BE475247A - - Google Patents
Info
- Publication number
- BE475247A BE475247A BE475247DA BE475247A BE 475247 A BE475247 A BE 475247A BE 475247D A BE475247D A BE 475247DA BE 475247 A BE475247 A BE 475247A
- 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
- G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
- G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
- G03C5/29—Development processes or agents therefor
- G03C5/305—Additives other than developers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
- Y10S430/166—Toner containing
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US361278A US2298093A (en) | 1940-10-15 | 1940-10-15 | Production of photographs in blueblack tones |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE475247A true BE475247A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=23421378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE475247D BE475247A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1940-10-15 |
Country Status (3)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB571174A (en) * | 1944-02-03 | 1945-08-09 | Douglas James Fry | Improvements in or relating to the production of photographic light-sensitive emulsions |
| GB660856A (en) * | 1949-04-11 | 1951-11-14 | Ilford Ltd | Improvements in or relating to photographic materials |
| GB8923906D0 (en) * | 1989-10-24 | 1989-12-13 | Kodak Ltd | Tone controlling compounds |
| GB9603658D0 (en) * | 1996-02-21 | 1996-04-17 | Minnesota Mining & Mfg | Photographic materials with improved image tone |
| JP2000514931A (ja) * | 1996-07-15 | 2000-11-07 | イーストマン コダック カンパニー | ハロゲン化銀写真フィルム用画像トーン変調剤 |
-
0
- BE BE475247D patent/BE475247A/xx unknown
-
1940
- 1940-10-15 US US361278A patent/US2298093A/en not_active Expired - Lifetime
-
1947
- 1947-07-08 GB GB10845/47A patent/GB644788A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB644788A (en) | 1950-10-18 |
| US2298093A (en) | 1942-10-06 |