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Werner De Win
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Dinslaken, DE
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last 30 patents
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Patent Grant
Process for the preparation of mixtures of oil-soluble iron and mag...
Patent number
5,145,488
Issue date
Sep 8, 1992
Hoechst Aktiengesellschaft
Jurgen Weber
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for separating copper from aqueous base solutions
Patent number
5,039,497
Issue date
Aug 13, 1991
Hoechst Aktiengesellschaft
Jurgen Weber
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Selectively absorbent layer for solar collectors, and method of mak...
Patent number
4,551,328
Issue date
Nov 5, 1985
M.A.N. Maschinenfabrik Augsburg-Nurnberg Aktiengesellschaft
Edwin Erben
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Solar-selective layers and method for producing same
Patent number
4,511,439
Issue date
Apr 16, 1985
Ruhrchemie Aktiengesellschaft
Boy Cornils
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Method for the production of homogeneous coatings of two or more me...
Patent number
4,510,182
Issue date
Apr 9, 1985
Ruhrchemie Aktiengesellschaft
Boy Cornils
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Process for improving the combustion of diesel engine fuels
Patent number
4,474,579
Issue date
Oct 2, 1984
Ruhrchemie Aktiengesellschaft
Manfred Wilderson
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method of manufacturing absorption layers for solar energy systems...
Patent number
4,473,447
Issue date
Sep 25, 1984
Man Maschinenfabrik Augsburg-Nurnberg AG
Herbert Gutwein
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Process for preparing carboxylic acids by catalytic oxidation of al...
Patent number
4,285,875
Issue date
Aug 25, 1981
Ruhrchemie Aktiengesellschaft
Boy Cornils
C07 - ORGANIC CHEMISTRY