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:
Dec. 15, 1992
Filed:
Mar. 30, 1992
Applicant:
Inventors:
Assignee:
Imperial Chemical Industries PLC, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09B / ; C09B / ; C09D / ;
U.S. Cl.
CPC ...
534680 ; 534573 ; 534678 ; 534685 ; 534728 ; 534810 ; 534815 ; 106 / ; 106 / ; 8639 ;
Abstract
Black compounds of Formula (1) having enhanced solubility in polar organic liquids which are useful as ink colorants in conventional and hot melt ink-jet printing and automatic identification, as black colorants for toners and thermal wax transfer sheets and as charge control agents for electrophotographic toners; ##STR1## wherein R is H, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, aryl, C.sub.4-8 cycloalkyl, --CN, --NO.sub.2, halogen, --COOR.sup.1, --OH, --SH or --SO.sub.3 A;
Quick Actions:
Greenwood, David. (1992). Salts of black trisazo dyes with alkyl amines having good solubility in (U.S. Patent No. 5171848). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5171848
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile