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:
Mar. 15, 2011
Filed:
Apr. 03, 2003
Yubai BI, San Diego, CA (US);
Pierre-alain Brugger, Ependes, CH;
Martin Staiger, Clarens, CH;
Rolf Steiger, Praroman-Le Mouret, CH;
Karl Peternell, Fribourg, CH;
Yubai Bi, San Diego, CA (US);
Pierre-Alain Brugger, Ependes, CH;
Martin Staiger, Clarens, CH;
Rolf Steiger, Praroman-Le Mouret, CH;
Karl Peternell, Fribourg, CH;
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Abstract
An ink jet recording sheet is provided that delivers a photoparity image when printed with ink jet printer. The recording sheet comprises a two-layer coating. The bottom layer comprises amorphous silica and the top layer comprises spherical colloidal silica. Both silicas are rendered cationic. The recording sheet provides fast dry time, excellent image quality and superior water resistance and handle ability.