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:
Oct. 24, 1978
Filed:
Mar. 15, 1978
Applicant:
Inventors:
Colin William Greenhalgh, Manchester, GB;
John Laurence Carey, Manchester, GB;
David Francis Newton, Manchester, GB;
Assignee:
Imperial Chemical Industries Limited, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2603 / ;
Abstract
Substituted 2,6-dioxo-2,6-dihydrobenzo[1:2-b, 4:5-b']difurans or -dipyrroles and processes for their manufacture. The compounds are dyestuffs which are particularly useful in the form of aqueous dispersions for application to polyester textile materials.