Claims
- 1. A photochromic phase change ink composition that comprises:
- A) at least one polymeric and photochromic yellow phase change ink colorant having either (1) an organic chromophore with a polyoxyalkylene substituent or (2) an organic chromophore having a polyoxyalkylene substituent and a carboxylic acid or non-reactive ester or amide derivative thereof covalently bonded to the polyoxyalkylene substituent; and
- B) a phase change ink carrier composition comprising (1) a resin selected from the group consisting of a urethane resin, a mixed urethane/urea resin and mixtures thereof, and (2) a mono-amide.
Parent Case Info
This application is a continuation-in-part of U.S. Ser. No. 08/671,998 filed Jun. 28, 1996, now U.S. Pat. No. 5,827,918, the specification of which is incorporated by reference herein in its entirety.
US Referenced Citations (5)
Number |
Name |
Date |
Kind |
5492559 |
Oliver et al. |
Feb 1996 |
|
5551973 |
Oliver et al. |
Sep 1996 |
|
5593486 |
Oliver et al. |
Jan 1997 |
|
5621022 |
Jaeger et al. |
Apr 1997 |
|
5827918 |
Titterington et al. |
Oct 1998 |
|
Non-Patent Literature Citations (2)
Entry |
Hot Melt Ink for Thermal Jet Printing, Journal of Imaging Science and Technology, vol. 36, No. 2, Mar./Apr. 1992, pp. 176-180. |
Keystone Technical Bulletin, Specialty Colorants--Reversacols, Technical Bulletin No. 180, Revised Oct. 1995. |
Continuations (1)
|
Number |
Date |
Country |
Parent |
671998 |
Jun 1996 |
|