...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Number | Title | Issue Date |
| 8133649 | Toner compositions Toner particles are provided which may, in embodiments, include a high molecular weight branched or cross-linked polyester to decrease image gloss and to increase toner elasticity to prevent surface additives impaction. In embodiments, the toner particles may have a... | 03/13/2012 |
| 8084180 | Toner compositions Toner particles are provided which may, in embodiments, include a core possessing at least one polyester resin in combination with a colorant, optional wax, and optional other additives, and a shell over the core including a high molecular weight amorphous polyester... | 12/27/2011 |
| 8084177 | Toners containing polyhedral oligomeric silsesquioxanes Disclosed is a toner composition comprising toner particles which comprise a resin, an optional colorant, and a polyhedral oligomeric silsesquioxane compound. ... | 12/27/2011 |
| 8057974 | Imaging member Disclosed is an imaging member comprising a conductive substrate, a photogenerating layer comprising a photogenerating material in contact with the substrate, and a charge transport layer in contact with the photogenerating layer, the charge transport layer comprisi... | 11/15/2011 |
| 7985865 | Phase change ink formulations, colorant formulations, and methods of forming colorants A compound having the formula wherein R1, Z, and the carbonyl can be comprised by a common ring, wherein R1 comprises a chromophore that absorbs light from the visible wavelength range, and wherein n i... | 07/26/2011 |
| 7985523 | Toners containing polyhedral oligomeric silsesquioxanes Disclosed is a toner composition comprising toner particles which comprise (a) a resin having chemically bonded thereto a polyhedral oligomeric silsesquioxane, (b) and an optional colorant. ... | 07/26/2011 |
| 7981584 | Toner compositions Toner particles are provided which may, in embodiments, include a core possessing an amorphous resin and a crystalline resin in combination with a colorant, optional wax, and optional other additives, and a shell over the core including a branched amorphous resin. T... | 07/19/2011 |
| 7943276 | Imaging member Disclosed is an imaging member comprising a conductive substrate, a photogenerating layer comprising a photogenerating material in contact with the substrate, and a charge transport layer in contact with the photogenerating layer, the charge transport layer comprisi... | 05/17/2011 |
| 7939678 | Phase change ink formulations, colorant formulations, and methods of forming colorants A compound having the formula wherein R1, Z, and the carbonyl can be comprised by a common ring, wherein R1 comprises a chromophore that absorbs light from the visible wavelength range, and wherein n i... | 05/10/2011 |
| 7714040 | Phase change inks containing curable amide gellant compounds Disclosed is a phase change ink comprising a colorant, an initiator, and a phase change ink carrier, said carrier comprising at least one radically curable monomer compound and a compound of the formula wherein R1 | 05/11/2010 |
| 7658486 | Phase change inks Disclosed is a phase change ink composition including an ink carrier and a colorant, said ink being suitable for use in an indirect printing process wherein the ink is jetted from a printhead onto a heated intermediate transfer member and subsequently transferred fr... | 02/09/2010 |
| 7625956 | Phase change inks containing photoinitiator with phase change properties and gellant affinity Disclosed is a phase change ink comprising a colorant, an initiator, and an ink vehicle, said ink vehicle comprising (a) at least one radically curable monomer compound, and (b) a compound of the formula wherein R1 | 12/01/2009 |
| 7619075 | Colorant compositions Disclosed is a colorant composition of the formula wherein R is an alkyl group, an aryl group, an arylalkyl group, or an alkylaryl group, and wherein R can be joined to the phenyl moiety to form a ring, R′ is an aromatic-... | 11/17/2009 |
| 7504502 | Guanidinopyrimidinone compounds and phase change inks containing same Compounds of the formula wherein, provided that at least one of R1, R2, and R3 is not hydrogen, R1, R2, and R3 each, independently of the other, is hydrogen,... | 03/17/2009 |
| 7504446 | Aqueous inks containing colored polymers Disclosed is an ink composition comprising (a) an aqueous liquid vehicle, and (b) a colorant which comprises an anhydride copolymer having at least one chromogen covalently bonded thereto and at least one ester, amide, imide, or thioester group covalently bonded the... | 03/17/2009 |
| 7449515 | Phase change inks containing compounds derived from isocyanate, unsaturated alcohol, and polyol Disclosed is a phase change ink comprising a colorant, an initiator, and a phase change ink carrier, said carrier comprising (A) a first isocyanate-derived compound which is the reaction product of a mixture comprising (1) an isocyanate; and (2) a component comprisi... | 11/11/2008 |
| 7442242 | Phase change inks containing specific colorants Disclosed is a phase change ink composition comprising (a) a phase change ink carrier comprising (1) an amide; and (2) a polyethylene wax having an average peak molecular weight of from about 350 to about 730 and a polydispersity of from about 1.0001 to about 1.5; a... | 10/28/2008 |
| 7407539 | Phase change inks Disclosed is a phase change ink comprising (a) a colorant and (b) a phase change ink carrier, said carrier comprising (i) a branched triamide and (ii) a polyethylene wax having an average peak molecular weight of from about 350 to about 730, a polydispersity of from... | 08/05/2008 |
| 7381255 | Phase change inks Disclosed is a phase change ink composition comprising a phase change ink carrier and a colorant compound of the formula or mixtures thereof, wherein R1, R2, R3, M, A, E, G, J, m, n, and p a... | 06/03/2008 |
| 7381253 | Multi-chromophoric azo pyridone colorants Disclosed is a compound comprising three or more moieties of the formula said moieties being bonded to a central atom, monomeric group of atoms, oligomer, or polymer. Also disclosed is a phase change ink composition compris... | 06/03/2008 |
| 7381254 | Phase change inks Disclosed is a phase change ink comprising (a) a colorant and (b) a phase change ink carrier, said carrier comprising (i) a branched triamide and (ii) a polyethylene wax having an average peak molecular weight of from about 350 to about 730 and a polydispersity of f... | 06/03/2008 |
| 7377971 | Phase change inks Disclosed is a phase change ink comprising (a) a colorant and (b) a phase change ink carrier, said carrier comprising (i) a branched triamide and (ii) a polyethylene wax having an average peak molecular weight of from about 350 to about 730 and a polydispersity of f... | 05/27/2008 |
| 7371858 | Guanidinopyrimidinone compounds and phase change inks containing same Compounds of the formulae wherein, provided that at least one of R1, R2, and R3 is not a hydrogen atom, R1, R2, and R3 each, independently of the other, is h... | 05/13/2008 |
| 7347892 | Phase change inks containing modified pigment particles Disclosed is a phase change ink composition comprising (a) an ink carrier comprising (1) a polyalkylene wax and (2) a component selected from the group consisting of (A) amides, (B) esters, (C) ester-amides, (D) urethanes, (E) ureas, (F) urethane-ureas, and (G) mixt... | 03/25/2008 |
| 7345200 | Phase change ink formulations, colorant formulations, and methods of forming colorants A compound having the formula wherein R1, Z, and the carbonyl can be comprised by a common ring, wherein R1 comprises a chromophore that absorbs light from the visible wavelength range, and wherein n i... | 03/18/2008 |
| 7323595 | Phase change ink formulations, colorant formulations, and methods of forming colorants A compound having the formula wherein R1, Z, and the carbonyl can be comprised by a common ring, wherein R1 comprises a chromophore that absorbs light from the visible wavelength range, and ... | 01/29/2008 |
| 7317122 | Curable trans-1,2-cyclohexane bis(urea-urethane) compounds Curable trans-1,2-cyclohexane bis(urea-urethane) compounds of the formulae wherein R1 and R′1 each, independently of the other, are alkylene, arylene, arylalkylene, or alkylarylene groups,... | 01/08/2008 |
| 7314949 | Trans-1,2-cyclohexane bis(urea-urethane) compounds Disclosed are trans-1,2-cyclohexane bis(urea-urethane) compounds of the formulae wherein R1 and R′1 each, independently of the other, is an alkylene group, an arylene group, an arylalkylen... | 01/01/2008 |
| 7311768 | Phase change inks containing Fischer-Tropsch waxes Disclosed is a phase change ink comprising (a) a colorant and (b) a phase change ink carrier, said carrier comprising (i) an amide and (ii) a Fischer-Tropsch wax having an average peak molecular weight of from about 300 to about 800 and a polydispersity of from abou... | 12/25/2007 |
| 7311767 | Processes for preparing phase change inks Processes for preparing phase change inks comprising admixing (a) a phase change ink carrier; (b) a colorant of the formula or mixtures thereof, wherein M1, z, A1, R1, R2 | 12/25/2007 |
| 7304173 | Colorant compositions Disclosed are colorant compounds of the formula wherein R, R1, R2, R3, and R4 each, independently of the others, is an alkyl group, an aryl group, an arylalkyl group, o... | 12/04/2007 |
| 7294730 | Colorant compounds Disclosed are colorant compounds of the formulae wherein R1, R2, R3, M, A, E, G, J, m, n, and p are as defined herein. ... | 11/13/2007 |
| 7279587 | Photoinitiator with phase change properties and gellant affinity Disclosed is a compound of the formula wherein R1 is an alkylene, arylene, arylalkylene, or alkylarylene group, R2 and R2′ each independently of the other, are alkylene, arylene... | 10/09/2007 |
| 7276614 | Curable amide gellant compounds Disclosed is a compound of the formula wherein R1 and R1′ each, independently of the other, is an alkyl group having at least one ethylenic unsaturation, an arylalkyl group having at least... | 10/02/2007 |
| 7271284 | Process for making curable amide gellant compounds Disclosed is a process for preparing a compound of the formula wherein R1 is an alkyl group having at least one ethylenic unsaturation, an arylalkyl group having at least one ethylenic unsaturation, or... | 09/18/2007 |
| 7259275 | Method for preparing curable amide gellant compounds Disclosed is a process for preparing a compound of the formula wherein R1 is an alkyl group having at least one ethylenic unsaturation, an arylalkyl group having at least one ethylenic unsaturation, or... | 08/21/2007 |
| 7252927 | High performance curable polymers and processes for the preparation thereof Disclosed is a composition which comprises a polymer containing at least some monomer repeat units with photosensitivity-imparting substituents which enable crosslinking or chain extension of the polymer upon exposure to actinic radiation, said polymer being of the ... | 08/07/2007 |
| 7241853 | Printing processes employing intermediate transfer with molten intermediate transfer materials A block of intermediate transfer material for use in a printing apparatus having an intermediate transfer member, said intermediate transfer member being equipped with a heater to heat said intermediate transfer member to a temperature of at least about 40° C., sai... | 07/10/2007 |
| 7220300 | Phase change inks containing bis(urea-urethane) compounds Disclosed is a phase change ink composition comprising a phase change ink carrier and a bis(urea-urethane) compound of the formula wherein R1 and R1′ each, independently of the other, is a... | 05/22/2007 |
| 7211131 | Phase change inks Phase change inks comprising a phase change ink carrier and a colorant compound of the formula wherein R1, R2, R3, R4, R5, m, n, and p are as defined herein,... | 05/01/2007 |