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:
Sep. 02, 2003
Filed:
Feb. 02, 2001
John Wei-Ping Lin, Webster, NY (US);
Xerox Corporation, Stamford, CT (US);
Abstract
Disclosed is an ink composition comprising water, a colorant, and an ABSCS′B′A′ or BASCS′A′B′ block copolymer wherein A and A′ are blocks containing one or more ethylene oxide repeat monomer units, B and B′ are blocks containing one or more propylene oxide repeat monomer units, C is a block comprising one or more repeat monomer units of an alkylsiloxane, a dialkylsiloxane, an alkyl aryl siloxane, or a diarylsiloxane, S is an optional spacer group between the A or B block and the C block, and S′ is an optional spacer group between the C block and the A′ or B′ block. Also disclosed is a multicolor ink jet printing process using the ink, wherein dry time is reduced and/or intercolor bleed is reduced.