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:
Aug. 08, 2023
Filed:
Oct. 11, 2019
Applicant:
Hewlett-packard Development Company, L.p., Spring, TX (US);
Inventors:
Beverly Chou, San Diego, CA (US);
Xiaoqi Zhou, San Diego, CA (US);
Xulong Fu, San Diego, CA (US);
Jake Thomas, San Diego, CA (US);
Tao Chen, San Diego, CA (US);
Assignee:
Hewlett-Packard Development Company, L.P., Spring, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M 5/52 (2006.01); B41M 5/00 (2006.01); D21H 19/40 (2006.01); C08K 3/22 (2006.01); C08K 3/34 (2006.01);
U.S. Cl.
CPC ...
B41M 5/5218 (2013.01); B41M 5/0017 (2013.01); D21H 19/40 (2013.01); C08K 3/22 (2013.01); C08K 3/346 (2013.01); C08K 2003/2227 (2013.01);
Abstract
A coating composition for a base paper is described. The coating composition comprises a porous clay and an ink pigment fixation agent. The porous clay comprises an alumina-silicate, and has a surface area from 100 m2/g to 400 m2/g.