| Patent Number |
Title Of Patent |
Date Issued |
| 7553596 |
Toner having crystalline wax |
June 30, 2009 |
| Embodiments include a toner with a distilled wax having a crystallinity of from about 55 to about 100 percent, wherein the degree of crystallinity is calculated using the following formulas: [Heat of enthalpy (Hm) J/g/294 J/g].times.100=degree of crystallinity (Xc); [Heat of recrysta |
| 7507517 |
Toner processes |
March 24, 2009 |
| Continuous processes for producing toner compositions are provided utilizing spinning disc reactors, rotating tubular reactors, or combinations thereof. |
| 7507513 |
Toner composition |
March 24, 2009 |
| Copolymer encapsulated wax particles and their use in forming toner compositions having particles with a desired circularity and size are provided. |
| 7229735 |
Toner compositions |
June 12, 2007 |
| A toner composition for use in a xerographic or electrostatographic imaging process. The toner composition includes a toner particle and an optional primary external surface additive and a friable external surface additive. The friable external surface additive may also be a material |
| 6042640 |
Deodorization of sulfur-containing solvents by oxidation |
March 28, 2000 |
| Disclosed is a process which comprises contacting a sulfur-containing solvent with an oxidizing agent, said sulfur-containing solvent containing odor-causing impurities, thereby reducing odor. Another embodiment of the present invention is directed to a process for preparing an ink c |
| 5925177 |
Yellow ink for ink jet printing |
July 20, 1999 |
| Disclosed is an ink composition which comprises (a) water; (b) Acid Yellow 23 dye; and (c) urea. |
| 5683520 |
Method of cleaning an ink storage material |
November 4, 1997 |
| Several methods are provided for cleaning felt or foam materials that are used to store and deliver ink, particularly ink supplied to ink jet printheads in an ink jet printing system. The felt materials are contaminated during manufacture, by various antistats, primarily phosphates. |
| 5360472 |
Waterfast dye compositions |
November 1, 1994 |
| Disclosed are dye compositions of the formula ##STR1## wherein Cp and Cp' are each coupler compounds of the formula ##STR2## wherein the --COOH group and the --OH group can be in any position on either ring, provided that in the naphthalene ring system there is present least |
| 5220346 |
Printing processes with microwave drying |
June 15, 1993 |
| Disclosed is a printing process which comprises applying in imagewise fashion to a substrate an ink composition which comprises an aqueous liquid vehicle, a colorant, and an ionic compound at least partially ionizable in the liquid vehicle, said ink composition having a conductivity |
| 4886729 |
Positively charged liquid developer compositions |
December 12, 1989 |
| A positively charged liquid developer composition comprised of polymer particles, a hydrocarbon liquid component, a charge director comprised of lecithin, and as pigment particles the beta crystalline form of copper phthalocyanine. |
| 4539284 |
Developer compositions with infrared absorbing additives |
September 3, 1985 |
| An improved infrared sensitive flash fusible colored toner composition comprised of (1) resin particles, (2) pigment particles selected from the group consisting of cyan, magenta, yellow, blue, red and green, and (3) additives selected from the group consisting of vanadyl phthalocyanines |
