DE2314517A1 - Lichtempfindliche, direkt positiv aufzeichnende, fotografische silberhalogenidemulsion - Google Patents

Lichtempfindliche, direkt positiv aufzeichnende, fotografische silberhalogenidemulsion

Info

Publication number
DE2314517A1
DE2314517A1 DE19732314517 DE2314517A DE2314517A1 DE 2314517 A1 DE2314517 A1 DE 2314517A1 DE 19732314517 DE19732314517 DE 19732314517 DE 2314517 A DE2314517 A DE 2314517A DE 2314517 A1 DE2314517 A1 DE 2314517A1
Authority
DE
Germany
Prior art keywords
silver halide
reducing agent
emulsion according
photosensitive emulsion
emulsion
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
DE19732314517
Other languages
German (de)
English (en)
Inventor
Heman Dowd Hunt
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and 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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of DE2314517A1 publication Critical patent/DE2314517A1/de
Pending 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
    • 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

Landscapes

  • Chemical & Material Sciences (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)
DE19732314517 1972-03-30 1973-03-23 Lichtempfindliche, direkt positiv aufzeichnende, fotografische silberhalogenidemulsion Pending DE2314517A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00239734A US3816135A (en) 1972-03-30 1972-03-30 Direct positive silver halide emulsions through synergistic effects of fogging agents and organic reducing agents and/or their oxidized forms

Publications (1)

Publication Number Publication Date
DE2314517A1 true DE2314517A1 (de) 1973-10-04

Family

ID=22903488

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19732314517 Pending DE2314517A1 (de) 1972-03-30 1973-03-23 Lichtempfindliche, direkt positiv aufzeichnende, fotografische silberhalogenidemulsion

Country Status (5)

Country Link
US (1) US3816135A (enExample)
JP (1) JPS4910019A (enExample)
BE (1) BE797508A (enExample)
DE (1) DE2314517A1 (enExample)
FR (1) FR2178112B3 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2406515C3 (de) * 1974-02-12 1978-06-15 Du Pont De Nemours (Deutschland) Gmbh, 4000 Duesseldorf Photographisches Material für die Herstellung von Direktpositiven
JPS5385523A (en) * 1977-01-07 1978-07-28 Kubota Ltd Internally-sealed, flexible pipe coupling
US4341858A (en) * 1981-05-01 1982-07-27 Eastman Kodak Company Image-transfer reversal emulsions and elements with incorporated quinones
JPH02273735A (ja) * 1989-04-17 1990-11-08 Fuji Photo Film Co Ltd 直接ポジ写真感光材料

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE476292A (enExample) * 1946-04-01
US3560213A (en) * 1967-09-12 1971-02-02 Du Pont Direct-positive silver halide emulsions containing silver halide reducing agents in a low ph environment

Also Published As

Publication number Publication date
JPS4910019A (enExample) 1974-01-29
US3816135A (en) 1974-06-11
FR2178112B3 (enExample) 1976-03-26
FR2178112A1 (enExample) 1973-11-09
BE797508A (fr) 1973-10-01

Similar Documents

Publication Publication Date Title
DE1447632C3 (de) Photographisches Aufzeichnungsmaterial
DE1281845B (de) Photographische Silberhalogenidemulsion
DE2042359A1 (de) Lichtempfindliche, photographi sehe Halogensilberemulsion
DE2422772A1 (de) Lichtempfindliches photographisches silberhalogenidmaterial
DE884150C (de) Verfahren zur Erzeugung eines direktpositiven Bildes in einer Silberhalogenid-Emulsion
DE2034064B2 (de) Farbfotografisches Aufzeichenmaterial
DE1772424A1 (de) Fotografisches Matewrial
DE1572125B2 (de) Fotografisches Material für die Herstellung direktpositiver Bilder
DE1447636A1 (de) Photographischer Entwickler sowie ein den Entwickler enthaltendes photographisches Material
DE1622679B1 (de) Photographische Gelatine-Silberbromidjodidemulsion
DE2226877C2 (de) Verfahren zur Herstellung einer negativ arbeitenden photographischen Silberhalogenidemulsion
DE2141392A1 (de) Verfahren zur Herstellung von Silberhalogenidemulsionen von sogenannten Conversionstyp
DE2314517A1 (de) Lichtempfindliche, direkt positiv aufzeichnende, fotografische silberhalogenidemulsion
DE2402130C3 (de) Verfahren zur Herstellung einer photographischen Silberhalogenidemulsion mit innenempfindlichen Silberhalogenidkörnern
DE2850612A1 (de) Photomaterial und photographischer entwickler
DE2932650A1 (de) Verfahren zur herstellung von monodispersen photographischen silberhalogenidemulsionen mit verbesserter empfindlichkeit
DE2040876A1 (de) Lichtempfindliches,fotografisches silberhalogenidhaltiges Aufzeichnungsmaterial
DE69615967T2 (de) Photographisches Silberhalogenid-Hochkontrastmaterial
DE2711942C2 (enExample)
DE1547902A1 (de) Lichtempfindliche photographische Zubereitung
DE2015070A1 (de) Material für die photographische Herstellung positiver und negativer Bilder
DE2224367C2 (de) Spektral sensibilisiertes photographisches Aufzeichnungsmaterial
DE1797388A1 (de) Verfahren zur Herstellung photographischer Bilder
DE971450C (de) Stabilisiertes photographisches Material
DE1166000B (de) Photographisches Aufnahme- und Bilduebertragungsverfahren