GB1409657A - Developing agents for silver halide emulsions - Google Patents

Developing agents for silver halide emulsions

Info

Publication number
GB1409657A
GB1409657A GB5228871A GB5228871A GB1409657A GB 1409657 A GB1409657 A GB 1409657A GB 5228871 A GB5228871 A GB 5228871A GB 5228871 A GB5228871 A GB 5228871A GB 1409657 A GB1409657 A GB 1409657A
Authority
GB
United Kingdom
Prior art keywords
silver halide
halide emulsions
developing agents
benzotriazole
dihydroxyphenyl
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
GB5228871A
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
Priority to BE790629D priority Critical patent/BE790629A/en
Application filed by Agfa Gevaert NV, Agfa Gevaert AG filed Critical Agfa Gevaert NV
Priority to GB5228871A priority patent/GB1409657A/en
Priority to US00303406A priority patent/US3841877A/en
Priority to DE2255032A priority patent/DE2255032A1/en
Publication of GB1409657A publication Critical patent/GB1409657A/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
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
    • G03C5/29—Development processes or agents therefor
    • G03C5/305—Additives other than developers
    • 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
    • G03C1/34—Fog-inhibitors; Stabilisers; Agents inhibiting latent image regression
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/156—Precursor compound
    • Y10S430/158—Development inhibitor releaser, DIR

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)

Abstract

1409657 2 - (2,5 - Dihydroxyphenyl)- benzotriazole AGFA-GEVAERT 30 Oct 1972 [10 Nov 1971] 52288/71 Heading C2C [Also in Division G2] 2 - (2,5 - Dihydroxyphenyl)benzotriazole is prepared by reacting 2-(2-hydroxy-5-methoxyphenyl)benzotriazole with 48% hydrobromic acid in acetic acid.
GB5228871A 1971-11-10 1971-11-10 Developing agents for silver halide emulsions Expired GB1409657A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BE790629D BE790629A (en) 1971-11-10 DEVELOPERS THAT RELEASE DEVELOPMENT INHIBITORS
GB5228871A GB1409657A (en) 1971-11-10 1971-11-10 Developing agents for silver halide emulsions
US00303406A US3841877A (en) 1971-11-10 1972-11-03 Development of exposed photographic silver halide elements
DE2255032A DE2255032A1 (en) 1971-11-10 1972-11-10 DEVELOPER SUBSTANCES INHIBITING DEVELOPMENT

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5228871A GB1409657A (en) 1971-11-10 1971-11-10 Developing agents for silver halide emulsions

Publications (1)

Publication Number Publication Date
GB1409657A true GB1409657A (en) 1975-10-08

Family

ID=10463359

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5228871A Expired GB1409657A (en) 1971-11-10 1971-11-10 Developing agents for silver halide emulsions

Country Status (4)

Country Link
US (1) US3841877A (en)
BE (1) BE790629A (en)
DE (1) DE2255032A1 (en)
GB (1) GB1409657A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4202695A (en) * 1971-12-09 1980-05-13 Agfa-Gevaert N.V. Photographic Lippmann emulsions
US4258127A (en) * 1975-10-20 1981-03-24 Fuji Photo Film Co., Ltd. Reversal color development process
GB1569109A (en) * 1975-12-12 1980-06-11 Agfa Gevaert Lippmann-emulsions and reversal processing thereof
GB1569108A (en) * 1975-12-12 1980-06-11 Agfa Gevaert Reversal processing of exposed lippmann-emulsions
JPS53110528A (en) * 1977-03-08 1978-09-27 Konishiroku Photo Ind Co Ltd Color photographic material with fading resistance improved
EP0449340B1 (en) * 1990-02-26 1996-10-16 Agfa-Gevaert N.V. Photographic stabilizers containing a developer group
DE10203385A1 (en) * 2002-01-29 2003-08-07 Trw Automotive Electron & Comp Assembly of spindle and moving nut

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE630117A (en) * 1962-03-29
US3295978A (en) * 1962-10-29 1967-01-03 Eastman Kodak Co Light-sensitive photographic elements containing developing agent precursors
US3379529A (en) * 1963-02-28 1968-04-23 Eastman Kodak Co Photographic inhibitor-releasing developers
DE1935310C3 (en) * 1968-07-15 1974-02-07 Fuji Photo Film Co. Ltd., Ashigara, Kanagawa (Japan) Process for developing a color photographic recording material
US3493539A (en) * 1968-11-13 1970-02-03 Nat Starch Chem Corp Ethylenically unsaturated derivatives of 2-(2-hydroxyphenyl) benzotriazole and polymers therefrom
JPS4923895B1 (en) * 1970-09-29 1974-06-19

Also Published As

Publication number Publication date
BE790629A (en) 1973-04-27
US3841877A (en) 1974-10-15
DE2255032A1 (en) 1973-05-17

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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