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. 29, 1976
Filed:
Apr. 09, 1973
Applicant:
Inventors:
Katsunobu Sato, Minoo, JA;
Yoshihisa Sueda, Toyonaka, JA;
Yoshiro Izutsutani, Osaka, JA;
Kunihiko Imada, Toyonaka, JA;
Katsumasa Ohtake, Nara, JA;
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JA;
Primary Examiner:
Int. Cl.
CPC ...
D06P / ;
U.S. Cl.
CPC ...
8 26 ; 8 41 / ;
Abstract
A mixture of at least two members selected from the group consisting of compounds represented by the formula, ##SPC1## Wherein Z represents hydrogen atom or methyl, ethyl, methoxy or ethoxy group, each R.sub.1 and R.sub.2 represents methyl or ethyl group, R.sub.3 represents methyl, ethyl or phenyl group or a phenyl group substituted by methyl, ethyl, methoxy or ethoxy group. The mixture is useful for dyeing hydrophobic fibers such as polyester fibers, and has good dyeabilities, particularly, build-up property.