John O. Snodgrass

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Akron, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for preparing diaphragm for use in chlor-alkali cells
- Patent number 5,612,089
- Issue date Mar 18, 1997
- PPG Industries, Inc.
- Colonel R. Dilmore
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Nickel-molybdenum cathode
- Patent number 4,323,595
- Issue date Apr 6, 1982
- PPG Industries, Inc.
- Cletus N. Welch
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Porous nickel cathode
- Patent number 4,251,478
- Issue date Feb 17, 1981
- PPG Industries, Inc.
- Cletus N. Welch
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Electrolysis of alkali metal chloride in a cell having a nickel-mol...
- Patent number 4,248,679
- Issue date Feb 3, 1981
- PPG Industries, Inc.
- Cletus N. Welch
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method of activating an anode
- Patent number 4,040,918
- Issue date Aug 9, 1977
- PPG Industries, Inc.
- Harlan B. Johnson
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR