Gunther Zwahlen

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Dornach, CH

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Patents Grantslast 30 patents

Information Patent Grant
Method for the production of a pigment preparation for coloring lin...
- Patent number 4,279,802
- Issue date Jul 21, 1981
- Ciba-Geigy Corporation
- Andreas Laely
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the mass coloration or whitening of linear polyesters
- Patent number 4,093,584
- Issue date Jun 6, 1978
- Ciba-Geigy Corporation
- Gunther Zwahlen
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Process for the manufacture of dustless, readily dispersible pigmen...
- Patent number 4,055,439
- Issue date Oct 25, 1977
- Ciba-Geigy Corporation
- Fridolin Babler
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...