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:
Jun. 30, 1987
Filed:
Jun. 14, 1983
Applicant:
Inventors:
Masakichi Yahagi, Tokyo, JP;
Shoichi Horiuchi, Fujimi, JP;
Takahumi Toyama, Tokyo, JP;
Akio Kashiwagi, Ageo, JP;
Teruo Suzuki, Tokyo, JP;
Tetsuo Igaki, Kawagoe, JP;
Kazuyuki Horisawa, Tokyo, JP;
Mituhiro Shoji, Tokyo, JP;
Assignee:
Shin Nisso Kako Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
546 15 ; 544 70 ;
Abstract
Certain 3-piperidino fluoran derivatives useful as color recording materials are disclosed.