GB1372204A - Method of making a positive image and photographic materials therefor - Google Patents

Method of making a positive image and photographic materials therefor

Info

Publication number
GB1372204A
GB1372204A GB5474471A GB5474471A GB1372204A GB 1372204 A GB1372204 A GB 1372204A GB 5474471 A GB5474471 A GB 5474471A GB 5474471 A GB5474471 A GB 5474471A GB 1372204 A GB1372204 A GB 1372204A
Authority
GB
United Kingdom
Prior art keywords
layer
image
silver
negative
iodide ions
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
GB5474471A
Other languages
English (en)
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 GB1372204A publication Critical patent/GB1372204A/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
    • G03C8/00—Diffusion transfer processes or agents therefor; Photosensitive materials for such processes
    • G03C8/02—Photosensitive materials characterised by the image-forming section
    • G03C8/04—Photosensitive materials characterised by the image-forming section the substances transferred by diffusion consisting of inorganic or organo-metallic compounds derived from photosensitive noble metals
    • 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
    • G03C1/46—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein having more than one photosensitive layer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Nitrogen- Or Sulfur-Containing Heterocyclic Ring Compounds With Rings Of Six Or More Members (AREA)
GB5474471A 1970-11-25 1971-11-25 Method of making a positive image and photographic materials therefor Expired GB1372204A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9290770A 1970-11-25 1970-11-25

Publications (1)

Publication Number Publication Date
GB1372204A true GB1372204A (en) 1974-10-30

Family

ID=22235750

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5474471A Expired GB1372204A (en) 1970-11-25 1971-11-25 Method of making a positive image and photographic materials therefor

Country Status (7)

Country Link
US (1) US3695881A (xx)
AU (1) AU461131B2 (xx)
BE (1) BE775774A (xx)
CA (1) CA988354A (xx)
FR (1) FR2115933A5 (xx)
GB (1) GB1372204A (xx)
IT (1) IT941236B (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0014494B1 (en) * 1979-02-02 1982-05-12 Agfa-Gevaert N.V. Photographic imaging process and materials suitable therefor
US4335199A (en) * 1980-02-19 1982-06-15 E. I. Du Pont De Nemours And Company High contrast by imagewise iodide infection in a mixed silver halide system
JPS59121039A (ja) * 1982-12-27 1984-07-12 Fuji Photo Film Co Ltd ハロゲン化銀写真感光材料
US4459351A (en) * 1983-06-22 1984-07-10 Eastman Kodak Company Photographic element and process employed combination of surface and internal latent image silver halide
DE3332688A1 (de) * 1983-09-10 1985-03-28 Agfa-Gevaert Ag, 5090 Leverkusen Farbfotografisches aufzeichnungsmaterial
US4661438A (en) 1985-04-04 1987-04-28 Eastman Kodak Company Quaternized tellurium salt fog inhibiting agents for silver halide photography

Also Published As

Publication number Publication date
IT941236B (it) 1973-03-01
AU3611271A (en) 1973-05-31
FR2115933A5 (xx) 1972-07-07
AU461131B2 (en) 1975-05-01
CA988354A (en) 1976-05-04
US3695881A (en) 1972-10-03
BE775774A (fr) 1972-03-16

Similar Documents

Publication Publication Date Title
GB654631A (en) Improvements in and relating to the manufacture of photographic reversal images
GB1342522A (en) Photosensitive heat-processable photographic materials
US2596754A (en) Photomechanical copy method
US3985561A (en) Diffusion transfer process using silver halide emulsions with 90% chloride and high binder to silver halide ratios
GB1372204A (en) Method of making a positive image and photographic materials therefor
US4436805A (en) Silver complex diffusion transfer process using two toning agents
US3149970A (en) Production of photographic silver images by physical development
GB1227621A (xx)
US2288586A (en) Yellow fog inhibitor
US2835575A (en) Photographic reproduction process
GB2051390A (en) A method for forming a negative image
US3740221A (en) Development of photographic material
GB1234632A (xx)
GB1256971A (xx)
US4686174A (en) Method and material for the production of continuous tone silver images by the silver complex diffusion transfer reversal process
GB1042009A (en) Photographic diffusion transfer processes and materials
US3575703A (en) Photographic diffusion transfer product and process
GB1141597A (en) Photomechanical printing processes and materials therefor
GB1052446A (xx)
US2987396A (en) Photographic silver halide diffusion transfer process
US3637389A (en) Method of producing photographic images by rapid processing
US3645731A (en) Silver salt diffusion alkaline bath of trisodium phosphate and a polyalcohol
US3637387A (en) Direct positive emulsion containing a halide releasing compound developed in the presence of an unsubstituted hydrazine
US3278307A (en) Photographic process for producing prints stabilized against print-out
GB1294355A (en) Photographic process

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee