Patents by Inventor Maryte Daskeviciene
Maryte Daskeviciene has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20060210897Abstract: 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.Type: ApplicationFiled: March 16, 2005Publication date: September 21, 2006Inventors: Nusrallah Jubran, Patrick Knoll, Vytautas Getautis, Tadas Malinauskas, Maryte Daskeviciene, Edmundas Montrimas, Jonas Sidaravicius
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Patent number: 7090953Abstract: 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.Type: GrantFiled: February 4, 2004Date of Patent: August 15, 2006Assignee: Samsung Electronics Co., Ltd.Inventors: Vytautas Getautis, Maryte Daskeviciene, Tadas Malinauskas, Edmundas Montrimas, Jonas Sidaravicius, Zbigniew Tokarski, Nusrallah Jubran, Kam W. Law
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Publication number: 20060166118Abstract: 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.Type: ApplicationFiled: January 27, 2005Publication date: July 27, 2006Inventors: Maryte Daskeviciene, Vytautas Getautis, Tadeus Lozovski, Edmundas Montrimas
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Patent number: 7074532Abstract: 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 where one or more methylene groups can be optionally replaced by O, S, a carbonyl group, urethane, urea, an ester group, a —NR16 group, a CHR17 group, or a CR18R19 group where R16, R17, R18 and R19 are, independently, H, hydroxyl, thiol, an amine group, an alkyl group, an alkaryl group, an aryl group, or part of a ring; and B is a second linking group having the formula -Q-Z-Q?-, where Q and Q? are, independently, O, S, or NR1, where R1 is an H, an alkyl group, an alkaryl group or an aryl group, and Z comprises a heterocyclic group; (b) a charge generating compound; and (c) an electrically conductive substrate over which said charge transport compound aType: GrantFiled: September 16, 2003Date of Patent: July 11, 2006Assignee: Samsung Electronics, Co., Ltd.Inventors: Zbigniew Tokarski, Nusrallah Jubran, Vytautas Getautis, Maryte Daskeviciene, Vygintas Jankauskas, Janina Gavutiene
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Publication number: 20060147827Abstract: 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.Type: ApplicationFiled: March 2, 2006Publication date: July 6, 2006Inventors: Zbigniew Tokarski, Nusrallah Jubran, Kam Law, Vytautas Getautis, Jonas Sidaravicius, Maryte Daskeviciene, Vygintas Jankauskas, Edmundas Montrimas, Valentas Gaidelis, Albina Stanisauskaite
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Publication number: 20060127794Abstract: 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 where one or more methylene groups can be optionally replaced by O, S, a carbonyl group, urethane, urea, an ester group, a —NR21 group, a CHR22 group, or a CR23R24 group where R21, R22, R23 and R24 are, independently, H, hydroxyl, thiol, an amine group, an alkyl group, an alkaryl group, an aryl group, or part of a ring; 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 or —Y—W—Y?— wherein Y and Y? comprise, independently, an aryl group and W comprises a CType: ApplicationFiled: February 21, 2006Publication date: June 15, 2006Inventors: Zbigniew Tokarski, Nusrallah Jubran, Vytautas Getautis, Edmundas Montrimas, Maryte Daskeviciene, Valentas Gaidelis, Vygintas Jankauskas
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Patent number: 7029812Abstract: 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.Type: GrantFiled: August 5, 2003Date of Patent: April 18, 2006Assignee: Samsung Electronics Co., Ltd.Inventors: Zbigniew Tokarski, Nusrallah Jubran, Kam W. Law, Vytautas Getautis, Jonas V. Sidaravicius, Maryte Daskeviciene, Vygintas Jankauskas, Edmundas Montrimas, Valentas Gaidelis, Albina Stanisauskaite
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Publication number: 20050277038Abstract: 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.Type: ApplicationFiled: June 10, 2004Publication date: December 15, 2005Inventors: Nusrallah Jubran, Zbigniew Tokarski, Maryte Daskeviciene, Valentas Gaidelis, Vytautas Getautis, Edmundas Montrimas, Albina Stanisauskaite
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Patent number: 6964833Abstract: 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 or Y—W—Y?, where the groups R1, Y, W, and Y? are defined in the specification; (b) a charge generating compound; and (c) an electrically conductive substrate over which said charge transport compound and said charge generating compound are located.Type: GrantFiled: May 7, 2003Date of Patent: November 15, 2005Assignee: Samsung Electronics Co., Ltd.Inventors: Zbigniew Tokarski, Nusrallah Jubran, Vytautas Getautis, Edmundas Montrimas, Maryte Daskeviciene, Valentas Gaidelis, Vygintas Jankauskas
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Publication number: 20050244732Abstract: 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.Type: ApplicationFiled: April 30, 2004Publication date: November 3, 2005Inventors: Zbigniew Tokarski, Nusrallah Jubran, Vytautas Getautis, Jonas Sidaravicius, Edmundas Montrimas, Maryte Daskeviciene, Valentas Gaidelis, Vygintas Jankauskas, Albina Stanisauskaite
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Publication number: 20050238978Abstract: 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 comprises a linking group; R1 and R1? comprise, each independently, H, an alkyl group, an alkenyl group, an alkynyl group, an aromatic group, or a heterocyclic group; and R2, R3, R2?, and R3? comprise, each independently, an arylamine group; and (b) a charge generating compound. Corresponding electrophotographic apparatuses, imaging methods, and methods of forming the charge transport material are described.Type: ApplicationFiled: April 27, 2004Publication date: October 27, 2005Inventors: Zbigniew Tokarski, Nusrallah Jubran, Vytautas Getautis, Maryte Daskeviciene, Ingrida Paulauskaite, Robertas Maldzius, Jonas Sidaravicius
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Publication number: 20050221213Abstract: 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 alkenyl group, an alkynyl group, an aryl group, or a heterocyclic group; R9 and R10 are, each independently, H, an alkyl group, an alkenyl group, an alkynyl group, an aryl group, or a heterocyclic group; Ar1 and Ar2 are, each independently, an aromatic group; Y is an arylamine group; and X1 and X2 are, each independently, a linking group; and (b) a charge generating compound. Corresponding electrophotographic apparatuses and imaging methods are described.Type: ApplicationFiled: March 31, 2004Publication date: October 6, 2005Inventors: Nusrallah Jubran, Zbigniew Tokarski, Vytautas Getautis, Maryte Daskeviciene, Tadas Malinauskas, Jonas Sidaravicius, Vygintas Jankauskas
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Patent number: 6899984Abstract: This invention relates to a novel organophotoreceptor that includes: (a) a charge transport compound having the formula where n is an integer from 0 to 1 inclusive; X is an (N,N-disubstituted)arylamine, such as a carbazole group, a julolidine group, or a p-(N,N-disubstituted)arylamine group (which can be a triarylamine, an alkyldiarylamine or a dialkylarylamine); Ar is an aryl group or a heterocyclic group; A is a linking group having the formula —S—(CH2)m—S— where m is an integer from 1 to 15 inclusive and; B is a second linking group with the formula —(CH2)p— which can be branched or linear, where p is an integer from 3 and 20 inclusive and where one or more methylene groups can be optionally replaced by O, S, a carbonyl group, urethane, urea, an ester group, a —NR21 group, a CHR22 group, or a CR23R24 group where R21, R22, R23 and R24 are, independently, H, hydroxyl, thiol, an amine group, an alkyl group, an alkaryl group, an aryl group, or part of a ring; (b) a charge generating compound; and (c)Type: GrantFiled: May 7, 2003Date of Patent: May 31, 2005Assignee: Samsung Electronics Co., Ltd.Inventors: Zbigniew Tokarski, Nusrallah Jubran, Vytautas Getautis, Jonas V. Sidaravicius, Edmundas Montrimas, Maryte Daskeviciene, Valentas Gaidelis, Vygintas Jankauskas, Albina Stanisauskaite
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Publication number: 20050058920Abstract: Improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising: (a) a charge transport compound having the formula where R1 and R2 are, independently, hydrogen, an alkyl group, an alkaryl group or an aryl group; X is an aromatic group; Y is an (N,N-disubstituted)arylamine; Z is (CH2)m group where m is an integer between 0 and 30 where one or more of the methylene groups is optionally replaced by O, S, C?O, O?C—O, O?C—NR3, sulfoxide, sulfate, phosphate, an aryl group, urethane, urea, NR4 group, CHR5 group, or CR6R7 group where R3, R4, R5, R6, and R7 are, independently, H, hydroxyl, thiol, an amine group, an alkyl group, an alkaryl group, a heterocyclic group, or an aryl group, and E is a bond, O, S, C?O, NR8, CR9R10 group, a hetrocyclic group, or an aromatic group where R8, R9, and R10 are, independently, H, an alkyl group, an alkaryl group, or an aryl group; and (b) a charge generatType: ApplicationFiled: September 16, 2003Publication date: March 17, 2005Inventors: Zbigniew Tokarski, Nusrallah Jubran, Vytautas Getautis, Maryte Daskeviciene, Ingrida Paulauskaite, Robertas Maldzius, Jonas Sidaravicius
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Publication number: 20050058916Abstract: 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 where one or more methylene groups can be optionally replaced by O, S, a carbonyl group, urethane, urea, an ester group, a —NR16 group, a CHR17 group, or a CR18R19 group where R16, R17, R18 and R19 are, independently, H, hydroxyl, thiol, an amine group, an alkyl group, an alkaryl group, an aryl group, or part of a ring; and B is a second linking group having the formula -Q-Z-Q?-, where Q and Q? are, independently, O, S, or NR1, where R1 is an H, an alkyl group, an alkaryl group or an aryl group, and Z comprises a heterocyclic group; (b) a charge generating compound; and (c) an electrically conductive substrate over which said charge transport compound and saType: ApplicationFiled: September 16, 2003Publication date: March 17, 2005Inventors: Zbigniew Tokarski, Nusrallah Jubran, Vytautas Getautis, Maryte Daskeviciene, Vygintas Jankauskas, Janina Gavutiene
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Publication number: 20040265717Abstract: Improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising:Type: ApplicationFiled: January 16, 2004Publication date: December 30, 2004Inventors: Zbigniew Tokarski, Nusrallah Jubran, Vytautas Getautis, Valentas Gaidelis, Maryte Daskeviciene, Edmundas Montrimas, Ingrida Paulauskaite, Jonas Sidaravicius
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Publication number: 20040161685Abstract: This invention relates to a novel organophotoreceptor that comprises an electrically conductive substrate and photoconductive element on the electrically conductive substrate, the photoconductive element havingType: ApplicationFiled: February 4, 2004Publication date: August 19, 2004Inventors: Vytautas Getautis, Maryte Daskeviciene, Tadas Malinauskas, Edmundas Montrimas, Jonas Sidaravicius, Zbigniew Tokarski, Nusrallah Jubran, Kam W. Law
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Publication number: 20040157145Abstract: Improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising:Type: ApplicationFiled: December 30, 2003Publication date: August 12, 2004Inventors: Zbigniew Tokarski, Nusrallah Jubran, Kam W. Law, Vytautas Getautis, Maryte Daskeviciene, Edmundas Montrimas, Janina Gavutiene
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Publication number: 20040152002Abstract: Improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising:Type: ApplicationFiled: December 30, 2003Publication date: August 5, 2004Inventors: Zbigniew Tokarski, Nusrallah Jubran, Vytautas Getautis, Maryte Daskeviciene, Valentas Gaidelis, Vygintas Jankauskas
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Patent number: 6768010Abstract: Organophotoreceptors comprise an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising: a) a charge transport compound having the formula where R1 and R2 are, independently, hydrogen, an alkyl group, a heterocyclic group, an alkaryl group or an aryl group; X is an aromatic group; Y is an (N,N-disubstituted) arylamine group, such as a (N,N-disubstituted) arylamine group, a carbazole group or a julolidine group; Z is (CH2)m group where m is an integer between 1 and 30 where one or more of the methylene groups is optionally replaced by O, S, C═O, O═C—O, O═C—NR3, sulfoxide, sulfate, phosphate, an aryl group, urethane, urea, a NR4 group, a CHR5 group, or a CR6R7 group where R3, R4, R5, R6, and R7 are, independently, H, hydroxyl, thiol, an amine group, an alkyl group, a heterocyclic group, an alkaryl group, or an aryl group; and E is an epoxy group; and (b) a charge generating coType: GrantFiled: September 16, 2003Date of Patent: July 27, 2004Assignee: Samsung Electronics Co., Ltd.Inventors: Zbigniew Tokarski, Nusrallah Jubran, Vytautas Getautis, Maryte Daskeviciene, Edmundas Montrimas, Valentas Gaidelis