UST101103I4 - Absorbed hydrazide nucleating agents and photographic elements containing such agents - Google Patents

Absorbed hydrazide nucleating agents and photographic elements containing such agents Download PDF

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Publication number
UST101103I4
UST101103I4 US06/238,185 US23818581A UST101103I4 US T101103 I4 UST101103 I4 US T101103I4 US 23818581 A US23818581 A US 23818581A US T101103 I4 UST101103 I4 US T101103I4
Authority
US
United States
Prior art keywords
agents
elements containing
absorbed
nucleating agents
photographic elements
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.)
Pending
Application number
US06/238,185
Inventor
Jasbir Sidhu
Michael J. Simons
Miroslav V. Mijovic
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 claimed from US06/060,549 external-priority patent/US4278748A/en
Application filed filed Critical
Priority to US06/238,185 priority Critical patent/UST101103I4/en
Application granted granted Critical
Publication of UST101103I4 publication Critical patent/UST101103I4/en
Pending legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C243/00—Compounds containing chains of nitrogen atoms singly-bound to each other, e.g. hydrazines, triazanes
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D249/00—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms
    • C07D249/16—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms condensed with carbocyclic rings or ring systems
    • C07D249/18—Benzotriazoles
    • 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
    • G03C1/485—Direct positive emulsions
    • G03C1/48538—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure
    • G03C1/48546—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure characterised by the nucleating/fogging agent
    • G03C1/48561—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure characterised by the nucleating/fogging agent hydrazine compounds

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Plural Heterocyclic Compounds (AREA)

Abstract

Novel triazole-substituted phenylhydrazide nucleating agents are disclosed as well as silver halide photographic emulsions and elements containing silver halide grains capable of forming an internal latent image having the nucleating agents adsorbed to the surface of the silver halide grains.
US06/238,185 1979-07-25 1981-02-26 Absorbed hydrazide nucleating agents and photographic elements containing such agents Pending UST101103I4 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US06/238,185 UST101103I4 (en) 1979-07-25 1981-02-26 Absorbed hydrazide nucleating agents and photographic elements containing such agents

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/060,549 US4278748A (en) 1979-07-25 1979-07-25 Absorbed hydrazide nucleating agents and photographic elements containing such agents
US06/238,185 UST101103I4 (en) 1979-07-25 1981-02-26 Absorbed hydrazide nucleating agents and photographic elements containing such agents

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
US06/060,549 Division US4278748A (en) 1979-07-25 1979-07-25 Absorbed hydrazide nucleating agents and photographic elements containing such agents

Publications (1)

Publication Number Publication Date
UST101103I4 true UST101103I4 (en) 1981-10-06

Family

ID=26740042

Family Applications (1)

Application Number Title Priority Date Filing Date
US06/238,185 Pending UST101103I4 (en) 1979-07-25 1981-02-26 Absorbed hydrazide nucleating agents and photographic elements containing such agents

Country Status (1)

Country Link
US (1) UST101103I4 (en)

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