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. 24, 1992
Filed:
Aug. 01, 1991
Applicant:
Inventors:
Loren E Johnson, San Diego, CA (US);
Kenneth A Norton, Houston, TX (US);
Norman E Pawlowski, Corvallis, OR (US);
Margaret L Wooding, Palo Alto, CA (US);
Assignee:
Hewlett-Packard Company, Palo Alto, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05D / ; C09D / ;
U.S. Cl.
CPC ...
427288 ; 106 / ; 106 / ; 346 75 ;
Abstract
If a small amount of alcohol (about 0.05 to 6 wt %) is added to water-based inks for thermal ink-jet printing, the resultant print has a rapid dry time and improved smear resistance. In addition, a high quality print is obtained, even on plain paper.