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Patents Grants
last 30 patents
Information
Patent Grant
Process for purifying propanediol-1,3
Patent number
5,008,473
Issue date
Apr 16, 1991
Ruhrchemie Aktiengesellschaft
Norbert Breitkopf
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of 2,2-dimethylpropanediol-1,3
Patent number
4,918,247
Issue date
Apr 17, 1990
Ruhrchemie Aktiengesellschaft
Norbert Breitkopf
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Mineral oils and mineral oil distillates having improved flowabilit...
Patent number
4,862,908
Issue date
Sep 5, 1989
Ruhrchemie Aktiengesellschaft
Wolfgang Payer
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for the preparation of aldehydes
Patent number
4,808,757
Issue date
Feb 28, 1989
Ruhrchemie Aktiengesellschaft
Boy Cornils
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Hydroformylation process
Patent number
4,808,758
Issue date
Feb 28, 1989
Ruhrchemie Aktiengesellschaft
Hanswilhelm Bach
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Hydroformylation process
Patent number
4,801,754
Issue date
Jan 31, 1989
Ruhrchemie Aktiengesellschaft
Hanswilhelm Bach
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Rhodium catalysts and methods of preparation and use thereof
Patent number
4,795,727
Issue date
Jan 3, 1989
Ruhrchemie Aktiengesellschaft
Hanswilhelm Bach
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Ethylene copolymers
Patent number
4,772,673
Issue date
Sep 20, 1988
Ruhrchemie Aktiengesellschaft
John Hobes
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for producing synthesis gas by partial oxidation of coal-wa...
Patent number
4,752,303
Issue date
Jun 21, 1988
Ruhrchemie Aktiengesellschaft
Winfried Materne
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for the preparation of aldehydes
Patent number
4,740,626
Issue date
Apr 26, 1988
Ruhrchemie Aktiengesellschaft
Helmut Bahrmann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for hydroformylation with rhodium catalysts and the separat...
Patent number
4,731,485
Issue date
Mar 15, 1988
Ruhrchemie Aktiengesellschaft
Boy Cornils
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of nonadecanediols
Patent number
4,723,047
Issue date
Feb 2, 1988
Ruhrchemie Aktiengesellschaft
Helmut Bahrmann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Quaternary ammonium salts of sulfonated triarylphosphines and proce...
Patent number
4,710,321
Issue date
Dec 1, 1987
Ruhrchemie Aktiengesellschaft
Helmut Bahrmann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process and apparatus for the preparation of ammonium nitrate
Patent number
4,699,773
Issue date
Oct 13, 1987
Ruhrchemie Aktiengesellschaft
Klaus Ulrichs
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of 2-ethyl-hexanol
Patent number
4,684,750
Issue date
Aug 4, 1987
Ruhrchemie Aktiengesellschaft
Gunther Kessen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Quaternary ammonium salts of sulfonated triarylphosphines and proce...
Patent number
4,673,535
Issue date
Jun 16, 1987
Ruhrchemie Aktiengesellschaft
Helmut Bahrmann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the homo- and copolymerization of ethylene
Patent number
4,663,301
Issue date
May 5, 1987
Ruhrchemie Aktiengesellschaft
Hermann Morguet
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the purification of sulfonated aryl phosphines
Patent number
4,623,490
Issue date
Nov 18, 1986
Ruhrchemie Aktiengesellschaft
Ludger Bexten
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of aldehydes
Patent number
4,616,096
Issue date
Oct 7, 1986
Ruhrchemie Aktiengesellschaft
Boy Cornils
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing aldehydes
Patent number
4,593,126
Issue date
Jun 3, 1986
Ruhrchemie Aktiengesellschaft
Boy Cornils
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the homo- and copolymerization of ethylene
Patent number
4,590,247
Issue date
May 20, 1986
Ruhrchemie Aktiengesellschaft
Hermann Morguet
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of aldehydes
Patent number
4,578,523
Issue date
Mar 25, 1986
Ruhrchemie Aktiengesellschaft
Helmut Bahrmann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of aldehydes
Patent number
4,577,043
Issue date
Mar 18, 1986
Ruhrchemie Aktiengesellschaft
Heinz Kalbfell
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the manufacture of unsaturated hydrocarbons
Patent number
4,564,642
Issue date
Jan 14, 1986
Ruhrchemie Aktiengesellschaft
Bernd Bussemeier
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process and apparatus for producing plastic pipe
Patent number
4,547,142
Issue date
Oct 15, 1985
Ruhrchemie Aktiengesellschaft
Clemens Arenhovel
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process and device for the discharge of ash-containing fuel residues
Patent number
4,541,840
Issue date
Sep 17, 1985
Ruhrchemie Aktiengesellschaft
Josef Hibbel
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for the hydroformylation of olefins
Patent number
4,533,755
Issue date
Aug 6, 1985
Ruhrchemie Aktiengesellschaft
Boy Cornils
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for purifying N,N-dimethylaminopropylamine
Patent number
4,532,354
Issue date
Jul 30, 1985
Ruhrchemie Aktiengesellschaft
Boy Cornils
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing free-flowing ethylene homopolymers or copolym...
Patent number
4,529,132
Issue date
Jul 16, 1985
Ruhrchemie Aktiengesellschaft
John Hobes
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the production of a coal-water suspension which is suit...
Patent number
4,526,588
Issue date
Jul 2, 1985
Ruhrchemie Aktiengesellschaft
Jurgen Lusch
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Trademark
last 30 trademarks
Information
Trademark
73274810 - ICELIFE
Serial number
73274810
Registration number
1192547
Filing date
Aug 19, 1980
Ruhrchemie Aktiengesellschaft
19 - Building materials (non-metallic)
Information
Trademark
73245359 - ICELIFE
Serial number
73245359
Registration number
1178148
Filing date
Jan 7, 1980
Ruhrchemie Aktiengesellschaft
19 - Building materials (non-metallic)
Information
Trademark
73142601 - SYNOL
Serial number
73142601
Registration number
1124828
Filing date
Oct 25, 1977
RUHRCHEMIE AKTIENGESELLSCHAFT
4 - Industrial oils and greases
Information
Trademark
73025369 - CHIRULEN
Serial number
73025369
Registration number
1044605
Filing date
Jun 26, 1974
RUHRCHEMIE AKTIENGESELLSCHAFT
5 - Pharmaceutical and veterinary preparations
Information
Trademark
72170225 - WACHS R21
Serial number
72170225
Registration number
787686
Filing date
Jun 3, 1963
RUHRCHEMIE AKTIENGESELLSCHAFT
3 - Bleaching preparations and other substances for laundry use
Information
Trademark
72170226 - WACHS R21
Serial number
72170226
Registration number
788321
Filing date
Jun 3, 1963
RUHRCHEMIE AKTIENGESELLSCHAFT
3 - Bleaching preparations and other substances for laundry use
Information
Trademark
72170224 - WACHS R21
Serial number
72170224
Registration number
787685
Filing date
Jun 3, 1963
RUHRCHEMIE AKTIENGESELLSCHAFT
3 - Bleaching preparations and other substances for laundry use