Karlheinz Keller

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Riehen, CH

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Patents Grantslast 30 patents

Information Patent Grant
Process for dyeing pre-cleaned cellulose fiber material
- Patent number 4,277,247
- Issue date Jul 7, 1981
- Ciba-Geigy Corporation
- Karlheinz Keller
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Dyeing assistants and their use in dyeing synthetic fibre material
- Patent number 4,252,534
- Issue date Feb 24, 1981
- Ciba-Geigy Corporation
- Heinz Abel
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Process for dyeing or printing aromatic polyamide fibres
- Patent number 4,066,395
- Issue date Jan 3, 1978
- Ciba-Geigy Corporation
- Charles Soiron
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...