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Method of operating an electrolysis cell
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Patent number 4,065,367
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Issue date Dec 27, 1977
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Oronzio de Nora Impianti Elettrochimici, S.p.A.
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Vittorio de Nora
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C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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Novel copolymers and diaphragms made therefrom
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Patent number 4,060,473
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Issue date Nov 29, 1977
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Oronzio De Nora Impianti Elettrochimici S.p.A.
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Luigi Giuffre
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Electrowinning method
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Patent number 4,056,449
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Issue date Nov 1, 1977
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Diamond Shamrock Technologies S.A.
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Vittorio de Nora
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C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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Electrolysis cells
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Patent number 4,032,426
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Issue date Jun 28, 1977
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Oronzio De Nora Impianti Elettrochimici S.p.A.
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Oronzio de Nora
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C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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Novel composite diaphragm material
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Patent number 4,020,235
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Issue date Apr 26, 1977
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Oronzio De Nora Impianti Elettrochimici S.p.A.
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Luigi Giuffre
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C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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Horizontal, planar, bipolar diaphragm cells
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Patent number 3,976,550
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Issue date Aug 24, 1976
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Oronzio de Nora Implanti Elettrochimici S.p.A.
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Oronzio De Nora
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C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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Electrolysis cell
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Patent number 3,976,556
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Issue date Aug 24, 1976
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Oronzio De Nora Impianti Elettrochimici S.p.A.
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Vittorio De Nora
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C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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Electrolysis cell
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Patent number 3,930,980
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Issue date Jan 6, 1976
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Oronzio De Nora Impianti Elettrochimici S.p.A.
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Oronzio De Nora
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C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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