Walther Grot

Person

Chadds Ford, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Recycling of used perfluorosulfonic acid membranes
- Patent number 7,255,798
- Issue date Aug 14, 2007
- Ion Power, Inc.
- Stephen Grot
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Fuel cell membranes
- Patent number 6,733,914
- Issue date May 11, 2004
- Ion Power, Inc.
- Walther Gustav Grot
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Membranes containing inorganic fillers and membrane and electrode a...
- Patent number 5,919,583
- Issue date Jul 6, 1999
- E. I. Du Pont de Nemours and Company
- Walther Gustav Grot
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Hydrometallurgical extraction process
- Patent number 5,807,421
- Issue date Sep 15, 1998
- E. I. Du Pont de Nemours and Company
- Christopher Andrew Fleming
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Hydrometallurgical extraction and recovery of copper, gold, and sil...
- Patent number 5,667,557
- Issue date Sep 16, 1997
- E. I. Du Pont de Nemours and Company
- Christopher Andrew Fleming
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process of imprinting catalytically active particles on membrane
- Patent number 5,547,911
- Issue date Aug 20, 1996
- E. I. Du Pont de Nemours and Company
- Walther G. Grot
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Sealant for electrochemical cells
- Patent number 5,534,576
- Issue date Jul 9, 1996
- E. I. Du Pont de Nemours and Company
- Walther G. Grot
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Process for sealing membrane in electrochemical cell
- Patent number 5,484,503
- Issue date Jan 16, 1996
- E. I. Du Pont de Nemours and Company
- Walther G. Grot
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Method of imprinting catalytically active particles on membrane
- Patent number 5,415,888
- Issue date May 16, 1995
- E. I. Du Pont de Nemours and Company
- Shoibal Banerjee
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Hydrometallurgical extraction process
- Patent number 5,411,575
- Issue date May 2, 1995
- E. I. Du Pont de Nemours and Company
- Christopher A. Fleming
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Membrane and electrode structure
- Patent number 5,330,860
- Issue date Jul 19, 1994
- E. I. Du Pont de Nemours and Company
- Walther G. Grot
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process for hydrolysis of ion exchange membranes
- Patent number 5,310,765
- Issue date May 10, 1994
- E. I. Du Pont de Nemours and Company
- Shoibal Banerjee
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymerization of fluorinated copolymers
- Patent number 5,281,680
- Issue date Jan 25, 1994
- E. I. Du Pont de Nemours and Company
- Walther G. Grot
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Applicator for applying sealant for electrochemical cell
- Patent number 5,181,791
- Issue date Jan 26, 1993
- E. I. Du Pont de Nemours and Company
- Walther G. Grot
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Ion exchange process and apparatus
- Patent number 4,591,439
- Issue date May 27, 1986
- E. I. Du Pont de Nemours and Company
- Walther G. Grot
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Fluorinated ion exchange polymer containing carboxylic groups, proc...
- Patent number 4,544,458
- Issue date Oct 1, 1985
- E. I. Du Pont de Nemours and Company
- Walther G. Grot
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Protective clothing of fabric containing a layer of highly fluorina...
- Patent number 4,518,650
- Issue date May 21, 1985
- E. I. Du Pont de Nemours and Company
- Walther G. Grot
- A41 - WEARING APPAREL
Information Patent Grant
Protective clothing of fabric containing a layer of highly fluorina...
- Patent number 4,469,744
- Issue date Sep 4, 1984
- E. I. Du Pont de Nemours and Company
- Walther G. Grot
- A41 - WEARING APPAREL
Information Patent Grant
Process for making articles coated with a liquid composition of per...
- Patent number 4,453,991
- Issue date Jun 12, 1984
- E. I. Du Pont de Nemours and Company
- Walther G. Grot
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for making liquid composition of perfluorinated ion exchang...
- Patent number 4,433,082
- Issue date Feb 21, 1984
- E. I. Du Pont de Nemours and Company
- Walther G. Grot
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for esterifying fluorinated carboxylic acid polymer
- Patent number 4,415,679
- Issue date Nov 15, 1983
- E. I. Du Pont de Nemours & Co.
- Walther G. Grot
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Fluorinated ion exchange polymer containing carboxylic groups, proc...
- Patent number 4,267,364
- Issue date May 12, 1981
- E. I. DuPont de Nemours and Company
- Walther G. Grot
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method and apparatus for electrolysis of alkali or alkaline earth m...
- Patent number 4,113,585
- Issue date Sep 12, 1978
- E. I. Du Pont de Nemours and Company
- Paul Raphael Resnick
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Ion exchange polymer film, consisting of fluorinated polymer with N...
- Patent number 4,085,071
- Issue date Apr 18, 1978
- E. I. DuPont de Nemours and Company
- Paul Raphael Resnick
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process for producing halogen and metal hydroxides with cation exch...
- Patent number 4,030,988
- Issue date Jun 21, 1977
- E. I. Du Pont de Nemours and Company
- Walther Gustav Grot
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Electrolysis cell using cation exchange membranes of improved perms...
- Patent number 4,026,783
- Issue date May 31, 1977
- E. I. Du Pont de Nemours and Company
- Walther Gustav Grot
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Reinforced cation permeable separator
- Patent number 4,021,327
- Issue date May 3, 1977
- E. I. Du Pont de Nemours and Company
- Walther Gustav Grot
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Ion-exchange fabric of fluorinated polymer containing pendant side...
- Patent number 3,985,501
- Issue date Oct 12, 1976
- E. I. Du Pont de Nemours and Company
- Walther Gustav Grot
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Heat-treated fluorocarbon sulfonylamine cation permselectivity
- Patent number 3,969,285
- Issue date Jul 13, 1976
- E. I. Du Pont de Nemours and Company
- Walther Gustav Grot
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Knitted or woven ion exchange fabric containing low denier filaments
- Patent number 3,940,916
- Issue date Mar 2, 1976
- E. I. Du Pont de Nemours and Company
- Walther Gustav Grot
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING

Patents Applicationslast 30 patents

Information Patent Application
Recycling of used perfluorosulfonic acid membranes
- Publication number 20050211630
- Publication date Sep 29, 2005
- Ion Power, Inc.
- Stephen Grot
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Walther Grot

Person

Patents Grantslast 30 patents

Recycling of used perfluorosulfonic acid membranes

Fuel cell membranes

Membranes containing inorganic fillers and membrane and electrode a...

Hydrometallurgical extraction process

Hydrometallurgical extraction and recovery of copper, gold, and sil...

Process of imprinting catalytically active particles on membrane

Sealant for electrochemical cells

Process for sealing membrane in electrochemical cell

Method of imprinting catalytically active particles on membrane

Hydrometallurgical extraction process

Membrane and electrode structure

Process for hydrolysis of ion exchange membranes

Polymerization of fluorinated copolymers

Applicator for applying sealant for electrochemical cell

Ion exchange process and apparatus

Fluorinated ion exchange polymer containing carboxylic groups, proc...

Protective clothing of fabric containing a layer of highly fluorina...

Protective clothing of fabric containing a layer of highly fluorina...

Process for making articles coated with a liquid composition of per...

Process for making liquid composition of perfluorinated ion exchang...

Process for esterifying fluorinated carboxylic acid polymer

Fluorinated ion exchange polymer containing carboxylic groups, proc...

Method and apparatus for electrolysis of alkali or alkaline earth m...

Ion exchange polymer film, consisting of fluorinated polymer with N...

Process for producing halogen and metal hydroxides with cation exch...

Electrolysis cell using cation exchange membranes of improved perms...

Reinforced cation permeable separator

Ion-exchange fabric of fluorinated polymer containing pendant side...

Heat-treated fluorocarbon sulfonylamine cation permselectivity

Knitted or woven ion exchange fabric containing low denier filaments

Patents Applicationslast 30 patents

Recycling of used perfluorosulfonic acid membranes