FR49141E - émulsions photosensibles à noircissement direct - Google Patents
émulsions photosensibles à noircissement directInfo
- Publication number
- FR49141E FR49141E FR49141DA FR49141E FR 49141 E FR49141 E FR 49141E FR 49141D A FR49141D A FR 49141DA FR 49141 E FR49141 E FR 49141E
- Authority
- FR
- France
- Prior art keywords
- photosensitive emulsions
- blackening
- direct
- direct blackening
- emulsions
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000000839 emulsion Substances 0.000 title 1
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
- G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
- G03C1/49—Print-out and photodevelopable emulsions
-
- 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
- Y10S430/141—Direct positive material
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US124866A US2126319A (en) | 1937-02-09 | 1937-02-09 | Print-out emulsion |
Publications (1)
Publication Number | Publication Date |
---|---|
FR49141E true FR49141E (fr) | 1938-11-07 |
Family
ID=22417177
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR49141D Expired FR49141E (fr) | 1937-02-09 | 1938-02-08 | émulsions photosensibles à noircissement direct |
Country Status (2)
Country | Link |
---|---|
US (1) | US2126319A (fr) |
FR (1) | FR49141E (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2449153A (en) * | 1944-04-03 | 1948-09-14 | Urbach Franz | Photographic silver bromide emulsion sensitized with cysteine |
-
1937
- 1937-02-09 US US124866A patent/US2126319A/en not_active Expired - Lifetime
-
1938
- 1938-02-08 FR FR49141D patent/FR49141E/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2126319A (en) | 1938-08-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR949227A (fr) | émulsions photographiques perfectionnées | |
FR844866A (fr) | Révélateurs photographiques | |
FR50775E (fr) | émulsions photographiques | |
FR838070A (fr) | Perfectionnements à la soudure | |
FR826397A (fr) | Perfectionnements aux émulsions photographiques | |
FR867410A (fr) | émulsions photographiques | |
FR808377A (fr) | Révélateur photographique | |
FR49141E (fr) | émulsions photosensibles à noircissement direct | |
FR802771A (fr) | émulsions photosensibles à noircissement direct | |
FR820826A (fr) | Hélice à fentes | |
FR840588A (fr) | Mécanismes à résonance | |
FR748383A (fr) | Crible à escalier | |
FR820509A (fr) | Crémones à tringles indépendantes | |
FR819905A (fr) | Pivot-paumelle à tenons | |
FR830464A (fr) | Agrandisseur photographique | |
FR781877A (fr) | Révélateur photographique | |
FR822612A (fr) | Distributeur-mélangeur à combinaisons | |
FR820273A (fr) | Fusée à giration | |
FR819754A (fr) | Révélateurs photographiques | |
FR824430A (fr) | Pédalier à manivelles orientables | |
FR845500A (fr) | Serrure à combinaisons | |
FR821606A (fr) | Seringue à obturateur | |
FR840840A (fr) | Obturateur photographique | |
FR820085A (fr) | Image scioptique | |
FR835558A (fr) | Obturateur photographique à fente |