Hermann Fischer

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Leverkusen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the production of diisocyanatodiphenyl methane isomers...
- Patent number 4,189,354
- Issue date Feb 19, 1980
- Bayer Aktiengesellschaft
- Gunther Ellendt
- C07 - ORGANIC CHEMISTRY