Kjell Erik Kumlin

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Karlstad, SE

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Patents Grantslast 30 patents

Information Patent Grant
Pigment compositions and process of shading
- Patent number 6,620,235
- Issue date Sep 16, 2003
- Ciba Specialty Chemicals Corporation
- Ian William Knowles
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
Pigment compositions and process of shading
- Publication number 20040040682
- Publication date Mar 4, 2004
- Ian William Knowles
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE