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. 03, 1998
Filed:
Aug. 30, 1996
Applicant:
Inventors:
Loretta Ann Grezzo Page, Newark, DE (US);
Milan Bohuslav Bednarek, Wilmington, DE (US);
Zeying Ma, San Diego, CA (US);
Keshava Anand Prasad, San Marcos, CA (US);
Assignee:
E.I. du Pont De Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D / ;
U.S. Cl.
CPC ...
106 3185 ; 106 3186 ; 106 3187 ;
Abstract
Bleed between two adjacent pigmented inks on a printing medium is reduced. The first ink has at least one neutralized carboxylic acid group, neutralized amine, or a quaternized amine group; and the second ink contains a polymeric dispersant having at least one sulfonate or phosphonate group, and a carboxylic acid additive having a pKa of up to 3.5.
Grezzo Page, Loretta. (1998). Pigmented ink set and process for alleviating bleed in printed elements (U.S. Patent No. 5713993). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5713993
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile