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. 16, 1990
Filed:
Aug. 24, 1989
Applicant:
Inventor:
Suraj L Hindagolla, Corvallis, OR (US);
Assignee:
Hewlett-Packard Company, Palo Alto, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09D / ;
U.S. Cl.
CPC ...
106 22 ; 106 20 ; 534836 ; 534837 ; 534824 ;
Abstract
Inks are provided comprising (a) a dye corresponding to the formula ##STR1## wherein W is COOH,
Hindagolla, Suraj. (1990). Waterfast ink formulations with a novel series of anionic dyes (U.S. Patent No. 4963189). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4963189
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile