FR2141939A1 - - Google Patents

Info

Publication number
FR2141939A1
FR2141939A1 FR7221536A FR7221536A FR2141939A1 FR 2141939 A1 FR2141939 A1 FR 2141939A1 FR 7221536 A FR7221536 A FR 7221536A FR 7221536 A FR7221536 A FR 7221536A FR 2141939 A1 FR2141939 A1 FR 2141939A1
Authority
FR
France
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.)
Granted
Application number
FR7221536A
Other languages
French (fr)
Other versions
FR2141939B1 (enrdf_load_html_response
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak 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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of FR2141939A1 publication Critical patent/FR2141939A1/fr
Application granted granted Critical
Publication of FR2141939B1 publication Critical patent/FR2141939B1/fr
Expired 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
    • 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
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
    • G03C5/50—Reversal development; Contact processes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
FR7221536A 1971-06-17 1972-06-15 Expired FR2141939B1 (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15422471A 1971-06-17 1971-06-17

Publications (2)

Publication Number Publication Date
FR2141939A1 true FR2141939A1 (enrdf_load_html_response) 1973-01-26
FR2141939B1 FR2141939B1 (enrdf_load_html_response) 1978-03-03

Family

ID=22550511

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7221536A Expired FR2141939B1 (enrdf_load_html_response) 1971-06-17 1972-06-15

Country Status (5)

Country Link
US (1) US3730723A (enrdf_load_html_response)
BE (1) BE784945A (enrdf_load_html_response)
DE (1) DE2229454A1 (enrdf_load_html_response)
FR (1) FR2141939B1 (enrdf_load_html_response)
GB (1) GB1393400A (enrdf_load_html_response)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE795121A (nl) * 1972-02-18 1973-08-08 Agfa Gevaert Nv Fotogrfische direct-positieve emulsies
US4081281A (en) * 1972-02-18 1978-03-28 Agfa-Gevaert N.V. Developing low fogged, direct-positive silver halide emulsion with an energetic developer free from halide ions
DE2416814A1 (de) * 1974-04-06 1975-10-16 Agfa Gevaert Ag Direktpositives photographisches material
GB8332435D0 (en) * 1983-12-06 1984-01-11 Glaxo Group Ltd Chemical compounds
JP2520602B2 (ja) * 1986-06-10 1996-07-31 富士写真フイルム株式会社 ハロゲン化銀写真感光材料

Also Published As

Publication number Publication date
DE2229454A1 (de) 1973-01-04
BE784945A (fr) 1972-10-02
US3730723A (en) 1973-05-01
GB1393400A (en) 1975-05-07
FR2141939B1 (enrdf_load_html_response) 1978-03-03

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Legal Events

Date Code Title Description
ST Notification of lapse