BE519492A - - Google Patents
Info
- Publication number
- BE519492A BE519492A BE519492DA BE519492A BE 519492 A BE519492 A BE 519492A BE 519492D A BE519492D A BE 519492DA BE 519492 A BE519492 A BE 519492A
- Authority
- BE
- Belgium
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/28—Measuring attenuation, gain, phase shift or derived characteristics of electric four pole networks, i.e. two-port networks; Measuring transient response
- G01R27/32—Measuring attenuation, gain, phase shift or derived characteristics of electric four pole networks, i.e. two-port networks; Measuring transient response in circuits having distributed constants, e.g. having very long conductors or involving high frequencies
-
- 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
- G03C1/04—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with macromolecular additives; with layer-forming substances
- G03C1/053—Polymers obtained by reactions involving only carbon-to-carbon unsaturated bonds, e.g. vinyl polymers
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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
- G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
- G03C1/825—Photosensitive materials characterised by the base or auxiliary layers characterised by antireflection means or visible-light filtering means, e.g. antihalation
- G03C1/835—Macromolecular substances therefor, e.g. mordants
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1051852A GB729924A (en) | 1952-04-25 | 1952-04-25 | Improvements in photographic materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE519492A true BE519492A (enrdf_load_stackoverflow) |
Family
ID=9969301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE519492D BE519492A (enrdf_load_stackoverflow) | 1952-04-25 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE519492A (enrdf_load_stackoverflow) |
| FR (2) | FR1046452A (enrdf_load_stackoverflow) |
| GB (1) | GB729924A (enrdf_load_stackoverflow) |
-
0
- BE BE519492D patent/BE519492A/xx unknown
-
1951
- 1951-12-15 FR FR1046452D patent/FR1046452A/fr not_active Expired
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1952
- 1952-04-25 GB GB1051852A patent/GB729924A/en not_active Expired
-
1953
- 1953-04-25 FR FR1076452D patent/FR1076452A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1076452A (fr) | 1954-10-27 |
| FR1046452A (fr) | 1953-12-07 |
| GB729924A (en) | 1955-05-11 |