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:
Dec. 09, 2014
Filed:
Jan. 25, 2013
Applicant:
International Paper Company, Memphis, TN (US);
Inventors:
Zheng Tan, Atlanta, GA (US);
Sen Yang, Nanuet, NY (US);
Jingxiu Wan, Mason, OH (US);
Benny J. Skaggs, Springboro, OH (US);
Benjamin Thomas Liguzinski, Cincinnati, OH (US);
Assignee:
International Paper Company, Memphis, TN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M 5/40 (2006.01); B32B 29/00 (2006.01); D21H 21/30 (2006.01); B41M 5/52 (2006.01); B41M 5/50 (2006.01); B41J 2/01 (2006.01); D21H 21/14 (2006.01); D21H 17/28 (2006.01); D21H 17/45 (2006.01); D21H 21/16 (2006.01); D21H 19/44 (2006.01);
U.S. Cl.
CPC ...
D21H 21/14 (2013.01); B32B 29/00 (2013.01); D21H 21/30 (2013.01); D21H 17/28 (2013.01); B41M 5/52 (2013.01); D21H 17/45 (2013.01); B41M 5/5254 (2013.01); B41M 5/508 (2013.01); B41J 2/01 (2013.01); D21H 21/16 (2013.01); D21H 19/44 (2013.01);
Abstract
A composition is provided, which comprises a water-soluble salt of a divalent metal; a complexing agent having an affinity for the divalent metal; and an optical brightening agent. Methods of using the composition, and recording sheets which include the composition, are also disclosed.