GB1317036A - Supersensitising comination - Google Patents

Supersensitising comination

Info

Publication number
GB1317036A
GB1317036A GB5707870A GB1317036DA GB1317036A GB 1317036 A GB1317036 A GB 1317036A GB 5707870 A GB5707870 A GB 5707870A GB 1317036D A GB1317036D A GB 1317036DA GB 1317036 A GB1317036 A GB 1317036A
Authority
GB
United Kingdom
Prior art keywords
supersensitising
comination
alkyl
photographic
ilford
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
GB5707870A
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
Publication of GB1317036A publication Critical patent/GB1317036A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G03C1/28—Sensitivity-increasing substances together with supersensitising substances
    • G03C1/29—Sensitivity-increasing substances together with supersensitising substances the supersensitising mixture being solely composed of dyes ; Combination of dyes, even if the supersensitising effect is not explicitly disclosed

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (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)

Abstract

1317036 Photographic emulsions ILFORD Ltd 3 Nov 1971 [1 Dec 1970] 57078/70 Heading G2C A photographic silver halide emulsion is super-sensitized by a combination of dyes of formulae: (in which R 1 and R 10- 12 are each 1-4C alkyl; R 2-9 are each H, halogen or 1-4C alkyl or alkoxy; Z is alkylene; D completes a heterocyclic ring system).
GB5707870A 1970-12-01 1970-12-01 Supersensitising comination Expired GB1317036A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5707870 1970-12-01

Publications (1)

Publication Number Publication Date
GB1317036A true GB1317036A (en) 1973-05-16

Family

ID=10478309

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5707870A Expired GB1317036A (en) 1970-12-01 1970-12-01 Supersensitising comination

Country Status (5)

Country Link
US (1) US3772033A (en)
BE (1) BE776011A (en)
DE (1) DE2159319A1 (en)
FR (1) FR2114967A5 (en)
GB (1) GB1317036A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5478720A (en) * 1993-04-01 1995-12-26 Konica Corporation Silver halide photographic emulsion and silver halide photographic light-sensitive material

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE792386A (en) * 1971-12-22 1973-06-07 Agfa Gevaert Nv SUPER-SENSITIZED PHOTOGRAPHIC DIRECT-POSITIVE SILVER SALT EMULSIONS

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2313922A (en) * 1938-07-08 1943-03-16 Eastman Kodak Co Photographic emulsion
US2316268A (en) * 1938-11-24 1943-04-13 Gen Aniline & Film Corp Photographic emulsion
US2533426A (en) * 1948-10-13 1950-12-12 Eastman Kodak Co Photographic emulsions sensitized with supersensitizing combinations of acid carbocyanine dyes and styryl bases
BE756607R (en) * 1969-09-29 1971-03-01 Eastman Kodak Co

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5478720A (en) * 1993-04-01 1995-12-26 Konica Corporation Silver halide photographic emulsion and silver halide photographic light-sensitive material

Also Published As

Publication number Publication date
FR2114967A5 (en) 1972-06-30
DE2159319A1 (en) 1972-06-29
BE776011A (en) 1972-05-30
US3772033A (en) 1973-11-13

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee