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. 14, 1978
Filed:
Jul. 08, 1975
Applicant:
Inventors:
Assignee:
Hodogaya Chemical Co., Ltd., Tokyo, JA;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D06P / ; D06P / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
8 25 ; 2603407 ; 544 92 ;
Abstract
A mixture of a triphenylmethane compound represented by the formula (Ia) ##STR1## AND A TRIPHENYLMETHANE COMPOUND REPRESENTED BY THE FORMULA (Ib) ##STR2## WHEREIN R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and X are as defined hereinafter, useful as a color former.
Ozutsumi, Minoru. (1978). Mixture of benzoxazines and benzodioxanes which may be used as color (U.S. Patent No. 4073614). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4073614
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile