FR1495883A - Method for increasing the sensitivity of photographic emulsions to silver gelatin halide - Google Patents

Method for increasing the sensitivity of photographic emulsions to silver gelatin halide

Info

Publication number
FR1495883A
FR1495883A FR78826A FR78826A FR1495883A FR 1495883 A FR1495883 A FR 1495883A FR 78826 A FR78826 A FR 78826A FR 78826 A FR78826 A FR 78826A FR 1495883 A FR1495883 A FR 1495883A
Authority
FR
France
Prior art keywords
sensitivity
increasing
photographic emulsions
silver gelatin
halide
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
FR78826A
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.)
Filmfabrik Wolfen VEB
Original Assignee
Filmfabrik Wolfen VEB
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 to DE19661572259 priority Critical patent/DE1572259A1/en
Priority to DE19661572260 priority patent/DE1572260A1/en
Priority to BE687620D priority patent/BE687620A/fr
Application filed by Filmfabrik Wolfen VEB filed Critical Filmfabrik Wolfen VEB
Priority to FR78826A priority patent/FR1495883A/en
Priority to BE689041D priority patent/BE689041A/xx
Priority to CH465267A priority patent/CH494978A/en
Application granted granted Critical
Publication of FR1495883A publication Critical patent/FR1495883A/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
    • G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
    • G03C1/34—Fog-inhibitors; Stabilisers; Agents inhibiting latent image regression
    • G03C1/346—Organic derivatives of bivalent sulfur, selenium or tellurium
    • 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
    • G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
    • G03C1/08—Sensitivity-increasing substances
    • G03C1/09—Noble metals or mercury; Salts or compounds thereof; Sulfur, selenium or tellurium, or compounds thereof, e.g. for chemical sensitising

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Laminated Bodies (AREA)
FR78826A 1966-01-21 1966-10-05 Method for increasing the sensitivity of photographic emulsions to silver gelatin halide Expired FR1495883A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE19661572259 DE1572259A1 (en) 1966-05-24 1966-06-23 Photographic material containing silver halide and process for its preparation
DE19661572260 DE1572260A1 (en) 1966-05-24 1966-06-24 Process for increasing the sensitivity of photographic silver-gelatin emulsions
BE687620D BE687620A (en) 1966-01-21 1966-09-30
FR78826A FR1495883A (en) 1966-05-24 1966-10-05 Method for increasing the sensitivity of photographic emulsions to silver gelatin halide
BE689041D BE689041A (en) 1966-05-24 1966-10-28
CH465267A CH494978A (en) 1966-05-24 1967-04-03 Photographic material containing silver halide and process for its preparation

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DD11773166 1966-05-24
DEV0031333 1966-06-23
DEV0031343 1966-06-24
FR78826A FR1495883A (en) 1966-05-24 1966-10-05 Method for increasing the sensitivity of photographic emulsions to silver gelatin halide

Publications (1)

Publication Number Publication Date
FR1495883A true FR1495883A (en) 1967-09-22

Family

ID=27509716

Family Applications (1)

Application Number Title Priority Date Filing Date
FR78826A Expired FR1495883A (en) 1966-01-21 1966-10-05 Method for increasing the sensitivity of photographic emulsions to silver gelatin halide

Country Status (4)

Country Link
BE (1) BE689041A (en)
CH (1) CH494978A (en)
DE (2) DE1572259A1 (en)
FR (1) FR1495883A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9512899D0 (en) * 1995-06-23 1995-08-23 Minnesota Mining & Mfg Alteration of image tone in black and white photographic materials

Also Published As

Publication number Publication date
DE1572259A1 (en) 1970-01-08
CH494978A (en) 1970-08-15
DE1572260A1 (en) 1970-02-26
BE689041A (en) 1967-03-31

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