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:
Sep. 14, 1976
Filed:
Jan. 28, 1974
Applicant:
Inventors:
Eiji Yamada, Ibaragi, JA;
Masao Nishikuri, Hirakata, JA;
Ryuji Kanou, Minoo, JA;
Taizo Ohshima, Sakai, JA;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
260380 ; 8 39 / ; 8 40 ; 260383 ;
Abstract
A disperse dye of the formula, ##SPC1## Wherein X.sub.1 and X.sub.2 each are an amino or hydroxyl group, Y is a hydrogen or halogen atom, Z is an oxygen or sulfur atom or a direct linkage, R is a hydrogen or halogen atom or a lower alkyl or lower alkoxy group, n is an integer of from 1 to 4, and m is 1 or 2, which is suitable for dyeing synthetic fibers such as polyester fibers with a high color value and good fastnesses.