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Mentor, OH, US
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last 30 patents
Information
Patent Grant
Modified liquid permeable asbestos diaphragms with improved dimensi...
Patent number
4,665,120
Issue date
May 12, 1987
Eltech Systems Corporation
Louis W. Hruska
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Modified liquid permeable asbestos diaphragms with improved dimensi...
Patent number
4,563,260
Issue date
Jan 7, 1986
Eltech Systems Corporation
Louis W. Hruska
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Modified liquid permeable asbestos diaphragms with improved dimensi...
Patent number
4,447,566
Issue date
May 8, 1984
Eltech Systems Corp.
Louis W. Hruska
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Dimensionally stable asbestos-polytetrafluoroethylene diaphragms fo...
Patent number
4,444,640
Issue date
Apr 24, 1984
Diamond Shamrock Corporation
Shan-Pu Tsai
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Strengthened fiberous electrochemical cell diaphragm and a method f...
Patent number
4,354,900
Issue date
Oct 19, 1982
Diamond Shamrock Corporation
Rodney R. Bailey
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Method for lowering chlorate content of alkali metal hydroxides
Patent number
4,055,476
Issue date
Oct 25, 1977
Diamond Shamrock Corporation
Leo L. Benezra
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR