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:
Oct. 25, 1994
Filed:
Jul. 27, 1990
Applicant:
Inventors:
Assignee:
Wako Pure Chemical Industries, Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
548468 ; 548518 ; 548525 ; 548527 ; 548545 ; 548546 ; 548547 ;
Abstract
A fulgimide derivative of the formula: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 are independently alkyl cycloalkyl aryl etc.; R.sup.4 is thienyl, indolyl, furyl, etc.; X is a divalent organic residue; and R is amino, OH, etc., or a vinyl group, has a photochromic action and can be used for producing photochromic polymers and copolymers.
Iwamoto, Osamu. (1994). Fulgimide derivatives (U.S. Patent No. 5359085). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5359085
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile