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.

Date of Patent:
May. 01, 2001

Filed:

Aug. 25, 1998
Applicant:
Inventor:

Christophe Remy, Thomery, FR;

Assignee:

L'Oreal S.A., Paris, FR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 7/48 ;
U.S. Cl.
CPC ...
A61K 7/48 ;
Abstract

A process for the preparation of a photochromic titanium oxide, by heat-treating a hydrolysed mixture of titanium chloride and a metal precursor; the titanium oxide photochromic compounds obtained; and compositions comprising the compounds.


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