GB1058488A - Improved photographic paper - Google Patents

Improved photographic paper

Info

Publication number
GB1058488A
GB1058488A GB16040/64A GB1604064A GB1058488A GB 1058488 A GB1058488 A GB 1058488A GB 16040/64 A GB16040/64 A GB 16040/64A GB 1604064 A GB1604064 A GB 1604064A GB 1058488 A GB1058488 A GB 1058488A
Authority
GB
United Kingdom
Prior art keywords
photographic paper
improved photographic
prepared
improved
refluxing
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
GB16040/64A
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
Original Assignee
Agfa 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 AG filed Critical Agfa AG
Publication of GB1058488A publication Critical patent/GB1058488A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D271/00—Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms
    • C07D271/02—Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms not condensed with other rings
    • C07D271/10—1,3,4-Oxadiazoles; Hydrogenated 1,3,4-oxadiazoles
    • C07D271/113—1,3,4-Oxadiazoles; Hydrogenated 1,3,4-oxadiazoles with oxygen, sulfur or nitrogen atoms, directly attached to ring carbon atoms, the nitrogen atoms not forming part of a nitro radical
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D285/00—Heterocyclic compounds containing rings having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by groups C07D275/00 - C07D283/00
    • C07D285/01—Five-membered rings
    • C07D285/02—Thiadiazoles; Hydrogenated thiadiazoles
    • C07D285/04—Thiadiazoles; Hydrogenated thiadiazoles not condensed with other rings
    • C07D285/12—1,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles
    • C07D285/125—1,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles with oxygen, sulfur or nitrogen atoms, directly attached to ring carbon atoms, the nitrogen atoms not forming part of a nitro radical
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D285/00—Heterocyclic compounds containing rings having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by groups C07D275/00 - C07D283/00
    • C07D285/01—Five-membered rings
    • C07D285/02—Thiadiazoles; Hydrogenated thiadiazoles
    • C07D285/04—Thiadiazoles; Hydrogenated thiadiazoles not condensed with other rings
    • C07D285/12—1,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles
    • C07D285/125—1,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles with oxygen, sulfur or nitrogen atoms, directly attached to ring carbon atoms, the nitrogen atoms not forming part of a nitro radical
    • C07D285/135—Nitrogen atoms
    • 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
    • G03C1/346—Organic derivatives of bivalent sulfur, selenium or tellurium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (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)
  • Paper (AREA)

Abstract

The compound having the formula <FORM:1058488/C2/1> where p=6, is prepared by refluxing suberic acid dihydrazide with carbon disulphide in pyridine. Compounds wherein p is 4 or 8 are similarly prepared.
GB16040/64A 1963-04-27 1964-04-17 Improved photographic paper Expired GB1058488A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA0042979 1963-04-27

Publications (1)

Publication Number Publication Date
GB1058488A true GB1058488A (en) 1967-02-08

Family

ID=6933405

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16040/64A Expired GB1058488A (en) 1963-04-27 1964-04-17 Improved photographic paper

Country Status (5)

Country Link
US (1) US3362826A (en)
BE (1) BE647145A (en)
CH (1) CH449421A (en)
DE (1) DE1447569A1 (en)
GB (1) GB1058488A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1919045C3 (en) * 1969-04-15 1979-11-15 Agfa-Gevaert Ag, 5090 Leverkusen Process for producing stable photographic images
JPS4835493B1 (en) * 1970-02-26 1973-10-29
DE3403825A1 (en) * 1983-02-04 1984-08-16 Mitsubishi Paper Mills, Ltd., Tokyo Photographic light-sensitive silver halide materials
DE4200322A1 (en) * 1992-01-09 1993-07-15 Agfa Gevaert Ag PHOTOGRAPHIC RECORDING MATERIAL
WO2001029156A2 (en) * 1999-10-20 2001-04-26 R.T. Vanderbilt Company, Inc. Thiadizole dimer additives and lubricating compositions containing the same
US6620771B2 (en) * 1999-10-20 2003-09-16 R. T. Vanderbilt Company, Inc. Thiadiazole dimer additives and lubricating compositions containing the same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2453346A (en) * 1945-10-25 1948-11-09 Eastman Kodak Co Stabilization of processed photographic emulsions to high temperatures and humidities
FR964821A (en) * 1946-04-05 1950-08-25
BE557661A (en) * 1956-05-23
US3051570A (en) * 1958-10-01 1962-08-28 Gen Aniline & Film Corp Antifoggants and stabilizers for photographic silver halide emulsions
BE606550A (en) * 1960-07-27

Also Published As

Publication number Publication date
CH449421A (en) 1967-12-31
US3362826A (en) 1968-01-09
BE647145A (en) 1964-10-27
DE1447569A1 (en) 1969-02-13

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