GB457450A - Manufacture of dyes and process for sensitising photographic silver halide emulsions - Google Patents

Manufacture of dyes and process for sensitising photographic silver halide emulsions

Info

Publication number
GB457450A
GB457450A GB15207/32A GB1520735A GB457450A GB 457450 A GB457450 A GB 457450A GB 15207/32 A GB15207/32 A GB 15207/32A GB 1520735 A GB1520735 A GB 1520735A GB 457450 A GB457450 A GB 457450A
Authority
GB
United Kingdom
Prior art keywords
dyes
condensing
alkyl
prepared
sensitizing
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
GB15207/32A
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.)
Gevaert Photo Producten NV
Original Assignee
Gevaert Photo Producten NV
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 Gevaert Photo Producten NV filed Critical Gevaert Photo Producten NV
Publication of GB457450A publication Critical patent/GB457450A/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
    • C09B23/02—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- 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
    • C09B23/12—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain being branched "branched" means that the substituent on the polymethine chain forms a new conjugated system, e.g. most trinuclear cyanine 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
    • C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/14—Styryl dyes
    • C09B23/145—Styryl dyes the ethylene chain carrying an heterocyclic residue, e.g. heterocycle-CH=CH-C6H5

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
  • Plural Heterocyclic Compounds (AREA)
GB15207/32A 1934-07-21 1935-05-24 Manufacture of dyes and process for sensitising photographic silver halide emulsions Expired GB457450A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT457450X 1934-07-21

Publications (1)

Publication Number Publication Date
GB457450A true GB457450A (en) 1936-11-24

Family

ID=3674512

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15207/32A Expired GB457450A (en) 1934-07-21 1935-05-24 Manufacture of dyes and process for sensitising photographic silver halide emulsions

Country Status (3)

Country Link
BE (1) BE409626A (US20100223739A1-20100909-C00025.png)
FR (1) FR792259A (US20100223739A1-20100909-C00025.png)
GB (1) GB457450A (US20100223739A1-20100909-C00025.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2610121A (en) * 1946-07-05 1952-09-09 Gevaert Photo Prod Nv Photographic silver halide emulsions

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2610121A (en) * 1946-07-05 1952-09-09 Gevaert Photo Prod Nv Photographic silver halide emulsions

Also Published As

Publication number Publication date
FR792259A (fr) 1935-12-26
BE409626A (US20100223739A1-20100909-C00025.png)

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