ORONZIO DENORA IMPIANTI ELECTROCHIMICI, S.P.A., A CORP OF ITALY
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- May 23, 1989 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 690 Total Citation Count
- Jul 06, 1978 Earliest Filing
- 21 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
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Recent Publications
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Recent Patents
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Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
4832805 Multi-layer structure for electrode membrane-assembly and electrolysis process using sameExpiredNov 16, 82May 23, 89[C25B]
4772364 Production of halogens by electrolysis of alkali metal halides in an electrolysis cell having catalytic electrodes bonded to the surface of a solid polymer electrolyte membraneExpiredMay 27, 80Sep 20, 88[C25B]
4749452 Multi-layer electrode membrane-assembly and electrolysis process using sameExpiredDec 30, 81Jun 07, 88[C25B]
4569735 Production of halogens by electrolysis of alkali metal halides in an electrolysis cell having catalytic electrodes bonded to the surface of a solid polymer electrolyte membraneExpiredDec 23, 83Feb 11, 86[C25B]
4457823 Thermally stabilized reduced platinum oxide electrocatalystExpiredJan 19, 81Jul 03, 84[C25C, C25B]
4455210 Multi layer ion exchanging membrane with protected interior hydroxyl ion rejection layerExpiredNov 03, 82Jun 19, 84[C25B]
4402806 Multi layer ion exchanging membrane with protected interior hydroxyl ion rejection layerExpiredMar 04, 82Sep 06, 83[C25B]
4371433 Apparatus for reduction of shunt current in bipolar electrochemical cell assembliesExpiredOct 14, 80Feb 01, 83[C25B, H01M]
4311568 Anode for reducing oxygen generation in the electrolysis of hydrogen chlorideExpiredApr 02, 80Jan 19, 82[C25B]
4294671 High temperature and low feed acid concentration operation of HCl electrolyzer having unitary membrane electrode structureExpiredMay 14, 80Oct 13, 81[C25B]
4276146 Cell having catalytic electrodes bonded to a membrane separatorExpiredDec 07, 79Jun 30, 81[C25B]
4247376 Current collecting/flow distributing, separator plate for chloride electrolysis cells utilizing ion transporting barrier membranesExpiredJan 02, 79Jan 27, 81[C25B]
4224121 Production of halogens by electrolysis of alkali metal halides in an electrolysis cell having catalytic electrodes bonded to the surface of a solid polymer electrolyte membraneExpiredJul 06, 78Sep 23, 80[C25B]
4214958 Electrolysis of alkali metal halides in a three-compartment cell with a pressurized buffer compartmentExpiredMay 14, 79Jul 29, 80[C25B]
4212714 Electrolysis of alkali metal halides in a three compartment cell with self-pressurized buffer compartmentExpiredMay 14, 79Jul 15, 80[C25B]
4210501 Generation of halogens by electrolysis of hydrogen halides in a cell having catalytic electrodes bonded to a solid polymer electrolyteExpiredJul 06, 78Jul 01, 80[C25B]
4209368 Production of halogens by electrolysis of alkali metal halides in a cell having catalytic electrodes bonded to the surface of a porous membrane/separatorExpiredAug 07, 78Jun 24, 80[C25B]
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