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Patents Grants
last 30 patents
Information
Patent Grant
Process for bulk polymerization
Patent number
4,299,935
Issue date
Nov 10, 1981
Rhone-Progil
Jean Chatelain
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Vertical autoclave for bulk polymerization of vinyl chloride
Patent number
4,277,585
Issue date
Jul 7, 1981
Rhone-Progil
Francis Fournel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Vertical autoclave for bulk polymerization of vinyl chloride based...
Patent number
4,198,376
Issue date
Apr 15, 1980
Rhone-Progil
Francis Fournel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Catalysts for treating gases containing sulphur compounds
Patent number
4,141,962
Issue date
Feb 27, 1979
Rhone-Progil
Georges Dupuy
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Alumina-based bodies with large pores, produced by agglomeration
Patent number
4,124,699
Issue date
Nov 7, 1978
Rhone-Progil
Max Michel
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method of separating chlorinated aliphatic hydrocarbons from mixtur...
Patent number
4,121,978
Issue date
Oct 24, 1978
Rhone-Progil
Jacques Becuwe
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of preparing phthalic anhydride
Patent number
4,119,645
Issue date
Oct 10, 1978
Rhone-Progil
Michel Auroy
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polyurethane latexes from sulfonate prepolymer, aqueous chain exten...
Patent number
4,110,284
Issue date
Aug 29, 1978
Rhone-Progil
Robert Violland
C14 - SKINS HIDES PELTS LEATHER
Information
Patent Grant
Bulk polymerization of vinyl chloride to control grain size
Patent number
4,104,457
Issue date
Aug 1, 1978
Rhone-Progil
Daniel Debord
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for manufacture of tertiary amines
Patent number
4,096,150
Issue date
Jun 20, 1978
Rhone-Progil
Jean Berthoux
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Graft polymers and compositions of high impact strength
Patent number
4,078,018
Issue date
Mar 7, 1978
Rhone-Progil
Bernard Chauvel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of 1,2-dichloroethane in two reaction z...
Patent number
4,072,728
Issue date
Feb 7, 1978
Rhone-Progil
Jean-Raymond Costes
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Trimethylolpropane esters useful as base lubricants for motor oils
Patent number
4,061,581
Issue date
Dec 6, 1977
Institut Francais du Petrole
Gerard Leleu
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for the oxychlorination of hydrocarbons with ammonium chloride
Patent number
4,058,574
Issue date
Nov 15, 1977
Rhone-Progil
Jean-Claude Daumas
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Adducts of olefins and trichloromethane phosphonic dichloride
Patent number
4,057,578
Issue date
Nov 8, 1977
Rhone-Progil
Meir Asscher
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Adducts of olefins and trichloromethane phosphonic dichloride
Patent number
4,057,579
Issue date
Nov 8, 1977
Rhone-Progil
Meir Asscher
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Aromatic amino silanes and their polymers
Patent number
4,049,691
Issue date
Sep 20, 1977
Rhone-Progil
Francois Meiller
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Electrolysis cell electrode and method of preparation
Patent number
4,042,483
Issue date
Aug 16, 1977
Rhone-Progil
Pierre Bouy
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Cobalt oxide-based catalytic substances for the oxidation of ammonia
Patent number
4,036,935
Issue date
Jul 19, 1977
Rhone-Progil
Jean-Louis Ray
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Fire resistive plasticizer and method
Patent number
4,022,812
Issue date
May 10, 1977
Rhone-Progil
Jean-Pierre Regeaud
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method of purifying hydrogen chloride gas
Patent number
4,018,880
Issue date
Apr 19, 1977
Rhone-Progil
Yves Correia
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Coating of paper, cardboard and the like and composition
Patent number
4,010,307
Issue date
Mar 1, 1977
Rhone-Progil
Pierre Canard
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Manufacture of phosgene from chlorine obtained by oxidation of hydr...
Patent number
3,996,273
Issue date
Dec 7, 1976
Rhone-Progil
Jean-Calude Daumas
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Oxidation catalyst and process for its preparation
Patent number
3,994,833
Issue date
Nov 30, 1976
Rhone-Progil
Marcel Jouy
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the manufacture of alkali metal polyphosphates
Patent number
3,993,734
Issue date
Nov 23, 1976
Rhone-Progil
Jean-Michel Verdier
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Preparation of isopropanol and acetone
Patent number
3,987,103
Issue date
Oct 19, 1976
Rhone-Progil
Georges Gobron
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Bipolar electrodes with incorporated frames
Patent number
3,980,545
Issue date
Sep 14, 1976
Rhone-Progil
Hubert de Lachaux
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Method of manufacturing electrolysis cell diaphragms
Patent number
3,980,613
Issue date
Sep 14, 1976
Rhone-Progil
Jean Bachot
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Method of eliminating chloroacetylenes present in hydrogen chloride...
Patent number
3,979,502
Issue date
Sep 7, 1976
Rhone-Progil
Yves Correia
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Catalysts for the treatment of gases containing various derivatives...
Patent number
3,978,004
Issue date
Aug 31, 1976
Rhone-Progil
Jean-Claude Daumas
C01 - INORGANIC CHEMISTRY
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last 30 patents
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