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:
Mar. 22, 1994
Filed:
Jun. 12, 1992
Applicant:
Inventors:
Assignee:
L'Oreal, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
549 21 ; 549 22 ;
Abstract
Propenals of formula: ##STR1## in which formula R is H or a C.sub.1 -C.sub.4 thioalkyl radical, the dithiane ring being at the cis position in relation to the aldehyde function when R is H and at the trans position when R is a thioalkyl radical. The invention also relates to two processes for the preparation of these propenals.