FR1078936A - Photographic inversion process and products that can be used for its implementation - Google Patents

Photographic inversion process and products that can be used for its implementation

Info

Publication number
FR1078936A
FR1078936A FR1078936DA FR1078936A FR 1078936 A FR1078936 A FR 1078936A FR 1078936D A FR1078936D A FR 1078936DA FR 1078936 A FR1078936 A FR 1078936A
Authority
FR
France
Prior art keywords
photographic
implementation
products
inversion process
inversion
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
Other languages
French (fr)
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.)
Kodak Pathe SA
Original Assignee
Kodak Pathe 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 Pathe SA filed Critical Kodak Pathe SA
Application granted granted Critical
Publication of FR1078936A publication Critical patent/FR1078936A/en
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

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)
  • Photosensitive Polymer And Photoresist Processing (AREA)
FR1078936D 1951-06-27 1952-06-23 Photographic inversion process and products that can be used for its implementation Expired FR1078936A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US233774A US2675318A (en) 1951-06-27 1951-06-27 Hydroquinone monosulfonate in direct positive photographic developers

Publications (1)

Publication Number Publication Date
FR1078936A true FR1078936A (en) 1954-11-24

Family

ID=22878637

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1078936D Expired FR1078936A (en) 1951-06-27 1952-06-23 Photographic inversion process and products that can be used for its implementation

Country Status (4)

Country Link
US (1) US2675318A (en)
BE (1) BE512294A (en)
FR (1) FR1078936A (en)
GB (1) GB712374A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1047492A (en) * 1963-01-10
DE2406515C3 (en) * 1974-02-12 1978-06-15 Du Pont De Nemours (Deutschland) Gmbh, 4000 Duesseldorf Photographic material for use in direct positives
US5770344A (en) 1995-12-27 1998-06-23 Fuji Photo Film Co., Ltd. Silver halide photographic light-sensitive material
US5789139A (en) 1995-12-27 1998-08-04 Fuji Photo Film Co., Ltd. Hydrazide compound and silver halide photographic photosensitive material comprising the same

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2572903A (en) * 1944-06-22 1951-10-30 Gen Aniline & Film Corp Photographic developer containing thallium salts
US2458376A (en) * 1946-03-14 1949-01-04 Eastman Kodak Co Photographic developer antioxidants
NL72136C (en) * 1947-05-22
US2497875A (en) * 1947-10-17 1950-02-21 Eastman Kodak Co Direct positive photographs using aerial fogging developer
BE502879A (en) * 1950-04-29
BE510220A (en) * 1951-03-28

Also Published As

Publication number Publication date
US2675318A (en) 1954-04-13
BE512294A (en)
GB712374A (en) 1954-07-21

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