CA1007919A - Photographic material and process for the production of direct-positive photographic images - Google Patents

Photographic material and process for the production of direct-positive photographic images

Info

Publication number
CA1007919A
CA1007919A CA171,847A CA171847A CA1007919A CA 1007919 A CA1007919 A CA 1007919A CA 171847 A CA171847 A CA 171847A CA 1007919 A CA1007919 A CA 1007919A
Authority
CA
Canada
Prior art keywords
direct
production
photographic
positive
images
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
CA171,847A
Other versions
CA171847S (en
Inventor
Sieghart Klotzer
Erik Moisar
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.)
Agfa Gevaert AG
Original Assignee
Agfa Gevaert AG
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 Agfa Gevaert AG filed Critical Agfa Gevaert AG
Application granted granted Critical
Publication of CA1007919A publication Critical patent/CA1007919A/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
    • G03C1/48515—Direct positive emulsions prefogged
CA171,847A 1972-05-20 1973-05-18 Photographic material and process for the production of direct-positive photographic images Expired CA1007919A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2224837A DE2224837C3 (en) 1972-05-20 1972-05-20 Direct positive photographic recording material

Publications (1)

Publication Number Publication Date
CA1007919A true CA1007919A (en) 1977-04-05

Family

ID=5845525

Family Applications (1)

Application Number Title Priority Date Filing Date
CA171,847A Expired CA1007919A (en) 1972-05-20 1973-05-18 Photographic material and process for the production of direct-positive photographic images

Country Status (9)

Country Link
US (1) US3870522A (en)
JP (1) JPS586935B2 (en)
BE (1) BE799396A (en)
CA (1) CA1007919A (en)
CH (1) CH582898A5 (en)
DE (1) DE2224837C3 (en)
FR (1) FR2185808A1 (en)
GB (1) GB1405803A (en)
IT (1) IT985094B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2263246A1 (en) * 1972-12-23 1974-07-04 Agfa Gevaert Ag PHOTOGRAPHIC MATERIAL FOR THE PRODUCTION OF DIRECT POSITIVE PHOTOGRAPHIC IMAGES
JPS56121030A (en) * 1980-02-27 1981-09-22 Mitsubishi Paper Mills Ltd Direct positive silver halide photographic sensitive material
US4370411A (en) * 1980-09-11 1983-01-25 E. I. Du Pont De Nemours And Company Method for producing a long scale direct-positive photographic emulsion
US4378427A (en) * 1980-09-11 1983-03-29 E. I. Du Pont De Nemours And Company Method for producing a long scale direct-positive photographic emulsion
JPS61264336A (en) * 1985-05-20 1986-11-22 Konishiroku Photo Ind Co Ltd Direct positive type silver halide photographic sensitive material
DE3717227A1 (en) * 1987-05-21 1988-12-01 Henkel Kgaa PHOSPHATE-FREE DETERGENT WITH REDUCED INCRUSTING TENDENCY
DE3812530A1 (en) * 1988-04-15 1989-10-26 Henkel Kgaa PROCESS FOR INCREASING THE DENSITY OF SPREADY DRY, PHOSPHATE-REDUCED DETERGENT
US6120984A (en) * 1998-06-17 2000-09-19 Eastman Kodak Company Solid electrolyte particles comprising MAg4 I5

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE476292A (en) * 1946-04-01
US2717833A (en) * 1952-05-12 1955-09-13 Sperry Rand Corp Direct positive emulsions
US3206313A (en) * 1961-05-15 1965-09-14 Eastman Kodak Co Chemically sensitized emulsions having low surface sensitivity and high internal sensitivity
BE636801A (en) * 1962-09-01
US3367778A (en) * 1965-04-15 1968-02-06 Eastman Kodak Co Silver salt direct positive emulsion
US3445235A (en) * 1965-07-15 1969-05-20 Du Pont Rhodium and iridium salts as anti-kinking agent in direct positive silver halide emulsions
US3317322A (en) * 1965-08-27 1967-05-02 Eastman Kodak Co Photographic emulsions having high internal sensitivity
US3510348A (en) * 1966-03-11 1970-05-05 Eastman Kodak Co Direct positive recording film
US3505070A (en) * 1966-03-11 1970-04-07 Eastman Kodak Co Direct positive emulsion containing dimethine dyes containing a 2-aromatically substituted indole nucleus
US3501305A (en) * 1966-03-11 1970-03-17 Eastman Kodak Co Monodispersed photographic reversal emulsions
GB1201792A (en) * 1967-04-22 1970-08-12 Kodak Ltd Direct-positive photographic silver halide materials
DE1597488A1 (en) * 1967-10-12 1970-06-11 Agfa Gevaert Ag Improved photographic emulsion for the production of direct positive images
US3615573A (en) * 1968-09-09 1971-10-26 Mary D Illingsworth Direct-positive composition containing individually and differently fogged silver halide emulsions
US3600180A (en) * 1968-11-04 1971-08-17 Eastman Kodak Co Method of making a blend of fogged,direct positive silver halide emulsions of different grain sizes
GB1323111A (en) * 1970-04-01 1973-07-11 Agfa Gevaert Photographic direct positive silver halide material

Also Published As

Publication number Publication date
JPS586935B2 (en) 1983-02-07
IT985094B (en) 1974-11-30
JPS4943627A (en) 1974-04-24
DE2224837A1 (en) 1973-11-29
DE2224837C3 (en) 1986-05-07
US3870522A (en) 1975-03-11
FR2185808A1 (en) 1974-01-04
BE799396A (en) 1973-11-12
CH582898A5 (en) 1976-12-15
DE2224837B2 (en) 1980-02-28
GB1405803A (en) 1975-09-10

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