CH263994A - Process for producing contrasting photographic materials. - Google Patents
Process for producing contrasting photographic materials.Info
- Publication number
- CH263994A CH263994A CH263994DA CH263994A CH 263994 A CH263994 A CH 263994A CH 263994D A CH263994D A CH 263994DA CH 263994 A CH263994 A CH 263994A
- Authority
- CH
- Switzerland
- Prior art keywords
- photographic materials
- contrasting
- producing
- producing contrasting
- photographic
- Prior art date
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
- G03C1/52—Compositions containing diazo compounds as photosensitive substances
- G03C1/62—Metal compounds reducible to metal
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL123018 | 1946-01-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH263994A true CH263994A (en) | 1949-09-30 |
Family
ID=19750393
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH263994D CH263994A (en) | 1946-01-18 | 1947-01-16 | Process for producing contrasting photographic materials. |
Country Status (7)
Country | Link |
---|---|
US (1) | US2571671A (en) |
BE (1) | BE470580A (en) |
CH (1) | CH263994A (en) |
DE (1) | DE854886C (en) |
FR (1) | FR941053A (en) |
GB (1) | GB678911A (en) |
NL (1) | NL66149C (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE506160A (en) * | 1950-10-03 | |||
US2733144A (en) * | 1951-03-28 | 1956-01-31 | Method of producing photographic |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US466534A (en) * | 1892-01-05 | Island | ||
US1396770A (en) * | 1919-06-14 | 1921-11-15 | Eastman Kodak Co | Method and apparatus for making photographic records |
BE343949A (en) * | 1926-07-09 | |||
US1904449A (en) * | 1927-05-20 | 1933-04-18 | Gen Electric | Sound record film and film printing apparatus |
US1861918A (en) * | 1928-01-30 | 1932-06-07 | Eastman Kodak Co | Process of conditioning photographic films |
US1880496A (en) * | 1929-06-14 | 1932-10-04 | Eastman Kodak Co | Photographic film for sound and picture purposes |
NL46296C (en) * | 1930-02-05 | |||
FR735718A (en) * | 1931-07-21 | 1932-11-14 | Process for preparing and fixing photographic layers obtained with dazosulphonates | |
FR741172A (en) * | 1931-11-09 | 1933-02-08 | ||
US2062304A (en) * | 1931-11-19 | 1936-12-01 | Gaspar Bela | Process for the production of a colored sound film |
US1997507A (en) * | 1932-03-09 | 1935-04-09 | Vladimir C Akintievsky | Process of photo-printing |
BE407017A (en) * | 1933-12-27 | |||
GB503092A (en) * | 1937-05-27 | 1939-03-26 | Eastman Kodak Co | Improved process of treating sensitive photographic film |
BE429591A (en) * | 1937-08-09 | |||
US2252006A (en) * | 1938-01-08 | 1941-08-12 | Hartford Nat Bank & Trust Co | Sound-picture film and method of printing the same |
FR853868A (en) * | 1938-11-19 | 1940-03-30 | Method for obtaining reproduction of images by means of disazo compounds |
-
0
- NL NL66149D patent/NL66149C/xx active
- BE BE470580D patent/BE470580A/xx unknown
-
1947
- 1947-01-15 GB GB1362/47A patent/GB678911A/en not_active Expired
- 1947-01-16 FR FR941053D patent/FR941053A/en not_active Expired
- 1947-01-16 CH CH263994D patent/CH263994A/en unknown
- 1947-02-08 US US727310A patent/US2571671A/en not_active Expired - Lifetime
-
1948
- 1948-11-05 DE DEP20788D patent/DE854886C/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE470580A (en) | |
NL66149C (en) | |
US2571671A (en) | 1951-10-16 |
FR941053A (en) | 1948-12-31 |
DE854886C (en) | 1952-11-06 |
GB678911A (en) | 1952-09-10 |
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