1
Antonio Nidola, Gian N Martelli: Deposition of catalytic electrodes on ion-exchange membranes. Oronzio de Nora Impianti Elettrochimici S p A, Pollock Vande Sande & Priddy, December 21, 1982: US04364803 (152 worldwide citation)

A gas and electrolyte permeable metal layer is bonded to an ion-permeable membrane by electroless deposition to produce a permeable metal deposit upon the membrane or diaphragm. Advantageously, the membrane surface to be coated is pretreated with an amphoteric material. Thereafter, the treated surfa ...


2
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 ...


3
Giuseppe Bianchi, Vittorio De Nora, Patrizio Gallone, Antonio Nidola: Valve metal electrode with valve metal oxide semi-conductive face. Oronzio de Nora Impianti Elettrochimici S p A, Hammond & Littell, April 6, 1976: US03948751 (25 worldwide citation)

Describes chlorine resistant metal electrodes, preferably of valve metals such as titanium and tantalum, having coatings of mixed metal oxides, preferably valve metal oxides, which have been doped to provide semi-conducting surfaces on the electrodes, which coatings also have the capacity to catalyz ...


4
Giuseppe Bianchi, Antonio Nidola, Gian N Martelli: Process for preparing electrochemical material. Oronzio de Nora Impianti Elettrochimici S p A, Pollock Vande Sande & Priddy, July 26, 1983: US04395436 (21 worldwide citation)

A process for preparing an electroconductive metal coating on a substrate wherein precursor compounds capable of decomposing to form an electroconductive coating are subjected to localized high intensive heat, followed by rapid cooling, while maintaining the bulk of the substrate and/or the surround ...


5
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 ...


6
Alberto Pellegri, Placido M Spaziante: Bipolar separator for electrochemical cells and method of preparation thereof. Oronzio de Nora Impianti Elettrochimici S p A, Hammond & Littell Weissenberger and Muserlian, August 12, 1980: US04217401 (18 worldwide citation)

An improved electrically conductive, composite bipolar separator for electrochemical cells comprising a molded aggregate of an electrically conductive aggregate of powdered electrically conductive material and a chemically resistant resin with a vertical array of electrically conductive valve metal ...


7
Anthony B LaConti, Thomas G Coker: Multi-layer electrode membrane-assembly and electrolysis process using same. Oronzio de Nora Impianti Elettrochimici S p A, Pollock Vande Sande & Priddy, June 7, 1988: US04749452 (12 worldwide citation)

A unitary membrane-electrode assembly includes an electrode structure with multiple layers having different overvoltages for the desired electrochemical reaction. In the preferred arrangement the layer attached to the membrane has the higher overvoltage thereby preferentially locating the reaction z ...


8
Oronzio De Nora, Vittorio De Nora: Bipolar electrolysis cells with perforate metal anodes and baffles to deflect anodic gases away from the interelectrodic gap. Oronzio De Nora Impianti Elettrochimici S p A, Hammond & Littell, January 6, 1976: US03930981 (11 worldwide citation)

Describes electrolysis diaphragm cells with substantially vertical, dimensionally stable, valve metal anodes and steel cathodes forming substantially vertical interelectrodic gaps therebetween with grooved, slotted, reticulated or rod type anodes and baffles on either the front or back, or on both t ...


9
Vittorio de Nora: Method of operating an electrolysis cell. Oronzio de Nora Impianti Elettrochimici S p A, Hammond & Littell, December 27, 1977: US04065367 (11 worldwide citation)

Describes a diaphragm electrolysis cell and method of operation in which water vapor is continuously or intermittently condensed on the cathode side of the diaphragm surface to dilute and remove the hydroxide containing film which forms on the cathode side of the diaphragm surface.


10
Vittorio De Nora: Electrolysis cell. Oronzio de Nora Impianti Elettrochimici S p A, Hammond & Littell, August 24, 1976: US03976556 (11 worldwide citation)

Describes a diaphragm electrolysis cell and method of operation in which water vapor is continuously or intermittently condensed on the cathode side of the diaphragm surface to dilute and remove the hydroxide containing film which forms on the cathode side of the diaphragm surface.