Leonhard Heckl

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Besigheim, DT

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Patents Grantslast 30 patents

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Red pigment obtained by coupling diazotized 4-aminonaphthalimide wi...
- Patent number 4,052,378
- Issue date Oct 4, 1977
- BASF Farben + Fasern AG
- Leonhard Heckl
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...