Michel Dien

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Rixheim, FR

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Patents Grantslast 30 patents

Information Patent Grant
Dyeing and printing of leather
- Patent number 5,002,586
- Issue date Mar 26, 1991
- Sandoz Ltd.
- Michel Dien
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Compositions for the dyeing of leather
- Patent number 4,834,769
- Issue date May 30, 1989
- Sandoz Ltd.
- Michel Dien
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Method for dyeing leather with water-soluble sulpho group-containin...
- Patent number 4,717,390
- Issue date Jan 5, 1988
- Sandoz Ltd.
- Michel Dien
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...