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Diaphragm for electrolytic cell
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Patent number 6,059,944
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Issue date May 9, 2000
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PPG Industries Ohio, Inc.
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Donald W. DuBois
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C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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Method of operating chlor-alkali cells
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Patent number 5,567,298
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Issue date Oct 22, 1996
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PPG Industries, Inc.
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Donald W. DuBois
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C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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Treatment of permionic membrane
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Patent number 4,360,412
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Issue date Nov 23, 1982
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PPG Industries, Inc.
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Bernard A. Maloney
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C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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