FR752847A - Improvements to photographic emulsions - Google Patents
Improvements to photographic emulsionsInfo
- Publication number
- FR752847A FR752847A FR752847DA FR752847A FR 752847 A FR752847 A FR 752847A FR 752847D A FR752847D A FR 752847DA FR 752847 A FR752847 A FR 752847A
- Authority
- FR
- France
- Prior art keywords
- photographic emulsions
- photographic
- 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
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
- G03C1/015—Apparatus or processes for the preparation of emulsions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/40—Mixing liquids with liquids; Emulsifying
- B01F23/41—Emulsifying
- B01F23/411—Emulsifying using electrical or magnetic fields, heat or vibrations
- B01F23/4111—Emulsifying using electrical or magnetic fields, heat or vibrations using vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
- B01F31/80—Mixing by means of high-frequency vibrations above one kHz, e.g. ultrasonic vibrations
- B01F31/86—Mixing by means of high-frequency vibrations above one kHz, e.g. ultrasonic vibrations with vibration of the receptacle or part of it
-
- 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
- G03C2200/00—Details
- G03C2200/09—Apparatus
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE752847T | 1932-03-22 | ||
GB34113/34A GB452857A (en) | 1932-03-22 | 1934-11-27 | Improvements in and relating to processes for the production of photographic emulsions, and the emulsions obtained thereby |
Publications (1)
Publication Number | Publication Date |
---|---|
FR752847A true FR752847A (en) | 1933-09-29 |
Family
ID=10361524
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR752847D Expired FR752847A (en) | 1932-03-22 | 1933-03-21 | Improvements to photographic emulsions |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE395209A (en) |
FR (1) | FR752847A (en) |
GB (1) | GB452857A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE889260C (en) * | 1935-03-22 | 1953-09-10 | C Schleussner Fotowerke G M B | Process for making photosensitive emulsions |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2463794A (en) * | 1944-08-30 | 1949-03-08 | Du Pont | Preparation of colloid color former silver halide dispersions |
US2976149A (en) * | 1956-10-30 | 1961-03-21 | Repro Design & Equipment Compa | Direct positive photographic emulsion |
-
1933
- 1933-03-21 FR FR752847D patent/FR752847A/en not_active Expired
- 1933-03-23 BE BE395209D patent/BE395209A/xx unknown
-
1934
- 1934-11-27 GB GB34113/34A patent/GB452857A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE889260C (en) * | 1935-03-22 | 1953-09-10 | C Schleussner Fotowerke G M B | Process for making photosensitive emulsions |
Also Published As
Publication number | Publication date |
---|---|
GB452857A (en) | 1935-05-29 |
BE395209A (en) | 1933-04-29 |
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