Knut Graf

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Hattingen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing a coating powder composition
- Patent number 6,368,725
- Issue date Apr 9, 2002
- E. I. Du Pont de Nemours and Company
- Knut Gräf
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aqueous, heat curable coating compound, its preparation and its use
- Patent number 5,852,120
- Issue date Dec 22, 1998
- Herberts GmbH
- Klaus Bederke
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aqueous coating agent, its manufacture and use for producing layers...
- Patent number 5,521,247
- Issue date May 28, 1996
- Herberts GmbH
- Klaus Dobler
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for multilayer lacquering
- Patent number 5,395,659
- Issue date Mar 7, 1995
- Herberts GmbH
- Knut Graf
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for producing storable concentrates and their use for produ...
- Patent number 4,543,375
- Issue date Sep 24, 1985
- Herberts Gesellschaft mit beschraenkter Haftung
- Klaus P. Doebler
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...