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:
Mar. 21, 2000
Filed:
Jun. 26, 1998
Applicant:
Inventors:
Kurt B Gundlach, Fairport, NY (US);
Luis A Sanchez, Fairport, NY (US);
Richard L Colt, Rochester, NY (US);
Maura A Sweeney, Rochester, NY (US);
Assignee:
Xerox Corporation, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D / ;
U.S. Cl.
CPC ...
106 3128 ; 106 3143 ; 106 3147 ; 106 3158 ; 106 316 ; 106 3175 ; 106 3177 ; 106 3186 ; 106 3187 ;
Abstract
Disclosed is a set of inks for generating multicolored images which comprises (a) a first ink having a first color, said first ink comprising water, a colorant, and a monomeric zwitterionic compound, said first ink being substantially free of organic acids having no basic functional groups thereon; and (b) a second ink having a second color darker than the first color of the first ink, said second ink comprising water and a pigment; wherein intercolor bleed between the first ink and the second ink is reduced in visibility.