halide Grant 4,085,071 - Resnick , et al. April 18, 1	1978-04-18
Process for producing halogen and metal hydroxides with cation exchange membranes of improved permselectivity Grant 4,030,988 - Grot June 21, 1	1977-06-21
Electrolysis cell using cation exchange membranes of improved permselectivity Grant 4,026,783 - Grot May 31, 1	1977-05-31
Reinforced cation permeable separator Grant 4,021,327 - Grot May 3, 1	1977-05-03
Ion-exchange fabric of fluorinated polymer containing pendant side chains with sulfonyl groups Grant 3,985,501 - Grot October 12, 1	1976-10-12
Heat-treated fluorocarbon sulfonylamine cation permselectivity Grant 3,969,285 - Grot July 13, 1	1976-07-13
Knitted or woven ion exchange fabric containing low denier filaments Grant 3,940,916 - Grot March 2, 1	1976-03-02
Method of making laminates of support material and fluorinated polymer containing pendant side chains containing sulfonyl groups Grant 3,925,135 - Grot December 9, 1	1975-12-09
Melt processing of fluorinated polymers Grant 3,884,885 - Grot May 20, 1	1975-05-20
Laminates Of Support Material And Fluorinated Polymer Containing Pendant Side Chains Containing Sulfonyl Groups Grant 3,849,243 - Grot November 19, 1	1974-11-19
Films Of Fluorinated Polymer Containing Sulfonyl Groups With One Surface In The Sulfonamide Or Sulfonamide Salt Form And A Process For Preparing Such Grant 3,784,399 - Grot January 8, 1	1974-01-08
Cf =cfcf Cf So F And Derivatives And Polymers Thereof Grant 3,718,627 - Grot February 27, 1	1973-02-27

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