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:
May. 09, 1995
Filed:
Nov. 12, 1993
Applicant:
Inventors:
Assignee:
Sumitomo Chemical Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D06P / ; C09B / ;
U.S. Cl.
CPC ...
8471 ; 8576 ; 8578 ; 8636 ; 8638 ; 549299 ;
Abstract
A composition for dyeing hydrophobic materials, such as polyester fiber materials, with a clear and sharp color fastness contains at least one benzodifuranone compound represented by a formulae (I) and at least one benzodifuranone compound represented by a formula (II), wherein the weight ratio of the at least one benzodifuranone compound represented by formula (I) to the at least one benzodifuranone compound represented by formula (II) is 90:10 to 10:90.
Katsuda, Nobuyuki. (1995). Compositions containing benzodifuranone compounds and methods for (U.S. Patent No. 5413613). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5413613
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile