BE738576A - - Google Patents
Info
- Publication number
- BE738576A BE738576A BE738576DA BE738576A BE 738576 A BE738576 A BE 738576A BE 738576D A BE738576D A BE 738576DA BE 738576 A BE738576 A BE 738576A
- Authority
- BE
- Belgium
- 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
- G03C1/485—Direct positive emulsions
- G03C1/48515—Direct positive emulsions prefogged
-
- 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)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US75981668A | 1968-09-09 | 1968-09-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE738576A true BE738576A (xx) | 1970-02-16 |
Family
ID=25057061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE738576D Expired BE738576A (xx) | 1968-09-09 | 1969-09-08 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3615573A (xx) |
| JP (1) | JPS5347003B1 (xx) |
| BE (1) | BE738576A (xx) |
| CH (1) | CH520349A (xx) |
| DE (1) | DE1945449B2 (xx) |
| FR (1) | FR2017656A1 (xx) |
| GB (1) | GB1269260A (xx) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2224837C3 (de) * | 1972-05-20 | 1986-05-07 | Agfa-Gevaert Ag, 5090 Leverkusen | Direktpositives photographisches Aufzeichnungsmaterial |
| GB1456243A (en) * | 1973-01-25 | 1976-11-24 | Agfa Gevaert | Directpositive silver halide elements |
| GB1468816A (en) * | 1973-06-08 | 1977-03-30 | Agfa Gevaert | Photographic direct positive silver halide compositions |
| GB1447502A (en) * | 1973-06-18 | 1976-08-25 | Agfa Gevaert | Method of preparing direct-positive silver halide elements |
| US4378427A (en) * | 1980-09-11 | 1983-03-29 | E. I. Du Pont De Nemours And Company | Method for producing a long scale direct-positive photographic emulsion |
| US4370411A (en) * | 1980-09-11 | 1983-01-25 | E. I. Du Pont De Nemours And Company | Method for producing a long scale direct-positive photographic emulsion |
| DE3138166A1 (de) * | 1981-09-25 | 1983-04-14 | Irbit Holding AG, 1701 Fribourg | Schaumstoffschneidverfahren |
| USRE32097E (en) * | 1981-11-12 | 1986-03-25 | Eastman Kodak Company | Blended grain direct-positive emulsions and photographic elements and processes for their use |
| US4444865A (en) * | 1981-11-12 | 1984-04-24 | Eastman Kodak Company | Blended grain direct-positive emulsions and photographic elements and processes for their use |
| US4444874A (en) * | 1982-09-15 | 1984-04-24 | Eastman Kodak Company | Photographic elements containing direct-positive emulsions and processes for their use |
| USRE32149E (en) * | 1982-09-15 | 1986-05-20 | Eastman Kodak Company | Photographic elements containing direct-positive emulsions and processes for their use |
| EP0681209A1 (en) * | 1994-05-06 | 1995-11-08 | Agfa-Gevaert N.V. | Multilayer direct-positive photographic material and process for preparing the same |
-
1968
- 1968-09-09 US US759816A patent/US3615573A/en not_active Expired - Lifetime
-
1969
- 1969-08-28 GB GB42919/69A patent/GB1269260A/en not_active Expired
- 1969-09-08 DE DE1945449A patent/DE1945449B2/de not_active Withdrawn
- 1969-09-08 BE BE738576D patent/BE738576A/xx not_active Expired
- 1969-09-08 JP JP7063369A patent/JPS5347003B1/ja active Pending
- 1969-09-09 CH CH1365969A patent/CH520349A/fr not_active IP Right Cessation
- 1969-09-09 FR FR6930560A patent/FR2017656A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| FR2017656A1 (xx) | 1970-05-22 |
| JPS5347003B1 (xx) | 1978-12-18 |
| GB1269260A (en) | 1972-04-06 |
| DE1945449A1 (de) | 1970-03-19 |
| CH520349A (fr) | 1972-03-15 |
| US3615573A (en) | 1971-10-26 |
| DE1945449B2 (de) | 1975-07-17 |