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:
Dec. 02, 1997
Filed:
Jun. 20, 1995
Applicant:
Inventors:
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08J / ; C07C / ;
U.S. Cl.
CPC ...
427506 ; 3461503 ; 560 70 ;
Abstract
.alpha.-resorcylic acid ester derivatives useful as electron-accepting compounds for recording materials, and highly durable recording materials containing these derivatives. The .alpha.-resorcylic acid derivative is represented by the following general formula (I), ##STR1## wherein R.sub.1 represents a hydrogen atom, a halogen atom or an alkyl group, and X represents a divalent group.
Yamada, Hisao. (1997). Alpha-resorcyclic acid ester derivatives and recording materials using (U.S. Patent No. 5693374). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5693374
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile