GB2235463B - Photographic emulsions containing pentamethine cyanine dyes - Google Patents

Photographic emulsions containing pentamethine cyanine dyes

Info

Publication number
GB2235463B
GB2235463B GB8919195A GB8919195A GB2235463B GB 2235463 B GB2235463 B GB 2235463B GB 8919195 A GB8919195 A GB 8919195A GB 8919195 A GB8919195 A GB 8919195A GB 2235463 B GB2235463 B GB 2235463B
Authority
GB
United Kingdom
Prior art keywords
cyanine dyes
emulsions containing
photographic emulsions
pentamethine cyanine
pentamethine
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 - Lifetime
Application number
GB8919195A
Other versions
GB2235463A (en
GB8919195D0 (en
Inventor
Geoffrey Ernest Fichen
Terence Charles Webb
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.)
Ilford Imaging UK Ltd
Original Assignee
Ilford 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 Ilford Ltd filed Critical Ilford Ltd
Priority to GB8919195A priority Critical patent/GB2235463B/en
Publication of GB8919195D0 publication Critical patent/GB8919195D0/en
Publication of GB2235463A publication Critical patent/GB2235463A/en
Application granted granted Critical
Publication of GB2235463B publication Critical patent/GB2235463B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C09B23/08—Methine 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
    • C09B23/083—Methine 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 five >CH- groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Indole Compounds (AREA)
GB8919195A 1989-08-23 1989-08-23 Photographic emulsions containing pentamethine cyanine dyes Expired - Lifetime GB2235463B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8919195A GB2235463B (en) 1989-08-23 1989-08-23 Photographic emulsions containing pentamethine cyanine dyes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8919195A GB2235463B (en) 1989-08-23 1989-08-23 Photographic emulsions containing pentamethine cyanine dyes

Publications (3)

Publication Number Publication Date
GB8919195D0 GB8919195D0 (en) 1989-10-04
GB2235463A GB2235463A (en) 1991-03-06
GB2235463B true GB2235463B (en) 1992-04-29

Family

ID=10662023

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8919195A Expired - Lifetime GB2235463B (en) 1989-08-23 1989-08-23 Photographic emulsions containing pentamethine cyanine dyes

Country Status (1)

Country Link
GB (1) GB2235463B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH684194A5 (en) * 1991-01-26 1994-07-29 Sandoz Ag Pigments in the form of intermolecular salts of zwitterionic dyes.
CN101787218B (en) * 2010-01-15 2014-04-02 大连理工大学 Conjugated chain beta-N-substituted cyanine fluorescent dye
CN102127059B (en) * 2010-12-22 2013-08-21 江苏迈健生物科技发展有限公司 Near-infrared fluorescent probe with maximum Stoke displacement

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2208514A (en) * 1987-08-07 1989-04-05 Asahi Chemical Co New cyanine dyes for optical recording

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2208514A (en) * 1987-08-07 1989-04-05 Asahi Chemical Co New cyanine dyes for optical recording

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP 64/40386 A Chemical Abstracts 111 68054m *

Also Published As

Publication number Publication date
GB2235463A (en) 1991-03-06
GB8919195D0 (en) 1989-10-04

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940823