GB1223155A - Increasing the light-sensitivity of electrophotographic copying materials - Google Patents

Increasing the light-sensitivity of electrophotographic copying materials

Info

Publication number
GB1223155A
GB1223155A GB1681368A GB1681368A GB1223155A GB 1223155 A GB1223155 A GB 1223155A GB 1681368 A GB1681368 A GB 1681368A GB 1681368 A GB1681368 A GB 1681368A GB 1223155 A GB1223155 A GB 1223155A
Authority
GB
United Kingdom
Prior art keywords
sensitivity
increasing
light
electrophotographic copying
april
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
GB1681368A
Other languages
English (en)
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 GB1223155A publication Critical patent/GB1223155A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/10—The polymethine chain containing an even number of >CH- groups
    • 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
    • C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/10—The polymethine chain containing an even number of >CH- groups
    • C09B23/107—The polymethine chain containing an even number of >CH- groups four >CH- groups
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photoreceptors In Electrophotography (AREA)
GB1681368A 1967-04-12 1968-04-08 Increasing the light-sensitivity of electrophotographic copying materials Expired GB1223155A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2279367 1967-04-12

Publications (1)

Publication Number Publication Date
GB1223155A true GB1223155A (en) 1971-02-24

Family

ID=12092540

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1681368A Expired GB1223155A (en) 1967-04-12 1968-04-08 Increasing the light-sensitivity of electrophotographic copying materials

Country Status (4)

Country Link
BE (1) BE713527A (cg-RX-API-DMAC10.html)
DE (1) DE1772188B2 (cg-RX-API-DMAC10.html)
GB (1) GB1223155A (cg-RX-API-DMAC10.html)
NL (1) NL6805206A (cg-RX-API-DMAC10.html)

Also Published As

Publication number Publication date
BE713527A (cg-RX-API-DMAC10.html) 1968-08-16
DE1772188B2 (de) 1972-04-20
NL6805206A (cg-RX-API-DMAC10.html) 1968-10-14
DE1772188A1 (de) 1971-02-11

Similar Documents

Publication Publication Date Title
ES421509A1 (es) Perfeccionamientos introducidos en estructuras electricas fotoconductoras.
GB1311361A (en) Electrophotographic material
JPS54119925A (en) Photosensitive material for electrophotography
JPS5389435A (en) Electrophotographic photosensitive plate
GB1071433A (en) Electrophotographic colour printing
GB1227938A (cg-RX-API-DMAC10.html)
GB1223155A (en) Increasing the light-sensitivity of electrophotographic copying materials
GB932869A (en) Improvements in or relating to materials for electro-photographic reproduction
GB1234706A (en) Electrophotographic material
GB1283433A (en) Fluorene type compounds as organic photoconductors
GB1244764A (en) Improvements in or relating to organic photoconductors, useful, for example, in electrophotography
GB1278702A (en) Electrophotographic process
GB1195147A (en) Reproduction Material for use in Electrophotography
GB1163097A (en) Photoconductive Material
GB1294509A (en) Photoconductive compositions
GB1192267A (en) Sensitizing methods and materials for use in Electrophotography
GB1286079A (en) Electrophotographic plate and process
GB940531A (en) Improvements in or relating to material for electro-photographic reproduction
GB1232470A (cg-RX-API-DMAC10.html)
GB1310437A (en) Photo-sensitive material for electrophotography
GB1484906A (en) Photoconductive element
GB1181093A (en) Continuous Tone Thermoplastic Photography
ES428055A1 (es) Un procedimiento de copiado electrofotografico indirecto.
GB1312661A (en) Electrophotographic copying apparatus
GB1226892A (cg-RX-API-DMAC10.html)