Erwin Ungermann

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Steinbach, Taunus, DT

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Patents Grantslast 30 patents

Information Patent Grant
Liquid preparations of reactive dyestuffs
- Patent number 4,078,884
- Issue date Mar 14, 1978
- Hoechst Aktiengesellschaft
- Konrad Opitz
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...