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:
May. 18, 1993
Filed:
May. 16, 1991
Marcel P Breton, Mississauga, CA;
Shadi L Malhotra, Mississauga, CA;
Toshitake Yui, Minamiashigara, JP;
Kerstin M Henseleit, Toronto, CA;
Melvin D Croucher, Oakville, CA;
Xerox Corporation, Stamford, CT (US);
Abstract
An ink composition having a pH of about 5 to about 10 contains a colorant, a liquid carrier and less than about 5 wt. % of a desizing agent. The desizing agent may be (1) poly(oxyalkylene) modified compounds of sorbitan esters, fatty amines, alkanol amides, castor oil, fatty acid, fatty alcohol; (2) hydrophilic poly(dialkyl-siloxanes); (3) fatty imidazolines; (4) fatty ester modified compounds of phosphate, sorbitan, glycerol, poly(ethylene glycol), sulfosuccinic acid, sulfonic acid, alkyl amine; (5) quaternary alkosulfate compounds; (6) poly(propylene oxide)--poly(ethylene oxide) copolymers; (7) poly(alkylene glycol); or (8) mixtures thereof.