GB469604A - Manufacture of dyes for use in photographic silver halide emulsions - Google Patents

Manufacture of dyes for use in photographic silver halide emulsions

Info

Publication number
GB469604A
GB469604A GB29702/35A GB2970235A GB469604A GB 469604 A GB469604 A GB 469604A GB 29702/35 A GB29702/35 A GB 29702/35A GB 2970235 A GB2970235 A GB 2970235A GB 469604 A GB469604 A GB 469604A
Authority
GB
United Kingdom
Prior art keywords
pyridyl
chloride
methyl
pyridinium
given
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
GB29702/35A
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 GB469604A publication Critical patent/GB469604A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/02Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups
    • C09B23/08Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups more than three >CH- groups, e.g. polycarbocyanines
    • C09B23/086Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups more than three >CH- groups, e.g. polycarbocyanines more than five >CH- groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pyridine Compounds (AREA)
GB29702/35A 1934-10-27 1935-10-28 Manufacture of dyes for use in photographic silver halide emulsions Expired GB469604A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT469604X 1934-10-27

Publications (1)

Publication Number Publication Date
GB469604A true GB469604A (en) 1937-07-28

Family

ID=3674726

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29702/35A Expired GB469604A (en) 1934-10-27 1935-10-28 Manufacture of dyes for use in photographic silver halide emulsions

Country Status (3)

Country Link
BE (1) BE411947A (enrdf_load_html_response)
FR (1) FR796789A (enrdf_load_html_response)
GB (1) GB469604A (enrdf_load_html_response)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB870633A (en) * 1958-05-14 1961-06-14 Ilford Ltd Pentamethincyanines
DE3738240A1 (de) * 1987-11-11 1989-05-24 Bayer Ag Tetraindolyl-heptamethin-ether, -alkohole und farbstoffe

Also Published As

Publication number Publication date
BE411947A (enrdf_load_html_response)
FR796789A (fr) 1936-04-15

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