EP0004944A3 - Material for electrophotographic recording - Google Patents

Material for electrophotographic recording Download PDF

Info

Publication number
EP0004944A3
EP0004944A3 EP79101123A EP79101123A EP0004944A3 EP 0004944 A3 EP0004944 A3 EP 0004944A3 EP 79101123 A EP79101123 A EP 79101123A EP 79101123 A EP79101123 A EP 79101123A EP 0004944 A3 EP0004944 A3 EP 0004944A3
Authority
EP
European Patent Office
Prior art keywords
electrophotographic recording
electrophotographic
recording
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.)
Granted
Application number
EP79101123A
Other versions
EP0004944A2 (en
EP0004944B1 (en
Inventor
Erwin Dr. Lind
Franz Freimuth
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.)
Hoechst AG
Original Assignee
Hoechst AG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6037636&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0004944(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hoechst AG filed Critical Hoechst AG
Publication of EP0004944A2 publication Critical patent/EP0004944A2/en
Publication of EP0004944A3 publication Critical patent/EP0004944A3/en
Application granted granted Critical
Publication of EP0004944B1 publication Critical patent/EP0004944B1/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/02Charge-receiving layers
    • G03G5/04Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
    • G03G5/09Sensitisors or activators, e.g. dyestuffs

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photoreceptors In Electrophotography (AREA)
EP79101123A 1978-04-21 1979-04-12 Material for electrophotographic recording Expired EP0004944B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19782817428 DE2817428A1 (en) 1978-04-21 1978-04-21 MATERIAL FOR ELECTROPHOTOGRAPHIC REPRODUCTION
DE2817428 1978-04-21

Publications (3)

Publication Number Publication Date
EP0004944A2 EP0004944A2 (en) 1979-10-31
EP0004944A3 true EP0004944A3 (en) 1979-11-14
EP0004944B1 EP0004944B1 (en) 1983-02-09

Family

ID=6037636

Family Applications (1)

Application Number Title Priority Date Filing Date
EP79101123A Expired EP0004944B1 (en) 1978-04-21 1979-04-12 Material for electrophotographic recording

Country Status (8)

Country Link
US (1) US4252880A (en)
EP (1) EP0004944B1 (en)
JP (1) JPS54145538A (en)
AT (1) AT392852B (en)
BR (1) BR7902457A (en)
CA (1) CA1123254A (en)
DE (2) DE2817428A1 (en)
ZA (1) ZA791899B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2949826A1 (en) * 1979-12-12 1981-06-19 Hoechst Ag, 6230 Frankfurt MATERIAL FOR ELECTROPHOTOGRAPHIC REPRODUCTION
JPS57147656A (en) * 1981-03-09 1982-09-11 Fuji Photo Film Co Ltd Electrophotographic sensitive printing plate material
DE3210576A1 (en) * 1982-03-23 1983-10-06 Hoechst Ag ELECTROPHOTOGRAPHIC RECORDING MATERIAL
JPS60118847A (en) * 1983-11-30 1985-06-26 Dainippon Printing Co Ltd Image forming material and image forming method
EP0152889B1 (en) * 1984-02-18 1987-09-16 BASF Aktiengesellschaft Photosensitive recording material
DE3506436A1 (en) * 1985-02-23 1986-08-28 Hoechst Ag, 6230 Frankfurt NEW STYRENE DERIVATIVES CONTAINING SULPHON, METHOD FOR THE PRODUCTION AND USE THEREOF
DE3509147A1 (en) * 1985-03-14 1986-09-18 Hoechst Ag, 6230 Frankfurt ELECTROPHOTOGRAPHIC RECORDING MATERIAL
DE3513747A1 (en) * 1985-04-17 1986-10-23 Hoechst Ag, 6230 Frankfurt ELECTROPHOTOGRAPHIC RECORDING MATERIAL
DE3541534A1 (en) * 1985-11-25 1987-05-27 Hoechst Ag POSITIVELY WORKING RADIATION-SENSITIVE MIXTURE
JPH02216160A (en) * 1989-02-17 1990-08-29 Iwatsu Electric Co Ltd Electrophotographic sensitive body
DE3938708A1 (en) * 1989-11-17 1991-05-23 Berolina Schriftbild METHOD FOR TREATING A PHOTO LADDER
US6994893B2 (en) * 2001-03-10 2006-02-07 Covion Organic Semiconductors Gmbh Solutions and dispersions of organic semiconductors

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1125235A (en) * 1954-06-02 1956-10-26 Rca Corp Method for extending the spectral sensitivity of photoconductive materials
FR1375297A (en) * 1962-09-21 1964-10-16 Kalle Ag Sensitive layers for electrophotography and method of preparation thereof
US3238149A (en) * 1961-07-10 1966-03-01 Method for improxvlnxg the the photocondug thqe response of dye sensitized zinc ox de
FR1488489A (en) * 1965-07-26 1967-07-13 Ibm Electro-photographic reproduction process
CH450170A (en) * 1964-01-11 1968-01-15 Kalle Ag Multicolor electrophotographic printing process
DE1928703A1 (en) * 1968-06-06 1969-12-11 Agfa Gevaert Ag Photoconductive recording materials
DE2526720A1 (en) * 1975-06-14 1976-12-16 Hoechst Ag MATERIAL FOR ELECTROPHOTOGRAPHIC REPRODUCTION

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE628437A (en) * 1962-02-17
JPS492638B1 (en) * 1970-11-17 1974-01-22
US4025340A (en) * 1971-11-10 1977-05-24 Fuji Photo Film Co., Ltd. Process for toning electrophotographic photosensitive material

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1125235A (en) * 1954-06-02 1956-10-26 Rca Corp Method for extending the spectral sensitivity of photoconductive materials
US3238149A (en) * 1961-07-10 1966-03-01 Method for improxvlnxg the the photocondug thqe response of dye sensitized zinc ox de
FR1375297A (en) * 1962-09-21 1964-10-16 Kalle Ag Sensitive layers for electrophotography and method of preparation thereof
CH450170A (en) * 1964-01-11 1968-01-15 Kalle Ag Multicolor electrophotographic printing process
FR1488489A (en) * 1965-07-26 1967-07-13 Ibm Electro-photographic reproduction process
DE1928703A1 (en) * 1968-06-06 1969-12-11 Agfa Gevaert Ag Photoconductive recording materials
DE2526720A1 (en) * 1975-06-14 1976-12-16 Hoechst Ag MATERIAL FOR ELECTROPHOTOGRAPHIC REPRODUCTION

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
RESEARCH DISCLOSURES - PRODUCT LICENSING INDEX, Nr. 99, Juli 1972 Abstract 9912 Hampshire (UK) "Supersensitization of spectrally sensitized organic photoconductive formulations", Seiten 39-40. *
RESEARCH DISCLOSURES - PRODUCT LICENSING INDEX, Nr. 99, Juli 1972, Abstract 9913 Hampshire (UK) "Supersensitization of spectrally sensitized p-type photoconductive systems", Seiten 54-55. *

Also Published As

Publication number Publication date
EP0004944A2 (en) 1979-10-31
JPS6251462B2 (en) 1987-10-30
ATA296779A (en) 1990-11-15
ZA791899B (en) 1980-04-30
US4252880A (en) 1981-02-24
CA1123254A (en) 1982-05-11
BR7902457A (en) 1979-10-30
EP0004944B1 (en) 1983-02-09
DE2964691D1 (en) 1983-03-17
DE2817428A1 (en) 1979-10-31
AT392852B (en) 1991-06-25
JPS54145538A (en) 1979-11-13

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