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:
Feb. 14, 1989
Filed:
Oct. 16, 1986
Applicant:
Inventors:
Assignee:
Imperial Chemical Industries PLC, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ; C09B / ; C09B / ; C09B / ;
U.S. Cl.
CPC ...
534573 ; 260404 ; 534649 ; 534693 ; 534738 ; 534753 ; 534850 ; 534853 ; 534887 ; 350 9612 ; 350 9624 ; 350316 ; 372 92 ; 372 98 ; 430940 ; 564414 ;
Abstract
(i) A compound of the formula: ##STR1## wherein R is H, a metal or a group containing a tetravalent N atom;