Walter Bertkau

Person

Ludwigshafen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Production of leather
- Patent number 11,001,902
- Issue date May 11, 2021
- BASF SE
- Walter Bertkau
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Grant
Process for acidizing using retarded acid formulations
- Patent number 10,131,831
- Issue date Nov 20, 2018
- BASF SE
- Shawn Rimassa
- E21 - EARTH DRILLING MINING
Information Patent Grant
Alkanesulfonic acid microcapsules and use thereof in deep wells
- Patent number 8,863,841
- Issue date Oct 21, 2014
- BASF SE
- Walter Bertkau
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method of passivating metallic surfaces by means of copolymers havi...
- Patent number 8,568,522
- Issue date Oct 29, 2013
- BASF SE
- Frank Klippel
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Continuous method for treating the surface of metal strips
- Patent number 8,372,216
- Issue date Feb 12, 2013
- BASF SE
- Guido Vandermeulen
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Method for coating metals
- Patent number 8,163,395
- Issue date Apr 24, 2012
- BASF SE
- Helmut Witteler
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Method for the passivation of metal surfaces with compositions comp...
- Patent number 7,905,964
- Issue date Mar 15, 2011
- BASF SE
- Helmut Witteler
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for the passivation of metal surfaces with polymers containi...
- Patent number 7,749,337
- Issue date Jul 6, 2010
- BASF SE
- Helmut Witteler
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR ACIDIZING USING RETARDED ACID FORMULATIONS
- Publication number 20170037304
- Publication date Feb 9, 2017
- BASF SE
- Shawn Rimassa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
PRODUCTION OF LEATHER
- Publication number 20150376726
- Publication date Dec 31, 2015
- BASF SE
- Walter BERTKAU
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Application
Process For Dissolving Deposits Comprising Alkaline Earth Metal Sul...
- Publication number 20150175872
- Publication date Jun 25, 2015
- BASF SE
- Walter Bertkau
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
ALKANESULFONIC ACID MICROCAPSULES AND USE THEREOF IN DEEP WELLS
- Publication number 20120222863
- Publication date Sep 6, 2012
- BASF SE
- Walter BERTKAU
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
METHOD FOR PASSIVATING A METALLIC SURFACE
- Publication number 20120080120
- Publication date Apr 5, 2012
- BASF SE
- Achim Feßenbecker
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
CONTINUOUS METHOD FOR TREATING THE SURFACE OF METAL STRIPS
- Publication number 20110017352
- Publication date Jan 27, 2011
- BASF SE
- Guido Vandermeulen
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
METHOD FOR COATING ZINC-PLATED STEEL STRIPS WITH AQUEOUS FORMULATIO...
- Publication number 20100224286
- Publication date Sep 9, 2010
- BASF SE
- Walter Bertkau
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
METHOD OF PASSIVATING METALLIC SURFACES BY MEANS OF COPOLYMERS HAVI...
- Publication number 20090324839
- Publication date Dec 31, 2009
- BASF SE Patents, Trademarks and Licenses
- Frank Klippel
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Method for Coating Metals
- Publication number 20090208735
- Publication date Aug 20, 2009
- BASF Aktiengesellschaft
- Helmut Witteler
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Method for Producing Painted, Flat Metallic Moulded Bodies
- Publication number 20080197020
- Publication date Aug 21, 2008
- BASF Aktiengesellschaft
- Helmut Witteler
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Method For the Passivation of Metal Surfaces With Compositions Comp...
- Publication number 20080199714
- Publication date Aug 21, 2008
- BASF Aktiengesellschaft
- Helmut Witteler
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Detachable Protecting Films
- Publication number 20080152820
- Publication date Jun 26, 2008
- BASF Aktiengesellschaft
- Helmut Witteler
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Method for the Passivation of Metal Surfaces with Polymers Containi...
- Publication number 20070240792
- Publication date Oct 18, 2007
- BASF Aktiengesellschaft
- Helmut Witteler
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Walter Bertkau

Person

Patents Grantslast 30 patents

Production of leather

Process for acidizing using retarded acid formulations

Alkanesulfonic acid microcapsules and use thereof in deep wells

Method of passivating metallic surfaces by means of copolymers havi...

Continuous method for treating the surface of metal strips

Method for coating metals

Method for the passivation of metal surfaces with compositions comp...

Method for the passivation of metal surfaces with polymers containi...

Patents Applicationslast 30 patents

PROCESS FOR ACIDIZING USING RETARDED ACID FORMULATIONS

PRODUCTION OF LEATHER

Process For Dissolving Deposits Comprising Alkaline Earth Metal Sul...

ALKANESULFONIC ACID MICROCAPSULES AND USE THEREOF IN DEEP WELLS

METHOD FOR PASSIVATING A METALLIC SURFACE

CONTINUOUS METHOD FOR TREATING THE SURFACE OF METAL STRIPS

METHOD FOR COATING ZINC-PLATED STEEL STRIPS WITH AQUEOUS FORMULATIO...

METHOD OF PASSIVATING METALLIC SURFACES BY MEANS OF COPOLYMERS HAVI...

Method for Coating Metals

Method for Producing Painted, Flat Metallic Moulded Bodies

Method For the Passivation of Metal Surfaces With Compositions Comp...

Detachable Protecting Films

Method for the Passivation of Metal Surfaces with Polymers Containi...