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:
Feb. 04, 1986
Filed:
Jun. 25, 1984
Applicant:
Inventors:
Masakichi Yahagi, Tokyo, JP;
Tetsuo Igaki, Kawagoe, JP;
Shinji Yoshinaka, Iwatsuki, JP;
Kosaku Morita, Saitama, JP;
Kimiaki Kinoshita, Kitamoto, JP;
Masashi Enokiya, Tokyo, JP;
Akio Kaneko, Fujimi, JP;
Toshiyuki Yamashita, Tokyo, JP;
Assignee:
Nippon Soda Company Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568 33 ; 346216 ; 346225 ; 427150 ;
Abstract
4-Hydroxy-4'-isopropoxydiphenylsulfone useful as color developer for heat-sensitive color-developable recording material.