GB1303314A - - Google Patents
Info
- Publication number
- GB1303314A GB1303314A GB1559170A GB1559170A GB1303314A GB 1303314 A GB1303314 A GB 1303314A GB 1559170 A GB1559170 A GB 1559170A GB 1559170 A GB1559170 A GB 1559170A GB 1303314 A GB1303314 A GB 1303314A
- Authority
- GB
- United Kingdom
- Prior art keywords
- ascorbic acid
- acid
- april
- protective colloid
- hydroxylamine
- 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
- G03C1/76—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
- G03C1/8255—Silver or silver compounds therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
- Colloid Chemistry (AREA)
- Chemical Treatment Of Metals (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Developing Agents For Electrophotography (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19691917745 DE1917745C3 (de) | 1969-04-05 | Herstellung von Silberdispersionen für Filter- und Lichthofschutzschichten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1303314A true GB1303314A (US20050192411A1-20050901-C00001.png) | 1973-01-17 |
Family
ID=5730564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1559170A Expired GB1303314A (US20050192411A1-20050901-C00001.png) | 1969-04-05 | 1970-04-02 |
Country Status (7)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2559191C2 (de) * | 1975-12-30 | 1982-11-25 | Agfa-Gevaert Ag, 5090 Leverkusen | Verfahren zur Herstellung von Silberdispersionen für Filter- und Lichthofschutzschichten |
| EP0366181A3 (en) * | 1988-10-26 | 1990-05-16 | Agfa-Gevaert N.V. | Silver sulphide sol with ultrafine particle size |
| US5246823A (en) * | 1991-05-14 | 1993-09-21 | Eastman Kodak Company | Photographic element having improved antihalation layer containing tabular silver grains |
-
1970
- 1970-03-16 CH CH387370A patent/CH535975A/de not_active IP Right Cessation
- 1970-03-26 US US23033A patent/US3674703A/en not_active Expired - Lifetime
- 1970-04-02 GB GB1559170A patent/GB1303314A/en not_active Expired
- 1970-04-03 FR FR7012215A patent/FR2042930A5/fr not_active Expired
- 1970-04-03 BE BE748516D patent/BE748516A/nl unknown
- 1970-04-03 CA CA079084A patent/CA927655A/en not_active Expired
- 1970-04-04 JP JP45028310A patent/JPS4943201B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1917745B2 (de) | 1976-04-15 |
| CA927655A (en) | 1973-06-05 |
| FR2042930A5 (US20050192411A1-20050901-C00001.png) | 1971-02-12 |
| BE748516A (nl) | 1970-10-05 |
| US3674703A (en) | 1972-07-04 |
| JPS4943201B1 (US20050192411A1-20050901-C00001.png) | 1974-11-20 |
| DE1917745A1 (de) | 1970-10-15 |
| CH535975A (de) | 1973-04-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB635841A (en) | Improvements in photographic silver halide emulsions | |
| GB1264532A (US20050192411A1-20050901-C00001.png) | ||
| GB1303314A (US20050192411A1-20050901-C00001.png) | ||
| GB1018755A (en) | Sensitization of photographic silver halide emulsions | |
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| GB967624A (en) | Improvements in or relating to the preparation of photographic silver halide emulsions |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| 435 | Patent endorsed 'licences of right' on the date specified (sect. 35/1949) | ||
| PCNP | Patent ceased through non-payment of renewal fee |