US Patent:
20140335367, Nov 13, 2014
Inventors:
- Memphis TN, US
JINGXIU WAN - PRINCETON NJ, US
BENNY J. SKAGGS - SPRINGBORO OH, US
SEN YANG - HIGHLAND MILLS NY, US
BENJAMIN THOMAS LIGUZINSKI - CAMBRIDGE MA, US
International Classification:
D21H 17/07
B41M 5/50
D21H 17/35
D21H 21/16
D21H 17/15
D21H 17/53
US Classification:
4285377, 10628725, 10628723, 524547, 10628721, 1062061, 252 883, 427158, 347 20
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.