1
Oronzio de Nora: Novel electrolysis cell. Oronzio de Nora Impianti Elettrochimici S p A, Hammond & Littell Weissenberger and Muserlian, August 10, 1982: US04343690 (67 worldwide citation)

A cell is provided having an anode and cathode separated by an ion permeable membrane or diaphragm wherein an electrode layer is bonded to or otherwise embedded in on at least one and usually to both sides of the membrane. Polarity is imparted to a bonded or embedded electrode by pressing a crinkled ...


2
Oronzio de Nora: Monopolar and bipolar electrolyzer and electrodic structures thereof. Oronzio de Nora Impianti Elettrochimici, August 30, 1988: US04767519 (21 worldwide citation)

The present invention relates to an electrolyzer comprising at least an intermediate electrodic structure interposed between two electrodic end-structures, a separate on each side of the intermediate electrodic structure, device for impressing electrolysis current to the electrolyzer and means for f ...


3
Oronzio de Nora, Placido M Spaziante: Novel electrolysis cell. Oronzio de Nora Impianti Elettrochimici S p A, Hammond & Littell Weissenberger and Muserlian, August 10, 1982: US04343689 (20 worldwide citation)

An electrolysis cell comprising a housing containing a plurality of alternating anode units and cathode units and an ion permeable membrane sheet disposed therebetween and having bonded to opposite sides of the membrane sheet a porous anode and a porous cathode, said cathode units comprising a pair ...


4
Vittorio DeNora, Oronzio DE Nora: Process and apparatus for downward recycling of the electrolyte in diaphragm cells. Diamond Shamrock Technologies, Hammond & Littell, February 6, 1979: US04138295 (20 worldwide citation)

An alkali chlorine diaphragm cell such as is constructed in a conventional manner whereby evolved gaseous chlorine rises in the pool of alkali metal chloride solution is provided with recycling means to recycle the solution from an upper level of the solution to a predetermined lower level of the so ...


5
Oronzio de Nora, Antonio Nidola, Gian N Martelli: Electrolysis cell. Oronzio deNora Impianti Elettrochimici S p A, Charles A Muserlian, August 28, 1984: US04468311 (18 worldwide citation)

A cell is provided having an anode and cathode separated by an ion permeable membrane or diaphragm wherein an electrode layer is bonded to or otherwise embedded in on at least one and usually to both sides of the membrane. Polarity is imparted to a bonded or embedded electrode by pressing a crinkled ...


6
Oronzio De Nora, Antonio Nidola, Gian N Martelli: Electrolysis cell and method of generating halogen. Pollock Vande Sande & Priddy, May 3, 1983: US04381979 (15 worldwide citation)

Halogen is produced by electrolyzing an aqueous halide in a specially designed cell. The cell comprises an anolyte chamber and a catholyte chamber separated by a permeable membrane or diaphragm, notably an ion exchange (generally cation exchange) polymer. At least one electrode comprises at least tw ...


7
Oronzio De Nora, Antonio Nidola, Placido M Spaziante: Manganese dioxide electrodes. Diamond Shamrock Technologies, Hammond & Littell, February 7, 1978: US04072586 (14 worldwide citation)

Novel electrodes consisting essentially of a valve metal base or other electrically conductive material which is corrosion-resistant to the anodic conditions having on at least a portion of its outer surface an electrocatalytic coating of .beta.-manganese dioxide chemi-deposited by thermal decomposi ...


8
Oronzio De Nora, Carlo Traini: Metal anodes with reduced anodic surface and high current density and their use in electrowinning processes with low cathodic current density. Diamond Shamrock Technologies, Hammond & Littell, January 16, 1979: US04134806 (13 worldwide citation)

Describes an electrochemical process operated at relatively low cathodic current density and high anodic current density, particularly for electrowinning and electrorefining processes using dimensionally stable metal anodes with reduced anodic electrocatalytic surfaces to allow full exploitation of ...


9
James W Bess Sr, Oronzio De Nora, Richard E Loftfield, Giovanni Trisoglio: Anode structure. Diamond Shamrock Technologies, Hammond & Littell, April 17, 1979: US04149956 (13 worldwide citation)

Relates to anodes for electrolytic cells, for the electrolysis of brine solutions, having primary lead-in means of high conducting capacity (copper) for supplying anodic current to the cell from outside the cell and connected to a current supply source, primary conducting means of lower conducting c ...


10
Oronzio de Nora, Luigi Giuffre, Giovanni Modica: Novel cationic membranes. Oronzio deNora Impianti Elettrochimici S p A, Hammond & Littell Weissenberger and Muserlian, October 20, 1981: US04295952 (12 worldwide citation)

Cationic membranes permeable to ions but fluid impermeable comprising a partly sulfonated terpolymer of styrene, divinylbenzene and at least one member of the group consisting of 2-vinylpyridine, 4-vinylpyridine and acrylic acid, the degree of sulfonation varying through the membrane cross-section f ...