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:
Mar. 17, 1987
Filed:
Nov. 23, 1984
Applicant:
Inventors:
Ronald W Kenyon, Failsworth, GB;
Derek Thorp, Heywood, GB;
Assignee:
Imperial Chemical Industries PLC, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
549299 ; 549 45 ; 549 47 ; 548431 ; 548433 ;
Abstract
A novel hetero-polycyclic compound of the following formula, a method for its preparation and its use in the coloration of textile materials: ##STR1## wherein, Z.sup.1 & Z.sup.2 are each independently --O--, --S-- or --NR.sup.5 -- in which R.sup.5 is H or an optionally-substituted hydrocarbon group or an acyl group;
Quick Actions:
Kenyon, Ronald. (1987). Dyes having two 5-membered lactone rings fused to a central (U.S. Patent No. 4650882). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4650882
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile