GB1022872A - Tetraazaindene compounds and their use in photographic emulsions - Google Patents

Tetraazaindene compounds and their use in photographic emulsions

Info

Publication number
GB1022872A
GB1022872A GB3654/64A GB365464A GB1022872A GB 1022872 A GB1022872 A GB 1022872A GB 3654/64 A GB3654/64 A GB 3654/64A GB 365464 A GB365464 A GB 365464A GB 1022872 A GB1022872 A GB 1022872A
Authority
GB
United Kingdom
Prior art keywords
photographic emulsions
compounds
tetraazaindene compounds
tetraazaindene
triazole
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
GB3654/64A
Other languages
English (en)
Inventor
George Frank Duffin
John Stevens
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Priority to GB3654/64A priority Critical patent/GB1022872A/en
Priority to US423841A priority patent/US3418130A/en
Priority to DE1965M0063918 priority patent/DE1595918B2/de
Priority to FR3437A priority patent/FR1422721A/fr
Priority to NL656501015A priority patent/NL143931B/xx
Publication of GB1022872A publication Critical patent/GB1022872A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
    • C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
    • C07D487/04—Ortho-condensed systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B3/00—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F01B3/0032—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
    • F01B3/0044—Component parts, details, e.g. valves, sealings, lubrication
    • F01B3/007—Swash plate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B3/00—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F01B3/0082—Details
    • F01B3/0085—Pistons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H39/00—Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N1/00—Constructional modifications of parts of machines or apparatus for the purpose of lubrication
    • 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

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
GB3654/64A 1964-01-28 1964-01-28 Tetraazaindene compounds and their use in photographic emulsions Expired GB1022872A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB3654/64A GB1022872A (en) 1964-01-28 1964-01-28 Tetraazaindene compounds and their use in photographic emulsions
US423841A US3418130A (en) 1964-01-28 1965-01-06 Nonsensitizing triazolopyrimidine antifoggants for silver halide emulsions
DE1965M0063918 DE1595918B2 (de) 1964-01-28 1965-01-26 1,3,3a, 7-tetraazaindene, ein verfahren zu ihrer herstellung und ihrer verwendung
FR3437A FR1422721A (fr) 1964-01-28 1965-01-27 Tétra-azaindènes et leur procédé de fabrication
NL656501015A NL143931B (nl) 1964-01-28 1965-01-27 Werkwijze voor het bereiden van een 4-hydroxy-1,3,3a,7-tetra-azaindeenderivaat, werkwijze voor het stabiliseren van een zilverhalogenide bevattende fotografische emulsie, alsmede met deze emulsie vervaardigd fotografisch materiaal.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB3654/64A GB1022872A (en) 1964-01-28 1964-01-28 Tetraazaindene compounds and their use in photographic emulsions
GB1269064 1964-03-25

Publications (1)

Publication Number Publication Date
GB1022872A true GB1022872A (en) 1966-03-16

Family

ID=26238499

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3654/64A Expired GB1022872A (en) 1964-01-28 1964-01-28 Tetraazaindene compounds and their use in photographic emulsions

Country Status (4)

Country Link
US (1) US3418130A (de)
DE (1) DE1595918B2 (de)
GB (1) GB1022872A (de)
NL (1) NL143931B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0185243A2 (de) 1984-12-17 1986-06-25 Minnesota Mining And Manufacturing Company Photoempfindliches Silberhalogenidmaterial zur Erhaltung schwarzweisser Halbtonbilder und Verfahren zur hohen Kontrasthalbtonanzeichnung

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE788688A (nl) * 1971-09-17 1973-03-12 Agfa Gevaert Nv Ontwikkeling van fotografisch materiaal bij verhoogde temperatuur
US4302525A (en) * 1978-06-26 1981-11-24 Polaroid Corporation Novel photosensitive elements and method of stabilizing said elements
US4332888A (en) * 1978-11-20 1982-06-01 Polaroid Corporation Method for stabilizing and spectrally sensitizing photosensitive silver halide emulsion
GB8509381D0 (en) * 1985-04-12 1985-05-15 Ciba Geigy Ag Tetra-aza indene compounds
WO2003006025A1 (en) * 2001-07-09 2003-01-23 Mayo Foundation For Medical Education And Research Methods and materials for treating bone conditions

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2450397A (en) * 1946-10-22 1948-09-28 Gen Aniline & Film Corp 5-hydroxy-1, 3, 4-triazaindolizines as stabiliziers for photographic silver-halide emulsions
US2784091A (en) * 1953-07-01 1957-03-05 Eastman Kodak Co 4-hydroxy-6-alkyl-1, 3, 3alpha, 7-tetrazaindene stabilizers for photographic emulsions sensitized with polyalkylene esters, amides, and ethers
BE549178A (de) * 1955-07-05
BE566543A (de) * 1957-04-09

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0185243A2 (de) 1984-12-17 1986-06-25 Minnesota Mining And Manufacturing Company Photoempfindliches Silberhalogenidmaterial zur Erhaltung schwarzweisser Halbtonbilder und Verfahren zur hohen Kontrasthalbtonanzeichnung

Also Published As

Publication number Publication date
DE1595918A1 (de) 1972-05-10
US3418130A (en) 1968-12-24
NL143931B (nl) 1974-11-15
DE1595918B2 (de) 1976-08-12
NL6501015A (de) 1965-07-29

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