BE506515A - - Google Patents
Info
- Publication number
- BE506515A BE506515A BE506515DA BE506515A BE 506515 A BE506515 A BE 506515A BE 506515D A BE506515D A BE 506515DA BE 506515 A BE506515 A BE 506515A
- 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
- G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
- G03C1/815—Photosensitive materials characterised by the base or auxiliary layers characterised by means for filtering or absorbing ultraviolet light, e.g. optical bleaching
- G03C1/8155—Organic compounds therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US192285A US2649375A (en) | 1950-10-26 | 1950-10-26 | Light-sensitive photographic element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE506515A true BE506515A (US06265458-20010724-C00056.png) |
Family
ID=22709045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE506515D BE506515A (US06265458-20010724-C00056.png) | 1950-10-26 |
Country Status (5)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB772916A (en) * | 1954-08-04 | 1957-04-17 | Ferrania Spa | Process for manufacturing photographic material distinguishable in ultra-violet light |
| US2928735A (en) * | 1958-11-05 | 1960-03-15 | Eastman Kodak Co | Photographic emulsions containing an antifoggant and antiplumming agent |
| DE1236935B (de) * | 1961-10-17 | 1967-03-16 | Agfa Ag | Transparente photographische Verstaerkerfolien |
| US3275828A (en) * | 1962-04-02 | 1966-09-27 | Georg S Mittelstaedt | Radiographic intensifying means |
| NL291196A (US06265458-20010724-C00056.png) * | 1963-04-05 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE523120C (de) * | 1929-10-30 | 1931-04-20 | Hans Richter Dr | Fernseh-Glimmlampe |
| US2038114A (en) * | 1931-04-14 | 1936-04-21 | Sylvania Ind Corp | Wrapping material |
| DE667012C (de) * | 1932-10-05 | 1938-11-02 | Oskar Denzler Dr | Verfahren zur Herstellung von Sicherheitspapier, Banknoten, Dokumenten, Textilstoffen oder aehnlichen Werkstoffen mit Geheimkennzeichnung |
| DE625225C (de) * | 1933-04-07 | 1936-02-06 | Hans Lewin Dr | Verfahren zur Kontraststeigerung von Roentgenbildern auf undurchsichtigen Unterlagen |
| US2331492A (en) * | 1938-06-13 | 1943-10-12 | Chromogen Inc | Process and material for printing photographic images |
| FR878823A (fr) * | 1941-02-18 | 1943-02-04 | Ig Farbenindustrie Ag | Procédé permettant d'accentuer les blancs et le pouvoir lumineux de la couleur de la surface des images photographiques |
| US2334348A (en) * | 1941-06-23 | 1943-11-16 | Nat Marking Mach Co | Sunburn preventive |
| US2391959A (en) * | 1944-01-12 | 1946-01-01 | Gallowhur George | Sun-bathing apparel |
| US2508295A (en) * | 1945-11-08 | 1950-05-16 | Gen Aniline & Film Corp | Photographic filter layer for absorbing ultraviolet radiations |
| BE473594A (US06265458-20010724-C00056.png) * | 1946-06-11 |
-
0
- BE BE506515D patent/BE506515A/xx unknown
-
1950
- 1950-10-26 US US192285A patent/US2649375A/en not_active Expired - Lifetime
-
1951
- 1951-10-19 DE DEE4478A patent/DE946587C/de not_active Expired
- 1951-10-19 GB GB24450/51A patent/GB700646A/en not_active Expired
- 1951-10-24 FR FR1044132D patent/FR1044132A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1044132A (fr) | 1953-11-16 |
| DE946587C (de) | 1956-08-02 |
| GB700646A (en) | 1953-12-09 |
| US2649375A (en) | 1953-08-18 |
