CH470689A - Direct positive photographic emulsion - Google Patents

Direct positive photographic emulsion

Info

Publication number
CH470689A
CH470689A CH351767A CH351767A CH470689A CH 470689 A CH470689 A CH 470689A CH 351767 A CH351767 A CH 351767A CH 351767 A CH351767 A CH 351767A CH 470689 A CH470689 A CH 470689A
Authority
CH
Switzerland
Prior art keywords
photographic emulsion
direct positive
positive photographic
direct
emulsion
Prior art date
Application number
CH351767A
Other languages
French (fr)
Inventor
Walker Wise Albert
Original Assignee
Kodak Sa
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 Kodak Sa filed Critical Kodak Sa
Publication of CH470689A publication Critical patent/CH470689A/en

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
    • G03C1/485—Direct positive emulsions
    • G03C1/48515—Direct positive emulsions prefogged
    • G03C1/48523—Direct positive emulsions prefogged characterised by the desensitiser
    • G03C1/4853—Direct positive emulsions prefogged characterised by the desensitiser polymethine dyes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/02—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups
    • C09B23/04—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups one >CH- group, e.g. cyanines, isocyanines, pseudocyanines
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/02—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups
    • C09B23/06—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups three >CH- groups, e.g. carbocyanines
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/10—The polymethine chain containing an even number of >CH- groups
    • C09B23/102—The polymethine chain containing an even number of >CH- groups two heterocyclic rings linked carbon-to-carbon
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/10—The polymethine chain containing an even number of >CH- groups
    • C09B23/107—The polymethine chain containing an even number of >CH- groups four >CH- groups
    • 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
    • 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
    • G03C1/035—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein characterised by the crystal form or composition, e.g. mixed grain
    • G03C2001/03517—Chloride content
    • 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
    • G03C1/035—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein characterised by the crystal form or composition, e.g. mixed grain
    • G03C2001/03541—Cubic grains
    • 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
    • Y10S430/143—Electron beam

Landscapes

  • 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)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
CH351767A 1966-03-11 1967-03-10 Direct positive photographic emulsion CH470689A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US53345866A 1966-03-11 1966-03-11
US55858566A 1966-06-20 1966-06-20
US60973467A 1967-01-17 1967-01-17
US61536067A 1967-02-13 1967-02-13
US61835467A 1967-02-24 1967-02-24

Publications (1)

Publication Number Publication Date
CH470689A true CH470689A (en) 1969-03-31

Family

ID=27541853

Family Applications (1)

Application Number Title Priority Date Filing Date
CH351767A CH470689A (en) 1966-03-11 1967-03-10 Direct positive photographic emulsion

Country Status (7)

Country Link
US (4) US3510348A (en)
JP (1) JPS4831843B1 (en)
BE (3) BE695361A (en)
CH (1) CH470689A (en)
DE (3) DE1547788A1 (en)
GB (4) GB1186715A (en)
SE (1) SE345528B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0259865A2 (en) * 1986-09-11 1988-03-16 Konica Corporation High whiteness silver halide photographic paper for direct positives

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3637387A (en) * 1967-10-24 1972-01-25 Agfa Gevaert Nv Direct positive emulsion containing a halide releasing compound developed in the presence of an unsubstituted hydrazine
GB1239350A (en) * 1969-04-14 1971-07-14
BE757384A (en) * 1969-10-13 1971-04-13 Du Pont DIRECT POSITIVE PHOTOGRAPHIC EMULSIONS
US3887380A (en) * 1970-06-02 1975-06-03 Fuji Photo Film Co Ltd Direct positive silver halide photographic emulsion
US3689768A (en) * 1970-06-18 1972-09-05 Masamichi Sato Electron beam recording materials
US3854956A (en) * 1970-10-30 1974-12-17 Eastman Kodak Co Dyestuffs and spectral sensitizers for silver halide
US3969116A (en) * 1971-01-19 1976-07-13 Fuji Photo Film Co., Ltd. Silver halide photographic sensitive element for flash exposure
JPS5140980B1 (en) * 1971-04-20 1976-11-06
JPS516536B2 (en) * 1971-08-14 1976-02-28
DE2224837C3 (en) * 1972-05-20 1986-05-07 Agfa-Gevaert Ag, 5090 Leverkusen Direct positive photographic recording material
US3979213A (en) * 1972-06-19 1976-09-07 Gilman Jr Paul B Spectrally sensitized silver halide emulsion containing an internal metal dopant
US4045228A (en) * 1972-12-08 1977-08-30 Agfa-Gevaert N.V. Direct positive emulsions containing fogged, monodispersed silver halide grains having more than 10 mile % iodide
DE2260117A1 (en) * 1972-12-08 1974-06-12 Agfa Gevaert Ag PHOTOGRAPHIC MATERIAL FOR THE PRODUCTION OF DIRECT POSITIVE IMAGES
DE2263246A1 (en) * 1972-12-23 1974-07-04 Agfa Gevaert Ag PHOTOGRAPHIC MATERIAL FOR THE PRODUCTION OF DIRECT POSITIVE PHOTOGRAPHIC IMAGES
GB1468816A (en) * 1973-06-08 1977-03-30 Agfa Gevaert Photographic direct positive silver halide compositions
GB1447502A (en) * 1973-06-18 1976-08-25 Agfa Gevaert Method of preparing direct-positive silver halide elements
GB1569109A (en) * 1975-12-12 1980-06-11 Agfa Gevaert Lippmann-emulsions and reversal processing thereof
JPS54135038U (en) * 1978-03-10 1979-09-19
DE2967425D1 (en) * 1978-06-02 1985-05-15 Du Pont Organic halogen compounds used in direct positive emulsions
JPS5616557A (en) * 1979-07-17 1981-02-17 Ciba Geigy Ag Novel trinuclear methyne dye and direct positive type photograph material using same as sensitizer
US4311786A (en) * 1979-07-17 1982-01-19 Ciba-Geigy Ag Novel sensitizers and their use in direct-positive photographic materials
US5015561A (en) * 1988-03-04 1991-05-14 Fuji Photo Film Co., Ltd. Method for forming a direct positive image
US5049483A (en) * 1989-06-08 1991-09-17 Konica Corporation Direct positive silver halide photographic light-sensitive material and a processing method therefor
US5013641A (en) * 1989-12-19 1991-05-07 Eastman Kodak Company Formation of tabular silver halide emulsions utilizing high pH digestion
JPH0573411U (en) * 1992-03-04 1993-10-08 勝彦 小玉 Heating system
US5635343A (en) * 1994-09-29 1997-06-03 Eastman Kodak Company Ultraviolet absorbing compounds and photographic elements containing them
US5798374A (en) * 1995-06-07 1998-08-25 Sugen Inc. Methods of inhibiting phosphatase activity and treatment of disorders associated therewith
US6080772A (en) * 1995-06-07 2000-06-27 Sugen, Inc. Thiazole compounds and methods of modulating signal transduction
EP0794456B1 (en) 1996-03-07 2003-01-29 Agfa-Gevaert Method of reproducing an electronically stored medical image on a light-sensitive photographic material

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB353889A (en) * 1930-01-21 1931-07-21 Ici Ltd Manufacture of dyestuffs from heterocyclic compounds
US2493748A (en) * 1945-07-16 1950-01-10 Eastman Kodak Co Merocyanine dyes
GB635841A (en) * 1947-05-13 1950-04-19 Kodak Ltd Improvements in photographic silver halide emulsions
NL72136C (en) * 1947-05-22
GB723019A (en) * 1952-02-05 1955-02-02 Gevaert Photo Prod Nv Improvements in or relating to the manufacture of photographic material
BE555921A (en) * 1956-03-19
US2996382A (en) * 1959-01-12 1961-08-15 Eastman Kodak Co Photographic elements having improved sensitivity
US3237008A (en) * 1961-01-19 1966-02-22 Eastman Kodak Co Roomlight handling radiographic element including an x-ray sensitive layer overcoated with a dye desensitized silver halide emulsion
US3206313A (en) * 1961-05-15 1965-09-14 Eastman Kodak Co Chemically sensitized emulsions having low surface sensitivity and high internal sensitivity
BE630911A (en) * 1962-04-11
BE636801A (en) * 1962-09-01
US3184313A (en) * 1962-11-19 1965-05-18 Eastman Kodak Co Silver halide emulsion desensitized with a tetraalkyl thiuram disulfide
GB1054284A (en) * 1963-02-14
US3353185A (en) * 1964-04-02 1967-11-14 Gen Aniline & Film Corp Method of recording charged particles
US3303341A (en) * 1964-05-25 1967-02-07 Minnesota Mining & Mfg Method and construction for recording and retrieving information with an electron beam
US3367778A (en) * 1965-04-15 1968-02-06 Eastman Kodak Co Silver salt direct positive emulsion

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0259865A2 (en) * 1986-09-11 1988-03-16 Konica Corporation High whiteness silver halide photographic paper for direct positives
EP0259865A3 (en) * 1986-09-11 1990-05-02 Konishiroku Photo Industry Co. Ltd. High whiteness silver halide photographic paper for direct positives

Also Published As

Publication number Publication date
DE1547788A1 (en) 1969-11-20
US3510348A (en) 1970-05-05
BE695361A (en) 1967-09-11
DE1547780B2 (en) 1980-09-11
DE1547791C3 (en) 1978-11-23
BE695369A (en) 1967-09-11
BE695354A (en) 1967-09-11
GB1187411A (en) 1970-04-08
JPS4831843B1 (en) 1973-10-02
GB1186718A (en) 1970-04-02
DE1547780A1 (en) 1969-11-20
SE345528B (en) 1972-05-29
DE1547791A1 (en) 1969-12-04
US3501309A (en) 1970-03-17
US3531290A (en) 1970-09-29
GB1186715A (en) 1970-04-02
DE1547785A1 (en) 1969-11-20
US3537858A (en) 1970-11-03
DE1547791B2 (en) 1978-03-23
GB1186719A (en) 1970-04-02

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Legal Events

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