Louis Jean-Pierre Leroy

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Saint Etienne Du Rouvray, FR

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Patents Grantslast 30 patents

Information Patent Grant
Phenyl azophenyl dyestuff
- Patent number 3,987,027
- Issue date Oct 19, 1976
- Produits Chimiques Ugine Kuhlmann
- Claude Marie Henri Brouard
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...