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:
Apr. 04, 2000
Filed:
Dec. 10, 1997
Applicant:
Inventors:
Michel Philippe, Wissous, FR;
Alain Campos, Mitry Mory, FR;
Assignee:
L'Oreal, Paris, FR;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
554114 ; 554103 ; 554149 ;
Abstract
A process for the preparation of hydroxypropylated quaternary ammonium compounds containing an ester functional group, preferably a fatty acid ester functional group, of formula (I): ##STR1## in which: R denotes a saturated or unsaturated, linear or branched C.sub.7 -C.sub.35 alkyl chain;