FR2143197B1 - - Google Patents

Info

Publication number
FR2143197B1
FR2143197B1 FR7222369A FR7222369A FR2143197B1 FR 2143197 B1 FR2143197 B1 FR 2143197B1 FR 7222369 A FR7222369 A FR 7222369A FR 7222369 A FR7222369 A FR 7222369A FR 2143197 B1 FR2143197 B1 FR 2143197B1
Authority
FR
France
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
FR7222369A
Other languages
French (fr)
Other versions
FR2143197A1 (de
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of FR2143197A1 publication Critical patent/FR2143197A1/fr
Application granted granted Critical
Publication of FR2143197B1 publication Critical patent/FR2143197B1/fr
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
    • G03G5/0666—Dyes containing a methine or polymethine group
    • G03G5/0668—Dyes containing a methine or polymethine group containing only one methine or polymethine group
    • G03G5/067—Dyes containing a methine or polymethine group containing only one methine or polymethine group containing hetero rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/58—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Pyrane Compounds (AREA)
FR7222369A 1971-06-22 1972-06-21 Expired FR2143197B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4506371A JPS4943894B1 (de) 1971-06-22 1971-06-22

Publications (2)

Publication Number Publication Date
FR2143197A1 FR2143197A1 (de) 1973-02-02
FR2143197B1 true FR2143197B1 (de) 1973-07-13

Family

ID=12708882

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7222369A Expired FR2143197B1 (de) 1971-06-22 1972-06-21

Country Status (4)

Country Link
JP (1) JPS4943894B1 (de)
DE (1) DE2230303C3 (de)
FR (1) FR2143197B1 (de)
GB (1) GB1400163A (de)

Also Published As

Publication number Publication date
DE2230303B2 (de) 1974-04-18
GB1400163A (en) 1975-07-16
DE2230303A1 (de) 1972-12-28
FR2143197A1 (de) 1973-02-02
DE2230303C3 (de) 1974-11-28
JPS4943894B1 (de) 1974-11-25

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Legal Events

Date Code Title Description
ST Notification of lapse