Erik Klaus

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Kelkheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
3-amidochromanylsulfonyl(thio)ureas, processes for their preparatio...
- Patent number 5,849,755
- Issue date Dec 15, 1998
- Hoechst Aktiengesellschaft
- Heinrich Christian Englert
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Substituted chromanysulfonyl (thio) ureas, processing for their pre...
- Patent number 5,811,448
- Issue date Sep 22, 1998
- Hoechst Aktiengesellschaft
- Heinrich Christian Englert
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Use of substituted 3,4-dihydro-2H-benzopyrans as remedies for obstr...
- Patent number 5,364,878
- Issue date Nov 15, 1994
- Hoechst Aktiengesellschaft
- Heinrich C. Englert
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Arylcarbonylaminoalkyl-dihydro-oxo-pyridines, their production and...
- Patent number 5,360,808
- Issue date Nov 1, 1994
- Hoechst Aktiengesellschaft
- Heinrich Englert
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2,3,4,5-tetrahydro-1-benzoxepins, the use thereof and pharmaceutica...
- Patent number 5,194,442
- Issue date Mar 16, 1993
- Hoechst Aktiengesellschaft
- Roland Utz
- C07 - ORGANIC CHEMISTRY