Theodor Volker

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Fribourg, CH

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Patents Grantslast 30 patents

Information Patent Grant
Process for the production of 4, 4'-(phenylene-diisopropyl)-bis(2,...
- Patent number 5,488,163
- Issue date Jan 30, 1996
- Lonza Ltd.
- Peter Hardt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Chain-lengthening agents for p-phenylene-methylenediisocyanate-prep...
- Patent number 5,026,815
- Issue date Jun 25, 1991
- Lonza Ltd.
- Theodor Volker
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Substituted P,P'-methylene-bis-aniline
- Patent number 4,978,791
- Issue date Dec 18, 1990
- Lonza Ltd.
- Theodor Volker
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Substituted p,p'-methylene-bis-anilines
- Patent number 4,950,792
- Issue date Aug 21, 1990
- Lonza Ltd.
- Hans Althaus
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Stablizer mixtures for vinyl chloride polymer masses
- Patent number 4,717,747
- Issue date Jan 5, 1988
- Lonza Ltd.
- Theodor Volker
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of self-cross-linking lacquers
- Patent number 4,048,130
- Issue date Sep 13, 1977
- Lonza Ltd.
- Marcel Brunold
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...