Chem. pharmaz. Fabrik Dr. Hermann Thiemann GmbH

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Patents Grantslast 30 patents

Information Patent Grant
Dithia-tetraazacyclooctane-tetraoxides
- Patent number 3,996,242
- Issue date Dec 7, 1976
- Chem. Pharmaz. Fabrik Dr. Hermann Thiemann GmbH
- Jurgen Dusemund
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
11H,12H-[1]benzopyrano[2,3-b][1]benzopyran-11,12-dione and derivatives
- Patent number 3,978,081
- Issue date Aug 31, 1976
- Chem. pharmaz. Fabrik Dr. Hermann Thiemann GmbH
- Fritz Eiden
- C07 - ORGANIC CHEMISTRY