Abstract: An improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising: (a) a charge transport material having the formula where X and X? are, each independently, a linking group; Ar comprises an aromatic group; R1, R2, and R3 comprise, each independently, H, an alkyl group, an alkenyl group, an alkynyl group, an aromatic group, or a heterocyclic group; and E1 and E2 are, each independently, a reactive ring group; and (b) a charge generating compound. Corresponding electrophotographic apparatuses, imaging methods, and a polymeric charge transport material prepared from the charge transport material above are described.

Abstract: Improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising: (a) a charge transport material having the formula: where n is an integer between 1 and 10, inclusive; R1 comprises a functional group selected from the group consisting of a reactive ring group, an ethylenically unsaturated group, a reactive polar group, a hydrazone group, and an azine group; R2, R3, R4, R5, and R6 comprise, each independently, H, an alkyl group, an alkenyl group, an alkynyl group, an aromatic group, a heterocyclic group, or a part of a ring group; X is a bond or a linking group; and Q is O, S, or NR where R is H, an alkyl group, an acyl group, an alkenyl group, an alkynyl group, a heterocyclic group, or an aromatic group; and (b) a charge generating compound.

Abstract: Improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising: (a) a charge transport material having the formula where Y1 and Y7 comprise, each independently, a carbazolyl group; X1 and X2, each independently, are a bridging group; E1 and E2, comprise, each independently, an epoxy group; and Z is a linking group; and (b) a charge generating compound. Organophotoreceptors with the charge transport material crosslinked to a polymeric binder are also described. Corresponding electrophotographic apparatuses and imaging methods are described.

Abstract: Improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising: (a) a charge transport material having the formula where Y1 and Y2 comprise, independently, an aromatic group; X1 and X2 are each a linking group; W1 and W2 are each a —(CH2)n— group or a —(CH2)n-1—C(?O)— group, where n is an integer between 1 and 10; Ar1 and Ar2 comprise each a divalent aromatic group; Q1 and Q2 are each O, S, or NR; Z1 and Z2 comprise, independently, a bond, a vinyl group, a —CR1?N—NR2— group, or a —CR3?N—N?CR4— group; and R, R1, R2, R3, and R4 comprise, independently, H, an alkyl group, an alkenyl group, an alkynyl group, an acyl group, a heterocyclic group, or an aromatic group; and (b) a charge generating compound. Corresponding electrophotographic apparatuses and imaging methods are described.

Abstract: Improved charge transport material comprises the formula: where M comprises a metallocenyl group; Y comprises a functional group selected from the group consisting of a metallocenyl group, a hydrazone group, an azine group, a reactive ring group, an ethylenically unsaturated group, and combinations thereof; R1 and R2 comprise, each independently, H, an organic group, or an organometallic group; and X is a bond, O, S, an aminylene group, a sulfonyl group, an organic linking group, or a combination thereof.

Abstract: Improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising: (a) a polymeric charge transport material having the formula where n is a distribution of integers between 1 and 100,000 with an average value of greater than one; Y comprises an aromatic group; X1 and X2, each independently, is a bond or a linking group; Q1 and Q2 are, each independently, O, S, or NR; and R, R1, and R2 comprise, each independently, H, an alkyl group, an alkenyl group, an alkynyl group, an acyl group, a heterocyclic group, or an aromatic group; and (b) a charge generating compound. Corresponding electrophotographic apparatuses, imaging methods, and methods of preparing the polymeric charge transport material are described.

Abstract: Improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising: (a) a polymeric charge transport material having the formula where n and m are each a distribution of integers, and the n units of R1—Si—X1—Ar1 and m units of R2—Si—X2—Ar2—X3-Z form either a random, an alternative, or a block copolymer; R1 and R2 comprise, each independently, an alkyl group, an alkoxy group, an alkenyl group, an alkynyl group, a heterocyclic group, or an aromatic group; X1, X2, and X3 comprise, each independently, a bond or a linking group; A1 and A2 are each a terminal group; Ar1 and Ar2 comprise, each independently, an aromatic group; and Z comprises a functional group; and (b) a charge generating compound. Corresponding electrophotographic apparatuses, imaging methods, and methods of preparing the polymeric charge transport material are described.

Abstract: An improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising: (a) a charge transport material having the formula where X1 and X2 are, each independently, a linking group; Ar comprises an aromatic group; R1, R2, and R3 comprise, each independently, H, an alkyl group, an alkenyl group, an alkynyl group, an aromatic group, or a heterocyclic group; and n is a distribution of integers between 1 and 100,000 with an average value of greater than one; and (b) a charge generating compound. Corresponding electrophotographic apparatuses, imaging methods, and methods of forming the charge transport material are described.

Abstract: This invention relates to a novel organophotoreceptor that comprises an electrically conductive substrate and photoconductive element on the electrically conductive substrate, the photoconductive element having a) a novel charge transport compound having the formula where X is a divalent hydrocarbon group of 1 to 30 carbon atoms, or a divalent hydrocarbon group of 1 to 30 carbon atoms where there is at least one substitution of a carbon atom by a heteroatom provided that no two heteroatoms may be adjacent within the backbone of an aliphatic divalent hydrocarbon radical, R1 is an aryl group or a heterocyclic group, R2 is a (N,N-disubstituted)arylamine group, and R3 is an epoxy group; and (b) a charge generating compound. The epoxy group can be reacted with a functional group within the polymer to form a polymeric charge transport compound either directly or through a crosslinking agent.

Abstract: Improved organophotoreceptors comprise: (a) a charge transport compound having the formula ?where n is an integer from 0 to 1; X is an (N,N-disubstituted)arylamine group; Ar is an aryl group or a heterocyclic group; A is a first linking group with the formula —(CH2)p — which can be branched or linear, where p is an integer from 3 to 20 inclusive; and B is a second linking group having the formula -Q-Z-Q?, where Q and Q? are, independently, O, S, or NR1; wherein when Q or Q? is NR1 or Q=O and Q?=S, Z comprises an aryl group, and wherein when Q=Q?S or Q=Q?=O, Z comprises a multi-ring conjugated group; (b) a charge generating compound; and (c) an electrically conductive substrate over which said charge transport compound and said charge generating compound are located.

Abstract: An improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising: (a) a charge transport material having the formula where X and X? are, each independently, a linking group; Ar comprises an aromatic group; R1, R2, and R3 comprise, each independently, H, an alkyl group, an alkenyl group, an alkynyl group, an aromatic group, or a heterocyclic group; and E1 and E2 are, each independently, a reactive ring group; and (b) a charge generating compound. Corresponding electrophotographic apparatuses, imaging methods, and a polymeric charge transport material prepared from the charge transport material above are described.

Abstract: Improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising: (a) a charge transport material having the formula where R1, R2, R3, R4, R5, and R6 comprise, each independently, H, an alkyl group, an alkenyl group, an alkynyl group, an aromatic group, or a heterocyclic group; X1 and X2 are, each independently, a —(CH2)n— group, where n is an integer between 1 and 10, inclusive; X3 is linking group; and Q1, Q2, Q3, Q4, Q5, and Q6 are, each independently, O, S, NR, NC(?O)R? where R and R? are, each independently, H, an alkyl group, an alkenyl group, an alkynyl group, a heterocyclic group, or an aromatic group; and (b) a charge generating compound. Corresponding electrophotographic apparatuses and imaging methods are described.

Abstract: An improved organophotoreceptor includes an electrically conductive substrate and a photoconductive element on the electrically conductive substrate where the photoconductive element comprises: a) a charge transport material having the following formula: where X is a linking group; Y1 and Y2 are, each independently, a phenothiazine group, a phenoxazine group, or a phenazine group; R1, R2, R3, and R4 are, each independently, an alkyl group, an alkenyl group, a heterocyclic group, or an aromatic group; and R5 and R6 are, each independently, a hydrogen, an alkyl group, an alkenyl group, a heterocyclic group, or an aromatic group; and (b) a charge generating compound. Corresponding electrophotographic apparatuses and imaging methods are described.

Abstract: Improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising: (a) a charge transport material having the formula where R1, R2, R3, and R4 are, independently, an alkyl group, an alkaryl group, an aryl group, or a part of a cyclic group; R5 is hydrogen, an alkyl group, an alkaryl group, an aryl group, or a heterocyclic group; X comprises an aromatic group, such as an aryl group or an aromatic heterocyclic group; Y is a linking group; and Z comprises an epoxy group; and (b) a charge generating compound. Corresponding electrophotographic apparatuses and imaging methods are described.

Abstract: Improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising: (a) a charge transport material having the formula ?where R1 and R2 are, each independently, an alkyl group, an alkenyl group, an alkynyl group, an aromatic group, or a heterocyclic group; R3 and R4 are, each independently, H, an alkyl group, an alkenyl group, an alkynyl group, an aromatic group, or a heterocyclic group; X1 and X2 are, each independently, a linking group; Y1 and Y2, each independently, comprise an arylamine group; and Z is a bridging group; and (b) a charge generating compound. Corresponding electrophotographic apparatuses and imaging methods are described.

Abstract: Improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising: (a) a charge transport material having the formula where R1, R2, R3, R4, R5, R6, R7, and R8 are, each independently, an alkyl group, an alkaryl group, an aryl group, or heterocyclic group, X and X? are, each independently, aromatic groups, and Z is a divalent linking group; and (b) a charge generating compound. Corresponding electrophotographic apparatuses and imaging methods are described.

Abstract: Improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising: (a) a charge transport material having the formula where R1, R2, R3, and R4 comprise, each independently, an alkyl group, an alkenyl group, an aromatic group, a heterocyclic group, or a part of a ring group; X and X? comprise, each independently, an aromatic group; Y and Y? comprise, each independently, a (disubstituted)methylene group; and Z is a linking group; (b) a charge generating compound; and (c) an electrically conductive substrate on which said charge transport material and said charge generating compound are located. Corresponding electrophotographic apparatuses and imaging methods are also described.

Abstract: Improved charge transport material comprises the formula: where M comprises a metallocenyl group; Y comprises a functional group selected from the group consisting of a metallocenyl group, a hydrazone group, an azine group, a reactive ring group, an ethylenically unsaturated group, and combinations thereof; R1 and R2 comprise, each independently, H, an organic group, or an organometallic group; and X is a bond, O, S, an aminylene group, a sulfonyl group, an organic linking group, or a combination thereof.

Abstract: An organophotoreceptor comprises an electrically conductive substrate and photoconductive element on the electrically conductive substrate, the photoconductive element having a) a charge transport composition with the formula where Y1 and Y2 are, each independently, an arylamine group; X1 and X2 are, each independently, a linking group; R1 and R2 are, each independently, a hydrogen, an alkyl group, an alkenyl group, a heterocyclic group, an aromatic group; Z is a bridging group; and n is a distribution of integers between 1 and 100,000 with an average value greater than 1; and (b) a charge generating compound. Corresponding electrophotographic apparatuses and imaging methods are described.

Abstract: This invention relates to a novel organophotoreceptor that comprises an electrically conductive substrate and photoconductive element on the electrically conductive substrate, the photoconductive element having a) a charge transport compound having the formula R1 is an aromatic group, an alkyl group, an alkenyl group, or a heterocyclic group; R2 comprises an (N,N-disubstituted)arylamine group; R3 comprises an epoxy group; R4 is H, an aromatic group, an alkyl group, an alkenyl group, or a heterocyclic group; and X is a first linking group; and (b) a charge generating compound. The epoxy group can be reacted with a functional group within the polymer to form a polymeric charge transport compound either directly or through a crosslinking agent. Corresponding electrophotographic apparatuses and imaging methods are also described.