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:
Jul. 22, 1980
Filed:
Mar. 13, 1978
Applicant:
Inventors:
Duncan A Phillips, Manchester, GB;
Brian Anderson, Manchester, GB;
Neville Jackson, Manchester, GB;
Cecil V Stead, Manchester, GB;
Alan T Costello, Manchester, GB;
Assignee:
Imperial Chemical Industries Limited, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ; C09B / ; C09B / ; C09B / ;
U.S. Cl.
CPC ...
260156 ; 2601 / ; 544 75 ; 544 76 ; 544348 ; 546-2 ; 546-6 ; 546 56 ; 546285 ; 546286 ; 546287 ; 546289 ; 546293 ; 546297 ; 546298 ; 546301 ; 546304 ; 546310 ; 546329 ; 546345 ;
Abstract
A dyestuff of the formula ##STR1## where D is a chromophoric residue