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RWE-DEA Aktiengesellschaft fuer Mineraloel und Chemie
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2000 Hamburg 60, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Amphiphilic compounds with at least two hydrophilic and at least tw...
Patent number
6,342,625
Issue date
Jan 29, 2002
RWE-DEA Aktiengesellschaft fuer Mineraloel und Chemie
Klaus Kwetkat
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Amphiphilic compounds with at least two hydrophilic and at least tw...
Patent number
6,323,363
Issue date
Nov 27, 2001
RWE-DEA Aktiengesellschaft fuer Mineraloel und Chemie
Klaus Kwetkat
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Amphiphilic compounds with at least two hydrophilic and at least tw...
Patent number
6,316,396
Issue date
Nov 13, 2001
RWE-DEA Aktiengesellschaft fuer Mineraloel und Chemie
Klaus Kwetkat
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Esters of aromatic polycarboxylic acids with 2-alkylalkan-1-ols
Patent number
6,310,234
Issue date
Oct 30, 2001
RWE-DEA Aktiengesellschaft fuer Mineraloel und Chemie
Albert Thomas Herrmann
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for the manufacture of dispersible alumino-silicates
Patent number
6,245,310
Issue date
Jun 12, 2001
RWE-DEA Aktiengesellschaft fuer Mineraloel und Chemie
Andrea Brasch
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Liquid composition and its use as magneto-rheological liquid
Patent number
6,245,253
Issue date
Jun 12, 2001
RWE-DEA Aktiengesellschaft fuer Mineraloel und Chemie
Hans-Dieter Grasshoff
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for preparing mono-, Di- or oligoamide alkoxylates
Patent number
6,211,409
Issue date
Apr 3, 2001
RWE-DEA Aktiengesellschaft fuer Mineraloel und Chemie
Ulrike Jacobs
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Use of anionic gemini tensides in formulations for washing, cleanin...
Patent number
6,156,721
Issue date
Dec 5, 2000
RWE-DEA Aktiengesellschaft fuer Mineraloel und Chemie
Klaus Kwetkat
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for producing odorless dimethyl ether
Patent number
5,316,627
Issue date
May 31, 1994
RWE-DEA Aktiengesellschaft fuer Mineraloel und Chemie
Hartmut Hammer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing C.sub.3 -C.sub.4 monoalkylchlorides
Patent number
5,132,476
Issue date
Jul 21, 1992
RWE-DEA Aktiengesellschaft fuer Mineraloel und Chemie
Gunther Osterburg
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Trademark
last 30 trademarks
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Trademark
75142071 - LINPLAST
Serial number
75142071
Registration number
2097278
Filing date
Jul 30, 1996
RWE-DEA Aktiengesellschaft fuer Mineraloel und Chemie
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
75096960
Serial number
75096960
Registration number
2224889
Filing date
Apr 24, 1996
RWE-DEA Aktiengesellschaft fuer Mineraloel und Chemie
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
75021030 - DOROX
Serial number
75021030
Registration number
2008544
Filing date
Nov 16, 1995
RWE-DEA Aktiengesellschaft fuer Mineraloel und Chemie
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
74263794 - DOROX
Serial number
74263794
Filing date
Apr 8, 1992
RWE-DEA Aktiengesellschaft fuer Mineraloel und Chemie
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
74263795 - NOVAMIN
Serial number
74263795
Registration number
1872122
Filing date
Apr 8, 1992
RWE-DEA Aktiengesellschaft fuer Mineraloel und Chemie
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry