Bruno Zinz

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Cologne, DE

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Patents Grantslast 30 patents

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Condensation products of terphenylsulphonic acids, naphthalenesulph...
- Patent number 4,245,996
- Issue date Jan 20, 1981
- Bayer Aktiengesellschaft
- Franz Schade
- C14 - SKINS HIDES PELTS LEATHER