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:
Jul. 15, 2003
Filed:
Jul. 27, 2001
Applicant:
Inventors:
Shirley Lee, Poway, CA (US);
Steven L. Webb, Murrieta, CA (US);
Grant Allen Webster, Valley Center, CA (US);
Christopher S. Tanner, San Diego, CA (US);
Stephen W. Bauer, San Diego, CA (US);
Keshava A. Prasad, San Marcos, CA (US);
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 1/102 ;
U.S. Cl.
CPC ...
C09D 1/102 ;
Abstract
Ink-jet ink compositions are described comprising at least one organo-phosphonic acid or its sodium or potassium salt. The ink-jet ink compositions reduce puddling, scale formation, kogation and corrosion, and as such lead to improved print quality.