GB1405803A - Photographic direct-positive silver salt material - Google Patents
Photographic direct-positive silver salt materialInfo
- Publication number
- GB1405803A GB1405803A GB2377673A GB2377673A GB1405803A GB 1405803 A GB1405803 A GB 1405803A GB 2377673 A GB2377673 A GB 2377673A GB 2377673 A GB2377673 A GB 2377673A GB 1405803 A GB1405803 A GB 1405803A
- Authority
- GB
- United Kingdom
- Prior art keywords
- silver salt
- silver
- grains
- cores
- positive
- 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
- GGCZERPQGJTIQP-UHFFFAOYSA-N sodium;9,10-dioxoanthracene-2-sulfonic acid Chemical compound [Na+].C1=CC=C2C(=O)C3=CC(S(=O)(=O)O)=CC=C3C(=O)C2=C1 GGCZERPQGJTIQP-UHFFFAOYSA-N 0.000 title abstract 7
- 239000000463 material Substances 0.000 title abstract 4
- 238000010893 electron trap Methods 0.000 abstract 3
- 239000000839 emulsion Substances 0.000 abstract 3
- 230000001788 irregular Effects 0.000 abstract 2
- 229910052751 metal Inorganic materials 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- 150000003839 salts Chemical class 0.000 abstract 2
- JKFYKCYQEWQPTM-UHFFFAOYSA-N 2-azaniumyl-2-(4-fluorophenyl)acetate Chemical compound OC(=O)C(N)C1=CC=C(F)C=C1 JKFYKCYQEWQPTM-UHFFFAOYSA-N 0.000 abstract 1
- 206010070834 Sensitisation Diseases 0.000 abstract 1
- 229910021612 Silver iodide Inorganic materials 0.000 abstract 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical class [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 229910052797 bismuth Inorganic materials 0.000 abstract 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 abstract 1
- 239000003638 chemical reducing agent Substances 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 abstract 1
- 229910052737 gold Inorganic materials 0.000 abstract 1
- 239000010931 gold Substances 0.000 abstract 1
- 150000002344 gold compounds Chemical class 0.000 abstract 1
- 150000002503 iridium Chemical class 0.000 abstract 1
- 230000005070 ripening Effects 0.000 abstract 1
- 230000008313 sensitization Effects 0.000 abstract 1
- 230000001235 sensitizing effect Effects 0.000 abstract 1
- 229910052709 silver Inorganic materials 0.000 abstract 1
- 239000004332 silver Substances 0.000 abstract 1
- ADZWSOLPGZMUMY-UHFFFAOYSA-M silver bromide Chemical compound [Ag]Br ADZWSOLPGZMUMY-UHFFFAOYSA-M 0.000 abstract 1
- 229940045105 silver iodide Drugs 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- DHCDFWKWKRSZHF-UHFFFAOYSA-L thiosulfate(2-) Chemical compound [O-]S([S-])(=O)=O DHCDFWKWKRSZHF-UHFFFAOYSA-L 0.000 abstract 1
- -1 thiosulphate Chemical class 0.000 abstract 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
- G03C1/485—Direct positive emulsions
- G03C1/48515—Direct positive emulsions prefogged
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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2224837A DE2224837C3 (de) | 1972-05-20 | 1972-05-20 | Direktpositives photographisches Aufzeichnungsmaterial |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1405803A true GB1405803A (en) | 1975-09-10 |
Family
ID=5845525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2377673A Expired GB1405803A (en) | 1972-05-20 | 1973-05-18 | Photographic direct-positive silver salt material |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3870522A (enrdf_load_html_response) |
| JP (1) | JPS586935B2 (enrdf_load_html_response) |
| BE (1) | BE799396A (enrdf_load_html_response) |
| CA (1) | CA1007919A (enrdf_load_html_response) |
| CH (1) | CH582898A5 (enrdf_load_html_response) |
| DE (1) | DE2224837C3 (enrdf_load_html_response) |
| FR (1) | FR2185808A1 (enrdf_load_html_response) |
| GB (1) | GB1405803A (enrdf_load_html_response) |
| IT (1) | IT985094B (enrdf_load_html_response) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2263246A1 (de) * | 1972-12-23 | 1974-07-04 | Agfa Gevaert Ag | Photographisches material zur herstellung direktpositiver photographischer bilder |
| JPS56121030A (en) * | 1980-02-27 | 1981-09-22 | Mitsubishi Paper Mills Ltd | Direct positive silver halide photographic sensitive material |
| 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 |
| 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 |
| JPS61264336A (ja) * | 1985-05-20 | 1986-11-22 | Konishiroku Photo Ind Co Ltd | 直接ポジハロゲン化銀写真感光材料 |
| DE3717227A1 (de) * | 1987-05-21 | 1988-12-01 | Henkel Kgaa | Phosphatfreies waschmittel mit reduzierter inkrustierungstendenz |
| DE3812530A1 (de) * | 1988-04-15 | 1989-10-26 | Henkel Kgaa | Verfahren zur erhoehung der dichte spruehgetrockneter, phosphatreduzierter waschmittel |
| US6120984A (en) * | 1998-06-17 | 2000-09-19 | Eastman Kodak Company | Solid electrolyte particles comprising MAg4 I5 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE476292A (enrdf_load_html_response) * | 1946-04-01 | |||
| US2717833A (en) * | 1952-05-12 | 1955-09-13 | Sperry Rand Corp | Direct positive emulsions |
| US3206313A (en) * | 1961-05-15 | 1965-09-14 | Eastman Kodak Co | Chemically sensitized emulsions having low surface sensitivity and high internal sensitivity |
| BE636801A (enrdf_load_html_response) * | 1962-09-01 | |||
| US3367778A (en) * | 1965-04-15 | 1968-02-06 | Eastman Kodak Co | Silver salt direct positive emulsion |
| US3445235A (en) * | 1965-07-15 | 1969-05-20 | Du Pont | Rhodium and iridium salts as anti-kinking agent in direct positive silver halide emulsions |
| US3317322A (en) * | 1965-08-27 | 1967-05-02 | Eastman Kodak Co | Photographic emulsions having high internal sensitivity |
| US3510348A (en) * | 1966-03-11 | 1970-05-05 | Eastman Kodak Co | Direct positive recording film |
| US3501305A (en) * | 1966-03-11 | 1970-03-17 | Eastman Kodak Co | Monodispersed photographic reversal emulsions |
| US3505070A (en) * | 1966-03-11 | 1970-04-07 | Eastman Kodak Co | Direct positive emulsion containing dimethine dyes containing a 2-aromatically substituted indole nucleus |
| GB1201792A (en) * | 1967-04-22 | 1970-08-12 | Kodak Ltd | Direct-positive photographic silver halide materials |
| DE1597488A1 (de) * | 1967-10-12 | 1970-06-11 | Agfa Gevaert Ag | Verbesserte photographische Emulsion fuer die Herstellung direktpositiver Bilder |
| US3615573A (en) * | 1968-09-09 | 1971-10-26 | Mary D Illingsworth | Direct-positive composition containing individually and differently fogged silver halide emulsions |
| US3600180A (en) * | 1968-11-04 | 1971-08-17 | Eastman Kodak Co | Method of making a blend of fogged,direct positive silver halide emulsions of different grain sizes |
| GB1323111A (en) * | 1970-04-01 | 1973-07-11 | Agfa Gevaert | Photographic direct positive silver halide material |
-
1972
- 1972-05-20 DE DE2224837A patent/DE2224837C3/de not_active Expired
-
1973
- 1973-05-11 BE BE1005035A patent/BE799396A/xx unknown
- 1973-05-16 US US360845A patent/US3870522A/en not_active Expired - Lifetime
- 1973-05-18 CH CH714973A patent/CH582898A5/xx not_active IP Right Cessation
- 1973-05-18 CA CA171,847A patent/CA1007919A/en not_active Expired
- 1973-05-18 FR FR7318148A patent/FR2185808A1/fr not_active Withdrawn
- 1973-05-18 GB GB2377673A patent/GB1405803A/en not_active Expired
- 1973-05-18 IT IT50076/73A patent/IT985094B/it active
- 1973-05-19 JP JP48055206A patent/JPS586935B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS586935B2 (ja) | 1983-02-07 |
| CA1007919A (en) | 1977-04-05 |
| JPS4943627A (enrdf_load_html_response) | 1974-04-24 |
| DE2224837A1 (de) | 1973-11-29 |
| US3870522A (en) | 1975-03-11 |
| BE799396A (nl) | 1973-11-12 |
| CH582898A5 (enrdf_load_html_response) | 1976-12-15 |
| IT985094B (it) | 1974-11-30 |
| DE2224837C3 (de) | 1986-05-07 |
| DE2224837B2 (enrdf_load_html_response) | 1980-02-28 |
| FR2185808A1 (enrdf_load_html_response) | 1974-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1385039A (en) | Photographic silver halide emulsions | |
| DE2418646C2 (de) | Verfahren zur Herstellung einer fotografischen Silberhalogenidemulsion | |
| GB1151782A (en) | Photographic silver halide emulsions | |
| GB1405803A (en) | Photographic direct-positive silver salt material | |
| GB1462212A (en) | Direct-positive photographic material | |
| GB1452302A (en) | Direct positive silver halide elements | |
| DE2306447C2 (de) | Fotografisches Aufzeichnungsmaterial | |
| GB1402198A (en) | Photographic silver salt emulsion for the production of direct positive images | |
| DE2113346A1 (de) | Direktpositivemulsionen mit verbesserter Strahlungsempfindlichkeit | |
| GB1451618A (en) | Direct positive silver halide materials | |
| DE2333111A1 (de) | Verbesserte photographische direktpositivemulsionen und verfahren zu deren herstellung | |
| GB1306801A (en) | Production of photographic silver images | |
| US4264724A (en) | Exposure of silver halide emulsions during formation | |
| GB1179136A (en) | Photographic Material. | |
| GB1338433A (en) | Making photographic direct-positive silver halide emulsions | |
| DE1912332A1 (de) | Photographisches Aufzeichnungsmaterial | |
| GB1464278A (en) | Antifogging agent for a photographic silver halide emulsion | |
| DE971450C (de) | Stabilisiertes photographisches Material | |
| DE1597488A1 (de) | Verbesserte photographische Emulsion fuer die Herstellung direktpositiver Bilder | |
| DE1772375A1 (de) | Photographische Silberbromidemulsion mit erhoehter Empfindlichkeit | |
| DE2160909A1 (de) | Verschleierte direktpositive photographische Silberhalogenidemulsion | |
| DE2307480A1 (de) | Entwicklungsverfahren fuer photographische direktpositivmaterialien | |
| DE2306279A1 (de) | Photographisches material | |
| GB1294328A (en) | Direct-positive silver halide emulsions | |
| EP0353628A3 (en) | Photographic silver bromoiodide emulsions, elements and processes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| 433D | Application made for revocation (sect. 33/1949) | ||
| 435 | Patent endorsed 'licences of right' on the date specified (sect. 35/1949) | ||
| 433C | Case decided by the comptroller ** specification amended (sect. 33/1949) | ||
| SP | Amendment (slips) printed | ||
| PCNP | Patent ceased through non-payment of renewal fee |