Abstract: A heat transferable material includes a heat transferable polymeric binder and a light stabilizer that is an N-oxyl radical derived from a hindered amine. The N-oxyl radical has the following formula (A) or formula (B): wherein R1, R2, R5, and R6 are each a straight or branched C1-C6 alkyl or alkene, and R3 and R4 are each independently H, CH2CH3, CH3, OH, OR, COOH, COOR, or NH—C(?O)R, wherein R is a straight or branched C1-C6 alkyl or alkene, and having a molecular weight of 600 or less. At least one of R3 and R4 is not hydrogen. The heat transferable material can be in a section or patch on a thermal donor element to provide a protective overcoat material. A patch in the donor element can include a dye. The heat transferable material provides better image stability and improved iridescence when transferred to a receiver of some type.

Abstract: An intermediate transfer member for electrophotography includes a substrate and a non-ceramer polyurethane compliant layer. Disposed directly on the compliant layer is an outermost surface layer consisting essentially of a non-particulate, non-elastomeric ceramer or fluoroceramer and nanosized inorganic particles that are distributed within the non-particulate ceramer or fluoroceramer in an amount of at least 5 and up to and including 50 weight % of the outermost surface layer. This intermediate transfer member can be incorporated into a suitable imaging apparatus for forming a toned image on a receiver element.

Abstract: A heat transferable material includes a heat transferable polymeric binder and a light stabilizer that is an N-oxyl radical derived from a hindered amine. The N-oxyl radical has the following formula (A) or formula (B): wherein R1, R2, R5, and R6 are each a straight or branched C1-C6 alkyl or alkene, and R3 and R4 are each independently H, CH2CH3, CH3, OH, OR, COOH, COOR, or NH—C(=O)R, wherein R is a straight or branched C1-C6 alkyl or alkene, and having a molecular weight of 600 or less. At least one of R3 and R4 is not hydrogen. The heat transferable material can be in a section or patch on a thermal donor element to provide a protective overcoat material. A patch in the donor element can include a dye. The heat transferable material provides better image stability and improved iridescence when transferred to a receiver of some type.

Abstract: A heat transferable material includes a light stabilizer that is an N-oxyl radical derived from a hindered amine and having the formula, wherein R1, R2, R5, and R6 are each independently selected from a straight or branched C1-C6 alkyl or alkene, and R3 and R4 are each independently selected from H, CH2CH3, CH3, OH, OR, COOH, or COOR, wherein R is a straight or branched C1-C6 alkyl or alkene, and having a molecular weight of 600 or less, except that all of R1, R2, R5, and R6 are not methyl when both R3 and R4 are hydrogen. The heat transferable material can be in one or more sections or patches on a thermal donor element to provide a protective overcoat material. The heat transferable material provides better image stability and improved iridescence when applied to a receiver.

Abstract: A heat transferable material includes a heat transferable polymeric binder and a light stabilizer that is an N-oxyl radical derived from a hindered amine, the N-oxyl radical having the following formula, wherein R1, R2, R5, and R6 are each independently selected from a straight or branched C1-C6 alkyl, and R3 and R4 are each independently selected from H, OH, OR, COOH, or COOR, wherein R is a straight or branched C1-C6 alkyl or alkene, and having a molecular weight of 600 or less, is described. The heat transferable material can be in one or more sections or patches on a thermal donor element to provide a protective overcoat material. Optionally, a patch in the donor element can also include a dye. The heat transferable material provides better image stability and improved iridescence when applied to a thermal, inkjet, electophotographic, or silver halide receiver.

Abstract: A heat transferable dye donor element includes a heat transferable dye and an N-oxyl radical light stabilizer that is derived from a hindered amine. The N-oxyl radical has the following formula, wherein R1, R2, R5, and R6 are each independently selected from a straight or branched C1-C6 alkyl, and R3 and R4 are each independently selected from H, OH, OR, COOH, or COOR, wherein R is a straight or branched C1-C6 alkyl or alkene, and has a molecular weight of 600 or less. The dye donor element includes a heat transferable material that can be in one or more sections or patches including heat transferable dye patches. The heat transferable material provides better dye image stability when applied to a thermal receiver element.

Abstract: An intermediate transfer member for electrophotography includes a substrate and a non-ceramer polyurethane compliant layer. Disposed directly on the compliant layer is an outermost surface layer consisting essentially of a non-particulate, non-elastomeric ceramer or fluoroceramer and nanosized inorganic particles that are distributed within the non-particulate ceramer or fluoroceramer in an amount of at least 5 and up to and including 50 weight % of the outermost surface layer. This intermediate transfer member can be incorporated into a suitable imaging apparatus for forming a toned image on a receiver element.

Abstract: A heat transferable dye donor element includes a heat transferable dye and an N-oxyl radical light stabilizer that is derived from a hindered amine. The N-oxyl radical has the following formula, wherein R1, R2, R5, and R6 are each independently selected from a straight or branched C1-C6 alkyl, and R3 and R4 are each independently selected from H, OH, OR, COOH, or COOR, wherein R is a straight or branched C1-C6 alkyl or alkene, and has a molecular weight of 600 or less. The dye donor element includes a heat transferable material that can be in one or more sections or patches including heat transferable dye patches. The heat transferable material provides better dye image stability when applied to a thermal receiver element.

Abstract: An OLED device comprises an anode and a cathode and located there-between a light emitting layer containing a light emitting dopant and a host comprising a monoanthracene derivative.

Abstract: A heat transferable material includes a heat transferable polymeric binder and a light stabilizer that is an N-oxyl radical derived from a hindered amine, the N-oxyl radical having the following formula, wherein R1, R2, R5, and R6 are each independently selected from a straight or branched C1-C6 alkyl, and R3 and R4 are each independently selected from H, OH, OR, COOH, or COOR, wherein R is a straight or branched C1-C6 alkyl or alkene, and having a molecular weight of 600 or less, is described. The heat transferable material can be in one or more sections or patches on a thermal donor element to provide a protective overcoat material. Optionally, a patch in the donor element can also include a dye. The heat transferable material provides better image stability and improved iridescence when applied to a thermal, inkjet, electophotographic, or silver halide receiver.

Abstract: The present invention relates to a dye-donor element for thermal dye transfer comprising a support having on one side a dye layer and on a second side a slipping layer, wherein the slipping layer comprises a first wax comprising a polymer derived from a polyolefin and an ethylenically unsaturated carboxylic acid or ester or anhydride thereof, and at least one other wax and wherein the dye layer comprises at least a magenta dye of the Structure I: wherein the dye donor element has reduced 2× retransfer.

Abstract: An electroluminescent device comprises a light emitting layer including an anthracene material bearing at least one aryl ring in the 2-position and having a hydrogen or an alkyl group in the 6-position and having up to 12 aromatic carbocyclic rings including at least one naphthalene group in the 9-position of the anthracene group and an aryl group in the 10-position, the anthracene material including among the rings only carbocyclic rings.

Abstract: Disclosed herein are polyurethane elastomers and shaped articles prepared therefrom comprising charge-control agents to provide electrical conductivity to the elastomers, thereby allowing for their use in electrophotographic processes. The elastomers comprise a polyisocyanate prepolymer, a polyether prepolymer, and a hardener mixture comprised of at least one additional polyol and a charge-control agent. When used in an electrophotographic process, the elastomers are capable of exhibiting resistivities of less than 6×109 ohm-cm for 600,000 images or more.

Abstract: A magenta dye combination having improved lightfastness and keeping properties is described, wherein the magenta dye combination can be used in thermal printing.

Abstract: An electroluminescent device includes a light-emitting layer containing a host material and: (a) a compound of Formula (1): X1—Ar1—C(R1)?C(R2)—Ar2 ??(1) wherein: Ar1 represents a divalent aromatic group; Ar2 represents an aromatic group; X1 represents at least one electron-donating group; R1 and R2 independently represent hydrogen or a substituent; and (b) a light-emitting boron complex having an absorption spectrum that overlaps with the emission spectrum of compound (1). The device serves to improve luminance efficiency while maintaining good color purity.

Abstract: Disclosed is an OLED device comprising an anode and a cathode and located there-between a light emitting layer containing a light emitting dopant and a host comprising a monoanthracene derivative of formula (I): wherein R1–R8 are H; R9 is not the same as R10; R9 is a biphenyl group containing no fused rings with aliphatic carbon ring members; R10 is an ortho-substituted- or meta monosubstituted phenyl group; provided that R9 and R10 are free of amines and sulfur compounds.

Abstract: Disclosed is a process for forming a 1H-pyrazolo (1,5-b)-[1,2,4]-triazole compound by ring closing a pyrazoloamidine compound comprising reacting the amidine with an oxidizing agent having a reduction potential vs Ag/AgCl that is more positive than −0.16V and less than +1.43V in the presence of a halogen atom. The invention also discloses certain triazole compounds that are successfully made by the conventional process. The process and compounds of the invention provide improved yields and reduce or eliminate unwanted side-reactions.

Abstract: Disclosed is a process for forming a 1H-pyrazolo (1,5-b)-[1,2,4]-triazole compound by ring closing a pyrazoloamidine compound comprising reacting the amidine with an oxidizing agent having a reduction potential vs Ag/AgCl that is more positive than −0.16V and less than +1.43V in the presence of a halogen atom. The invention also discloses certain triazole compounds that are successfully made by the conventional process. The process and compounds of the invention provide improved yields and reduce or eliminate unwanted side-reactions.

Abstract: Disclosed is a process comprising reacting an N-allylimino nitrobenzene compound with a diaminodinucleophile to form an &agr;-amino-N-allylamidino nitrobenzene compound and the compound itself.

Abstract: A fuser member useful for heat-fixing an electrographic toner to a substrate. The fuser member has a core and a layer overlying the core. That layer includes a cured fluorocarbon random copolymer having subunits with the general structures: where x is from 30 to 90 mole percent, y is from 10 to 70 mole percent, and z is from 0 to 34 mole percent. The layer incorporates particulate filler. The filler includes aluminum oxide and a material selected from the group consisting of alkaline earth metal oxides, alkaline earth metal hydroxides, and combinations thereof. The filler has a total concentration in the layer of from about 25 to 50 percent of the total volume of the layer. The aluminum oxide has a concentration of from 20 to 40 percent of the total volume of the layer.