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:
Nov. 21, 1989
Filed:
Jun. 28, 1988
Applicant:
Inventors:
Assignee:
Imperial Chemical Industries PLC, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ; D06P / ; D06P / ;
U.S. Cl.
CPC ...
8662 ; 8670 ; 8922 ; 534751 ; 534753 ; 534573 ;
Abstract
A disperse monoazo dye of the formula: ##STR1## wherein each of R and R.sup.3 represents a lower alkyl radical, R.sup.1 represents a lower alkyl or C.sub.3 -C.sub.6 alkenyl radical and
Quick Actions:
Brierley, David. (1989). Disperse dyes: nitro-thiophene azo dyes for bright blue shades on (U.S. Patent No. 4881943). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4881943
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile