Jurg Kiefer

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Reinach, CH

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Patents Grantslast 30 patents

Information Patent Grant
Process for the production of diphosphaspiro compounds
- Patent number 4,402,882
- Issue date Sep 6, 1983
- Ciba-Geigy Corporation
- Jurg Kiefer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Heat-curable mixtures based on polyimides and poly-.beta.-iminocrot...
- Patent number 4,247,672
- Issue date Jan 27, 1981
- Ciba-Geigy Corporation
- Theobald Haug
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing aliphatically N-substituted maleimides
- Patent number 4,229,351
- Issue date Oct 21, 1980
- Ciba-Geigy Corporation
- Jurg Kiefer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the manufacture of maleimides
- Patent number 4,130,564
- Issue date Dec 19, 1978
- Ciba-Geigy Corporation
- Theobald Haug
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Thermosetting mixtures which are stable on storage from polyimide a...
- Patent number 4,089,845
- Issue date May 16, 1978
- Ciba-Geigy Corporation
- Theobald Haug
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Mixtures containing prepolymers, which can be converted to heat-res...
- Patent number 3,947,385
- Issue date Mar 30, 1976
- Ciba-Geigy Corporation
- Andre Schmitter
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...