The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 10, 1998
Filed:
Dec. 05, 1996
Applicant:
Inventors:
Assignee:
L'Oreal, Paris, FR;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
548483 ; 548484 ; 548485 ; 548486 ; 548490 ; 548491 ;
Abstract
The present invention relates to a novel process for the preparation of a monohydroxyindole or dihydroxyindole compound by a single step of placing in contact, in a solvent medium, at least one hydrolase with at least one indole compound bearing one or two radicals connected by an ester function to the benzene ring.