C - Chemistry – Metallurgy – 10 – C
Patent
C - Chemistry, Metallurgy
10
C
C10C 1/04 (2006.01) A61K 8/97 (2006.01) A61K 35/04 (2006.01) A61Q 19/00 (2006.01) B60K 15/05 (2006.01) C10C 1/08 (2006.01) C10C 1/16 (2006.01) C10C 3/06 (2006.01)
Patent
CA 2284871
The invention concerns a coal tar extract with reduced polycyclic aromatic hydrocarbon content and a method for obtaining same using two sequentially linked distillation systems. The invention also concerns cosmetic and dermatological preparations containing said resulting coal tar extract .
La présente invention concerne un extrait de goudron de houille à teneur réduite en hydrocarbures aromatiques polycycliques et son procédé d'obtention mettant en oeuvre au moins deux systèmes de distillation reliés en série. La présente invention concerne également les préparations cosmétiques et dermatologiques contenant l'extrait de goudron de houille selon l'invention.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Pierre Fabre Dermo-Cosmetique
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