Klaus-Dieter Leifels

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Binningen, CH

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Patents Grantslast 30 patents

Information Patent Grant
Coating compositions for the manufacture of coated papers
- Patent number 4,367,171
- Issue date Jan 4, 1983
- Ciba-Geigy AG
- Klaus D. Leifels
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for producing sized paper and cardboard with polyelectrolyt...
- Patent number 4,299,654
- Issue date Nov 10, 1981
- Ciba-Geigy Corporation
- Hugo Tlach
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for producing sized paper or cardboard with dyes or optical...
- Patent number 4,200,489
- Issue date Apr 29, 1980
- Ciba-Geigy Corporation
- Hugo Tlach
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE