BE442701A - - Google Patents
Info
- Publication number
- BE442701A BE442701A BE442701DA BE442701A BE 442701 A BE442701 A BE 442701A BE 442701D A BE442701D A BE 442701DA BE 442701 A BE442701 A BE 442701A
- Authority
- BE
- Belgium
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
- G03C1/72—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705
- G03C1/725—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705 containing inorganic compounds
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- 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
- G03C1/64—Compositions containing iron compounds as photosensitive substances
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- 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
- G03C1/72—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705
- G03C1/725—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705 containing inorganic compounds
- G03C1/7256—Mercury salts
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- 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
- G03C1/72—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705
- G03C1/73—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705 containing organic compounds
- G03C1/732—Leuco dyes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Color Printing (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US360444A US2324060A (en) | 1940-10-09 | 1940-10-09 | Photographic copying paper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE442701A true BE442701A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=23417973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE442701D BE442701A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1940-10-09 |
Country Status (3)
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2844465A (en) * | 1954-03-17 | 1958-07-22 | Chalkley Lyman | Photographic process |
| US2978352A (en) * | 1957-07-25 | 1961-04-04 | Du Pont | Production of triarylmethane colors |
| US3121632A (en) * | 1961-08-30 | 1964-02-18 | Horizons Inc | Photographic process and composition including leuco triphenylmethane dyes |
| US3140948A (en) * | 1961-10-18 | 1964-07-14 | Horizons Inc | Photography |
| US3184308A (en) * | 1962-05-23 | 1965-05-18 | Meyer S Agruss | Process for treating leucocyanide dye images and product thereof |
| US3408134A (en) * | 1963-04-22 | 1968-10-29 | American Optical Corp | Variable density light-filtering means utilizing stannous chloride and thiazine dye |
| US3418128A (en) * | 1965-01-04 | 1968-12-24 | Dietzgen Co Eugene | Photosensitive compositions comprising acid addition salts of substituted leucocyanide triphenylmethane dyes and metal perchlorates |
| US4370401A (en) * | 1979-12-07 | 1983-01-25 | Minnesota Mining And Manufacturing Company | Light sensitive, thermally developable imaging system |
| WO1981001757A1 (en) * | 1979-12-07 | 1981-06-25 | Minnesota Mining & Mfg | Color imaging system |
| DE3068981D1 (en) * | 1979-12-07 | 1984-09-20 | Minnesota Mining & Mfg | Light sensitive, thermally developable imaging system |
-
0
- BE BE442701D patent/BE442701A/xx unknown
-
1940
- 1940-10-09 US US360444A patent/US2324060A/en not_active Expired - Lifetime
-
1941
- 1941-01-21 GB GB813/41A patent/GB546637A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB546637A (en) | 1942-07-22 |
| US2324060A (en) | 1943-07-13 |