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GB1370197A - Electrophotographic processing using disazo pigments - Google Patents

Electrophotographic processing using disazo pigments

Info

Publication number
GB1370197A
GB1370197A GB905172A GB905172A GB1370197A GB 1370197 A GB1370197 A GB 1370197A GB 905172 A GB905172 A GB 905172A GB 905172 A GB905172 A GB 905172A GB 1370197 A GB1370197 A GB 1370197A
Authority
GB
United Kingdom
Prior art keywords
disazo pigments
electrophotographic processing
electrophotographic
processing
disazo
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB905172A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB1370197A publication Critical patent/GB1370197A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/02—Charge-receiving layers
    • G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
    • G03G5/06—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor characterised by the photoconductive material being organic
    • G03G5/0664—Dyes
    • G03G5/0675—Azo dyes
    • G03G5/0679—Disazo dyes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/02—Disazo dyes
    • C09B35/039—Disazo dyes characterised by the tetrazo component
    • C09B35/08—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl
    • C09B35/10—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl from two coupling components of the same type

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Photoreceptors In Electrophotography (AREA)
GB905172A 1971-03-30 1972-02-28 Electrophotographic processing using disazo pigments Expired GB1370197A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12963571A 1971-03-30 1971-03-30

Publications (1)

Publication Number Publication Date
GB1370197A true GB1370197A (en) 1974-10-16

Family

ID=22440895

Family Applications (1)

Application Number Title Priority Date Filing Date
GB905172A Expired GB1370197A (en) 1971-03-30 1972-02-28 Electrophotographic processing using disazo pigments

Country Status (5)

Country Link
CA (1) CA980160A (en)
DE (1) DE2215068A1 (en)
FR (1) FR2131348A5 (en)
GB (1) GB1370197A (en)
IT (1) IT946574B (en)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4018606A (en) * 1974-05-03 1977-04-19 Eastman Kodak Company Organic azo pigment sensitizers for photoconductive layers
US4145299A (en) 1976-06-01 1979-03-20 Eastman Kodak Company Electrographic liquid developers containing azo dye marking particles derived from 2,3-naphthalenediol or derivatives thereof
US4175960A (en) * 1974-12-20 1979-11-27 Eastman Kodak Company Multi-active photoconductive element having an aggregate charge generating layer
FR2453435A1 (en) * 1979-04-02 1980-10-31 Oce Nederland Bv DEVELOPMENT METHOD WITH INVERSION
US4391889A (en) 1980-12-13 1983-07-05 Canon Kabushiki Kaisha Electrophotographic photosensitive member with benzimidazole ring containing hydrazones
US4413045A (en) 1981-05-26 1983-11-01 Canon Kabushiki Kaisha Multilayer electrophotographic photosensitive member comprises disazo charge generator layer, hydrazone transport layer
US4418133A (en) 1981-03-27 1983-11-29 Canon Kabushiki Kaisha Disazo photoconductive material and electrophotographic photosensitive member having disazo pigment layer
US4423129A (en) 1980-12-17 1983-12-27 Canon Kabushiki Kaisha Electrophotographic member having layer containing methylidenyl hydrazone compound
US4427753A (en) 1981-06-02 1984-01-24 Canon Kabushiki Kaisha Electrophotographic photosensitive member with disazo or trisazo compound
US4446217A (en) * 1981-02-03 1984-05-01 Canon Kabushiki Kaisha Electrophotographic photosensitive member having a hydrazone containing layer
US4456671A (en) * 1981-12-23 1984-06-26 Canon Kabushiki Kaisha Electrophotographic photosensitive member having a photosensitive layer containing a hydrazone compound
US4487824A (en) * 1982-05-17 1984-12-11 Canon Kabushiki Kaisha Electrophotographic photosensitive member containing a halogen substituted hydrazone
US7800680B2 (en) 2003-10-07 2010-09-21 Lensbabies, Llc Flexible lens mount system for rapid tilt photography
US7897309B2 (en) 2006-12-01 2011-03-01 Ricoh Company, Ltd. Bisazo compound, 2-hydroxy-3-phenylcarbamoyl naphthalene compound and method manufacturing bisazo compound
US8075201B2 (en) 2006-08-30 2011-12-13 Lensbaby, Llc Movable lens systems and associated methods

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL184708C (en) * 1975-07-04 1989-10-02 Oce Van Der Grinten Nv ELECTROPHOTOGRAPHIC COPY PROCESS AND PRODUCT OBTAINED THEREFROM.
US4123270A (en) * 1975-09-15 1978-10-31 International Business Machines Corporation Method of making electrophotographic imaging element
JPS5569147A (en) * 1978-11-20 1980-05-24 Ricoh Co Ltd Electrophotographic photoreceptor
JPS55151645A (en) * 1979-05-15 1980-11-26 Ricoh Co Ltd Laminate type electrophotographic receptor
JPS56143437A (en) * 1980-04-11 1981-11-09 Ricoh Co Ltd Electrophotographic receptor
US4390611A (en) * 1980-09-26 1983-06-28 Shozo Ishikawa Electrophotographic photosensitive azo pigment containing members
US4868080A (en) * 1986-12-03 1989-09-19 Canon Kabushiki Kaisha Electrophotographic photosensitive member comprising aromatic azo pigment containing cyclic amino group

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4018606A (en) * 1974-05-03 1977-04-19 Eastman Kodak Company Organic azo pigment sensitizers for photoconductive layers
US4175960A (en) * 1974-12-20 1979-11-27 Eastman Kodak Company Multi-active photoconductive element having an aggregate charge generating layer
US4145299A (en) 1976-06-01 1979-03-20 Eastman Kodak Company Electrographic liquid developers containing azo dye marking particles derived from 2,3-naphthalenediol or derivatives thereof
FR2453435A1 (en) * 1979-04-02 1980-10-31 Oce Nederland Bv DEVELOPMENT METHOD WITH INVERSION
US4391889A (en) 1980-12-13 1983-07-05 Canon Kabushiki Kaisha Electrophotographic photosensitive member with benzimidazole ring containing hydrazones
US4423129A (en) 1980-12-17 1983-12-27 Canon Kabushiki Kaisha Electrophotographic member having layer containing methylidenyl hydrazone compound
US4446217A (en) * 1981-02-03 1984-05-01 Canon Kabushiki Kaisha Electrophotographic photosensitive member having a hydrazone containing layer
US4418133A (en) 1981-03-27 1983-11-29 Canon Kabushiki Kaisha Disazo photoconductive material and electrophotographic photosensitive member having disazo pigment layer
US4413045A (en) 1981-05-26 1983-11-01 Canon Kabushiki Kaisha Multilayer electrophotographic photosensitive member comprises disazo charge generator layer, hydrazone transport layer
US4427753A (en) 1981-06-02 1984-01-24 Canon Kabushiki Kaisha Electrophotographic photosensitive member with disazo or trisazo compound
US4456671A (en) * 1981-12-23 1984-06-26 Canon Kabushiki Kaisha Electrophotographic photosensitive member having a photosensitive layer containing a hydrazone compound
US4487824A (en) * 1982-05-17 1984-12-11 Canon Kabushiki Kaisha Electrophotographic photosensitive member containing a halogen substituted hydrazone
US7800680B2 (en) 2003-10-07 2010-09-21 Lensbabies, Llc Flexible lens mount system for rapid tilt photography
US8289436B2 (en) 2003-10-07 2012-10-16 Lensbaby, Llc Flexible lens mount system for rapid tilt photography
US8773571B2 (en) 2003-10-07 2014-07-08 Lensbaby, Inc. Flexible lens mount system for rapid tilt photography
US8075201B2 (en) 2006-08-30 2011-12-13 Lensbaby, Llc Movable lens systems and associated methods
US7897309B2 (en) 2006-12-01 2011-03-01 Ricoh Company, Ltd. Bisazo compound, 2-hydroxy-3-phenylcarbamoyl naphthalene compound and method manufacturing bisazo compound

Also Published As

Publication number Publication date
DE2215068A1 (en) 1972-10-05
IT946574B (en) 1973-05-21
CA980160A (en) 1975-12-23
FR2131348A5 (en) 1972-11-10

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Legal Events

Date Code Title Description
PS Patent sealed
433D Application made for revocation (sect. 33/1949)
433C Case decided by the comptroller ** specification amended (sect. 33/1949)
SP Amendment (slips) printed
PCNP Patent ceased through non-payment of renewal fee