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:
Nov. 05, 2002
Filed:
Jul. 13, 2000
Applicant:
Inventors:
Stuart Molloy, Essex, GB;
John Philip Tatum, Cambridgeshire, GB;
Assignee:
Xaar Technology Limited, Cambridge, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09D 1/110 ; C08F 2/240 ; C08F / ; C08F / ; C08F / ;
U.S. Cl.
CPC ...
C09D 1/110 ; C08F 2/240 ; C08F / ; C08F / ; C08F / ;
Abstract
An ink jet printer ink is provided in the form of a non-aqueous dispersion of colorant in a diluent and containing a dispersant for the colorant and which yields print having no discernible odor. The diluent comprises more than 50% by volume of white oil and the dispersant, which is employed in an amount of at least 20% by weight of the colorant, comprises at least one compound having both a long chain aliphatic group and at least one &agr;, &bgr;-dicarboxylic acid moiety, e.g. a polyisobutylene succinimide.