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:
Aug. 20, 1991
Filed:
Sep. 15, 1989
Applicant:
Inventors:
Assignee:
Centre International de Recherches Dermatologiques C.I.R.D., Valbonne, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
562467 ; 544175 ; 544391 ; 546226 ; 560 56 ; 564173 ; 564180 ; 568735 ; 568736 ; 514532 ;
Abstract
New polysubstituted derivatives of naphthalene. These derivatives correspond to the following formula: ##STR1## in which: R.sub.1 to R.sub.4 is H or CH.sub.3
Shroot, Braham. (1991). Polysubstituted derivatives of naphtalene, their process of preparation (U.S. Patent No. 5041639). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5041639
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile