US 12,001,167 B2
High visibility fluorescent yellow toner and toner process
Eliud Robles Flores, Rochester, NY (US); Yu Qi, Penfield, NY (US); Fan Shi, Penfield, NY (US); and William G. Osbourne, Fairport, NY (US)
Assigned to Xerox Corporation, Norwalk, CT (US)
Filed by Xerox Corporation, Norwalk, CT (US)
Filed on Nov. 7, 2019, as Appl. No. 16/676,971.
Prior Publication US 2021/0141318 A1, May 13, 2021
Int. Cl. G03G 9/09 (2006.01); G03G 9/093 (2006.01); G03G 15/01 (2006.01)
CPC G03G 9/09371 (2013.01) [G03G 9/0924 (2013.01); G03G 9/0926 (2013.01); G03G 9/09328 (2013.01); G03G 9/09378 (2013.01); G03G 9/09392 (2013.01); G03G 15/0131 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A fluorescent yellow toner comprising:
a core comprising a first solvent yellow 160-incorporated amorphous polyester; a second solvent yellow 160-incorporated amorphous polyester; wherein the first amorphous polyester and the second amorphous polyester are different; and a crystalline polyester;
wherein the core further comprises a third amorphous polyester and a fourth amorphous polyester;
wherein the third amorphous polyester is not incorporated with solvent yellow 160;
wherein the fourth amorphous polyester is not incorporated with solvent yellow 160; and
wherein the third amorphous polyester and the fourth amorphous polyester are different,
a shell disposed over the core, the shell comprising at least one amorphous polyester;
wherein the toner provides printed images having an L* value of greater than 90, an a* value of from about less than −40 to about −20, and a b*value of greater than 75.