FR2027894A1 - - Google Patents

Info

Publication number
FR2027894A1
FR2027894A1 FR6942820A FR6942820A FR2027894A1 FR 2027894 A1 FR2027894 A1 FR 2027894A1 FR 6942820 A FR6942820 A FR 6942820A FR 6942820 A FR6942820 A FR 6942820A FR 2027894 A1 FR2027894 A1 FR 2027894A1
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.)
Withdrawn
Application number
FR6942820A
Other languages
French (fr)
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 FR2027894A1 publication Critical patent/FR2027894A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D498/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms
    • C07D498/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms in which the condensed system contains two hetero rings
    • C07D498/04—Ortho-condensed systems
    • 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
    • G03G5/0622—Heterocyclic compounds
    • G03G5/0644—Heterocyclic compounds containing two or more hetero rings
    • G03G5/0646—Heterocyclic compounds containing two or more hetero rings in the same ring system
    • G03G5/065—Heterocyclic compounds containing two or more hetero rings in the same ring system containing three relevant rings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
  • Coloring (AREA)
FR6942820A 1969-01-08 1969-12-11 Withdrawn FR2027894A1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US78993069A 1969-01-08 1969-01-08

Publications (1)

Publication Number Publication Date
FR2027894A1 true FR2027894A1 (enrdf_load_stackoverflow) 1970-10-02

Family

ID=25149143

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6942820A Withdrawn FR2027894A1 (enrdf_load_stackoverflow) 1969-01-08 1969-12-11

Country Status (3)

Country Link
DE (1) DE1963196A1 (enrdf_load_stackoverflow)
FR (1) FR2027894A1 (enrdf_load_stackoverflow)
GB (1) GB1287871A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE1963196A1 (de) 1970-07-23
GB1287871A (enrdf_load_stackoverflow) 1972-09-06

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Legal Events

Date Code Title Description
ST Notification of lapse