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:
Jan. 13, 1998
Filed:
Feb. 15, 1996
Applicant:
Inventors:
Satoshi Imura, Shinnanyo, JP;
Tsuneyoshi Tanizawa, Shinnanyo, JP;
Takashi Kobayakawa, Shinnanyo, JP;
Assignee:
Tokuyama Corporation, Yamguchi-ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C08K / ;
U.S. Cl.
CPC ...
524 84 ; 524 89 ; 524110 ;
Abstract
A fulgide or fulgimide compound having a cyclopropyl group as a substituent. The compound has excellent durability which changes reversibly in color from a colorless form to a colored form by the action of light containing ultraviolet rays such as sunlight or the light from a mercury lamp. There are also provided processes for its production, a composition comprising it, and its use.