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Duesseldorf, DE
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last 30 patents
Information
Patent Grant
Iron phosphating using substituted monocarboxylic acids
Patent number
5,919,318
Issue date
Jul 6, 1999
Henkel Kommanditgesellschaft auf Aktien
Karl-Dieter Brands
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Nickel-free phosphating process
Patent number
5,792,283
Issue date
Aug 11, 1998
Henkel Kommanditgesellschaft auf Aktien
Wolf-Achim Roland
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Process for phosphating galvanized steel surfaces
Patent number
5,503,733
Issue date
Apr 2, 1996
Henkel Kommanditgesellschaft auf Aktien
Horst-Dieter Speckmann
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Process for phosphating metallic surfaces
Patent number
5,401,381
Issue date
Mar 28, 1995
Henkel Kommanditgesellschaft auf Aktien
Reinhard Seidel
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Process for the passivating post-treatment of phosphatized metal su...
Patent number
5,391,240
Issue date
Feb 21, 1995
Henkel Kommanditgesellschaft auf Aktien
Reinhard Seidel
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Titanium free composition and process for activating metal surfaces...
Patent number
5,112,414
Issue date
May 12, 1992
Henkel Kommanditgesellschaft auf Aktien
Karl-Dieter Brands
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Titanium free composition and process for activating metal surfaces...
Patent number
5,039,362
Issue date
Aug 13, 1991
Henkel Kommanditgesellschaft auf Aktien
Karl-Dieter Brands
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Composition and process for activating metal surfaces prior to zinc...
Patent number
4,957,568
Issue date
Sep 18, 1990
Henkel Kommanditgesellschaft auf Aktien
Helmut Endres
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Foam inhibitors for aqueous dispersions and solutions of synthetic...
Patent number
4,655,961
Issue date
Apr 7, 1987
Henkel Kommanditgesellschaft auf Aktien
Juan C. Wuhrmann
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Foam inhibitors for aqueous synthetic resin compositions
Patent number
4,655,960
Issue date
Apr 7, 1987
Henkel Kommanditgesellschaft auf Aktien
Juan C. Wuhrmann
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Paraffin-containing defoaming compositions and detergent compositio...
Patent number
4,599,189
Issue date
Jul 8, 1986
Henkel Kommanditgesellschaft auf Aktien
Juan C. Wuhrmann
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL