GB1335972A - Merocyanine dyes and their like use in photography - Google Patents

Merocyanine dyes and their like use in photography

Info

Publication number
GB1335972A
GB1335972A GB277070A GB1335972DA GB1335972A GB 1335972 A GB1335972 A GB 1335972A GB 277070 A GB277070 A GB 277070A GB 1335972D A GB1335972D A GB 1335972DA GB 1335972 A GB1335972 A GB 1335972A
Authority
GB
United Kingdom
Prior art keywords
stands
groups
nucleus
carry
emulsions
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
GB277070A
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.)
Agfa Gevaert NV
Agfa Gevaert AG
Original Assignee
Agfa Gevaert NV
Agfa Gevaert AG
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 Agfa Gevaert NV, Agfa Gevaert AG filed Critical Agfa Gevaert NV
Publication of GB1335972A publication Critical patent/GB1335972A/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
    • C09B23/105—The polymethine chain containing an even number of >CH- groups two >CH- groups
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
    • G03C1/08—Sensitivity-increasing substances
    • G03C1/10—Organic substances
    • G03C1/12—Methine and polymethine dyes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB277070A 1970-01-20 1970-01-20 Merocyanine dyes and their like use in photography Expired GB1335972A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB277070 1970-01-20

Publications (1)

Publication Number Publication Date
GB1335972A true GB1335972A (en) 1973-10-31

Family

ID=9745569

Family Applications (1)

Application Number Title Priority Date Filing Date
GB277070A Expired GB1335972A (en) 1970-01-20 1970-01-20 Merocyanine dyes and their like use in photography

Country Status (7)

Country Link
US (1) US3752673A (https=)
JP (1) JPS511126B1 (https=)
BE (1) BE761609A (https=)
DE (1) DE2102176A1 (https=)
FR (1) FR2075675A5 (https=)
GB (1) GB1335972A (https=)
SU (1) SU425414A3 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5679795A (en) * 1995-02-28 1997-10-21 Eastman Kodak Company Method of synthesizing dyes and precursor compounds therefor
US5563021A (en) * 1995-03-31 1996-10-08 Eastman Kodak Company Photographic elements with tetra-nuclear merocyanine sensitizers

Also Published As

Publication number Publication date
SU425414A3 (ru) 1974-04-25
US3752673A (en) 1973-08-14
FR2075675A5 (https=) 1971-10-08
BE761609A (nl) 1971-07-15
JPS511126B1 (https=) 1976-01-14
DE2102176A1 (de) 1971-07-29

Similar Documents

Publication Publication Date Title
GB1413560A (en) Oxonol dyes their synthesis and photographic material containing them
GB1213056A (en) Aminoalkylthiocarboxylic acids and their use as photographic antifoggants
GB1342289A (en) Photographic processing
GB1184497A (en) Enamines and Enaminium Salts and Methods of Preparing them
GB1328274A (en) Spectrally super sensitized silver halide photographic emulsions
GB527296A (en) Improvements in the manufacture of dyes and of photographic emulsions
GB1362859A (en) Heterocyclic quaternary salts and their use in photographic silver halide emulsions
GB1128113A (en) Dyes, processes for preparing them and photographic elements containing them
SE7604476L (sv) Forfarande for framstellning av 1-(3,3,3-triarylpropyl)-4-fenyl-4-piperidinmetanolforeningar
GB1186720A (en) Photographic Emulsions
GB1284730A (en) Coloured colloid layers
GB1335965A (en) Spectrally sensitized silver halide emulsions
GB1335972A (en) Merocyanine dyes and their like use in photography
GB1534711A (en) Barbituric acid derivatives and their use as intermediates in the preparation of light-absorbing dyes
GB1274436A (en) Process for the sensitization of photographic silver chloride and silver chlorobromide emulsions that may contain colour couplers
GB1153344A (en) Dyes, processes for their preparation and Photographic Silver Halide Emulsions Sensitized therewith
GB1225179A (https=)
GB1293543A (en) Photographic light-sensitive material
GB1156172A (en) Monoazo Dyes Containing a Vinylsulphone Group
GB1298950A (en) Cyanine dyes
GB1326126A (en) Cyanine and merocyanine dyes
GB1197946A (en) Photodevelopable Photographic Silver Halide Emulsions
GB1322766A (en) Tricarbocyanine dyes
GB1241834A (en) Photographic emulsions and sensitizing dyes therefor
GB1285078A (en) Novel monoazamonomethine cyanines and silver halide emulsions which contain colour couplers and which are spectrally sensitised therewith

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PCNP Patent ceased through non-payment of renewal fee