Gerhard Collardin GmbH

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Cologne, DE

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Patents Grantslast 30 patents

Information Patent Grant
Chromium free treatment before coating metal surfaces
- Patent number 5,026,440
- Issue date Jun 25, 1991
- Gerhard Collardin GmbH
- Cornelia Finnenthal
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Process for desludging phosphating baths and device for carrying ou...
- Patent number 4,968,360
- Issue date Nov 6, 1990
- Gerhard Collardin GmbH
- Kurt Hosemann
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Anticorrosive agents and use thereof
- Patent number 4,956,016
- Issue date Sep 11, 1990
- Gerhard Collardin GmbH
- Reinhard Opitz
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Process for phosphating metal surfaces
- Patent number 4,944,813
- Issue date Jul 31, 1990
- Gerhard Collardin GmbH
- Kurt Hosemann
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Phosphate conversion coatings for composite metals
- Patent number 4,775,427
- Issue date Oct 4, 1988
- Gerhard Collardin GmbH
- Heinz Portz
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Process for phosphating electrolytically zinc-coated metals
- Patent number 4,762,572
- Issue date Aug 9, 1988
- Gerhard Collardin GmbH
- Raschad Mady
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Process and aqueous compositions for treating metal surfaces
- Patent number 4,761,189
- Issue date Aug 2, 1988
- Gerhard Collardin GmbH
- Raschad Mady
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Phosphate conversion coating accelerators
- Patent number 4,680,064
- Issue date Jul 14, 1987
- Gerhard Collardin GmbH
- Heinz Portz
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Electrolyte stabilization of latices
- Patent number 4,639,319
- Issue date Jan 27, 1987
- Gerhard Collardin GmbH
- Lutz Schellenberg
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Autodeposition post-bath rinse process
- Patent number 4,636,264
- Issue date Jan 13, 1987
- Gerhard Collardin GmbH
- Lutz Schellenberg
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Process for the zinc/calcium phosphatizing of metal surfaces at low...
- Patent number 4,622,078
- Issue date Nov 11, 1986
- Gerhard Collardin GmbH
- Reinhard Opitz
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Aqueous electrolytes and method for electrodepositing nickel-cobalt...
- Patent number 4,565,611
- Issue date Jan 21, 1986
- Gerhard Collardin GmbH
- Heinz Wagner
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Phosphating process for zinc-plated metals
- Patent number 4,497,668
- Issue date Feb 5, 1985
- Gerhard Collardin GmbH
- Raschad Mady
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method of treating metal surfaces prior to phosphatization
- Patent number 4,384,900
- Issue date May 24, 1983
- Gerhard Collardin GmbH
- Hans Gotta
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Process for the production of conversion layers on metal surfaces b...
- Patent number 4,326,894
- Issue date Apr 27, 1982
- Gerhard Collardin GmbH
- Wolfgang Konnert
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Gerhard Collardin GmbH

Organization

Patents Grantslast 30 patents

Chromium free treatment before coating metal surfaces

Process for desludging phosphating baths and device for carrying ou...

Anticorrosive agents and use thereof

Process for phosphating metal surfaces

Phosphate conversion coatings for composite metals

Process for phosphating electrolytically zinc-coated metals

Process and aqueous compositions for treating metal surfaces

Phosphate conversion coating accelerators

Electrolyte stabilization of latices

Autodeposition post-bath rinse process

Process for the zinc/calcium phosphatizing of metal surfaces at low...

Aqueous electrolytes and method for electrodepositing nickel-cobalt...

Phosphating process for zinc-plated metals

Method of treating metal surfaces prior to phosphatization

Process for the production of conversion layers on metal surfaces b...