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 imagesInfo
- 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
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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2224837A DE2224837C3 (de) | 1972-05-20 | 1972-05-20 | Direktpositives photographisches Aufzeichnungsmaterial |
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 (fr) |
JP (1) | JPS586935B2 (fr) |
BE (1) | BE799396A (fr) |
CA (1) | CA1007919A (fr) |
CH (1) | CH582898A5 (fr) |
DE (1) | DE2224837C3 (fr) |
FR (1) | FR2185808A1 (fr) |
GB (1) | GB1405803A (fr) |
IT (1) | IT985094B (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2263246A1 (de) * | 1972-12-23 | 1974-07-04 | Agfa Gevaert Ag | Photographisches material zur herstellung direktpositiver photographischer bilder |
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 (ja) * | 1985-05-20 | 1986-11-22 | Konishiroku Photo Ind Co Ltd | 直接ポジハロゲン化銀写真感光材料 |
DE3717227A1 (de) * | 1987-05-21 | 1988-12-01 | Henkel Kgaa | Phosphatfreies waschmittel mit reduzierter inkrustierungstendenz |
DE3812530A1 (de) * | 1988-04-15 | 1989-10-26 | Henkel Kgaa | Verfahren zur erhoehung der dichte spruehgetrockneter, phosphatreduzierter waschmittel |
US6120984A (en) * | 1998-06-17 | 2000-09-19 | Eastman Kodak Company | Solid electrolyte particles comprising MAg4 I5 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE476292A (fr) * | 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 (fr) * | 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 |
US3501305A (en) * | 1966-03-11 | 1970-03-17 | Eastman Kodak Co | Monodispersed photographic reversal emulsions |
US3505070A (en) * | 1966-03-11 | 1970-04-07 | Eastman Kodak Co | Direct positive emulsion containing dimethine dyes containing a 2-aromatically substituted indole nucleus |
US3510348A (en) * | 1966-03-11 | 1970-05-05 | Eastman Kodak Co | Direct positive recording film |
GB1201792A (en) * | 1967-04-22 | 1970-08-12 | Kodak Ltd | Direct-positive photographic silver halide materials |
DE1597488A1 (de) * | 1967-10-12 | 1970-06-11 | Agfa Gevaert Ag | Verbesserte photographische Emulsion fuer die Herstellung direktpositiver Bilder |
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 |
-
1972
- 1972-05-20 DE DE2224837A patent/DE2224837C3/de not_active Expired
-
1973
- 1973-05-11 BE BE1005035A patent/BE799396A/xx unknown
- 1973-05-16 US US360845A patent/US3870522A/en not_active Expired - Lifetime
- 1973-05-18 GB GB2377673A patent/GB1405803A/en not_active Expired
- 1973-05-18 CH CH714973A patent/CH582898A5/xx not_active IP Right Cessation
- 1973-05-18 FR FR7318148A patent/FR2185808A1/fr not_active Withdrawn
- 1973-05-18 IT IT50076/73A patent/IT985094B/it active
- 1973-05-18 CA CA171,847A patent/CA1007919A/en not_active Expired
- 1973-05-19 JP JP48055206A patent/JPS586935B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS4943627A (fr) | 1974-04-24 |
JPS586935B2 (ja) | 1983-02-07 |
US3870522A (en) | 1975-03-11 |
FR2185808A1 (fr) | 1974-01-04 |
DE2224837C3 (de) | 1986-05-07 |
IT985094B (it) | 1974-11-30 |
DE2224837A1 (de) | 1973-11-29 |
DE2224837B2 (fr) | 1980-02-28 |
CH582898A5 (fr) | 1976-12-15 |
BE799396A (nl) | 1973-11-12 |
GB1405803A (en) | 1975-09-10 |
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