GB1338433A - Making photographic direct-positive silver halide emulsions - Google Patents
Making photographic direct-positive silver halide emulsionsInfo
- Publication number
- GB1338433A GB1338433A GB2102171A GB2102171A GB1338433A GB 1338433 A GB1338433 A GB 1338433A GB 2102171 A GB2102171 A GB 2102171A GB 2102171 A GB2102171 A GB 2102171A GB 1338433 A GB1338433 A GB 1338433A
- Authority
- GB
- United Kingdom
- Prior art keywords
- silver halide
- auric
- complex
- gold
- 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
- -1 silver halide Chemical class 0.000 title abstract 7
- 229910052709 silver Inorganic materials 0.000 title abstract 6
- 239000004332 silver Substances 0.000 title abstract 6
- 239000000839 emulsion Substances 0.000 title abstract 5
- 229910052783 alkali metal Inorganic materials 0.000 abstract 3
- 150000001340 alkali metals Chemical class 0.000 abstract 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 abstract 3
- 239000010931 gold Substances 0.000 abstract 3
- 229910052737 gold Inorganic materials 0.000 abstract 3
- 239000003795 chemical substances by application Substances 0.000 abstract 2
- 150000004820 halides Chemical class 0.000 abstract 2
- 150000003839 salts Chemical class 0.000 abstract 2
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 abstract 2
- AGJZCWVTGOVGBS-UHFFFAOYSA-N 1,1'-diethyl-2,2'-cyanine Chemical compound C1=CC2=CC=CC=C2N(CC)\C1=C\C1=CC=C(C=CC=C2)C2=[N+]1CC AGJZCWVTGOVGBS-UHFFFAOYSA-N 0.000 abstract 1
- KPZGRMZPZLOPBS-UHFFFAOYSA-N 1,3-dichloro-2,2-bis(chloromethyl)propane Chemical compound ClCC(CCl)(CCl)CCl KPZGRMZPZLOPBS-UHFFFAOYSA-N 0.000 abstract 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 abstract 1
- 229910003803 Gold(III) chloride Inorganic materials 0.000 abstract 1
- ZMZDMBWJUHKJPS-UHFFFAOYSA-M Thiocyanate anion Chemical compound [S-]C#N ZMZDMBWJUHKJPS-UHFFFAOYSA-M 0.000 abstract 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 abstract 1
- 230000006735 deficit Effects 0.000 abstract 1
- 230000029087 digestion Effects 0.000 abstract 1
- 125000000219 ethylidene group Chemical group [H]C(=[*])C([H])([H])[H] 0.000 abstract 1
- RJHLTVSLYWWTEF-UHFFFAOYSA-K gold trichloride Chemical compound Cl[Au](Cl)Cl RJHLTVSLYWWTEF-UHFFFAOYSA-K 0.000 abstract 1
- ZMZDMBWJUHKJPS-UHFFFAOYSA-N hydrogen thiocyanate Natural products SC#N ZMZDMBWJUHKJPS-UHFFFAOYSA-N 0.000 abstract 1
- 230000005070 ripening Effects 0.000 abstract 1
- 230000001235 sensitizing effect Effects 0.000 abstract 1
- SDKPSXWGRWWLKR-UHFFFAOYSA-M sodium;9,10-dioxoanthracene-1-sulfonate Chemical compound [Na+].O=C1C2=CC=CC=C2C(=O)C2=C1C=CC=C2S(=O)(=O)[O-] SDKPSXWGRWWLKR-UHFFFAOYSA-M 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 |
|---|---|---|---|
| US1183770A | 1970-02-16 | 1970-02-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1338433A true GB1338433A (en) | 1973-11-21 |
Family
ID=21752187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2102171A Expired GB1338433A (en) | 1970-02-16 | 1971-04-19 | Making photographic direct-positive silver halide emulsions |
Country Status (10)
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1480241A (en) * | 1974-04-03 | 1977-07-20 | Agfa Gevaert | Direct-positive silver halide emulsions |
| GB1513140A (en) * | 1974-09-30 | 1978-06-07 | Agfa Gevaert | Direct-positive silver halide emulsions |
| DE2641284C2 (de) * | 1976-09-14 | 1986-05-07 | Agfa-Gevaert Ag, 5090 Leverkusen | Verfahren zur Stabilisierung photographischer Silberhalogenidemulsionsschichten |
| JPS53134430A (en) * | 1977-04-27 | 1978-11-24 | Mitsubishi Paper Mills Ltd | Silver halide photosensitive materials for multiilayer color photograph |
| US4247617A (en) * | 1979-05-11 | 1981-01-27 | Polaroid Corporation | Silver diffusion transfer film unit transparency |
| JPS6055822B2 (ja) * | 1982-04-26 | 1985-12-06 | コニカ株式会社 | 直接ポジ用ハロゲン化銀写真感光材料 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE498287A (enrdf_load_stackoverflow) * | 1949-09-24 | |||
| GB723019A (en) * | 1952-02-05 | 1955-02-02 | Gevaert Photo Prod Nv | Improvements in or relating to the manufacture of photographic material |
| CH472050A (fr) * | 1966-03-11 | 1969-04-30 | Kodak Sa | Emulsion photographique pour positif direct |
-
1970
- 1970-02-16 US US11837A patent/US3672903A/en not_active Expired - Lifetime
-
1971
- 1971-01-11 CA CA102,330A patent/CA976023A/en not_active Expired
- 1971-01-29 BR BR773/71A patent/BR7100773D0/pt unknown
- 1971-02-13 JP JP46005988A patent/JPS5142488B1/ja active Pending
- 1971-02-15 FR FR7104940A patent/FR2078584A5/fr not_active Expired
- 1971-02-15 AU AU25448/71A patent/AU2544871A/en not_active Expired
- 1971-02-15 CH CH215571A patent/CH527440A/fr not_active IP Right Cessation
- 1971-02-15 DE DE2107119A patent/DE2107119C3/de not_active Expired
- 1971-02-15 BE BE762988A patent/BE762988A/xx not_active IP Right Cessation
- 1971-04-19 GB GB2102171A patent/GB1338433A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2107119B2 (de) | 1978-08-24 |
| DE2107119A1 (de) | 1971-09-02 |
| CA976023A (en) | 1975-10-14 |
| BR7100773D0 (pt) | 1973-04-26 |
| CH527440A (fr) | 1972-08-31 |
| DE2107119C3 (de) | 1979-04-26 |
| JPS5142488B1 (enrdf_load_stackoverflow) | 1976-11-16 |
| FR2078584A5 (enrdf_load_stackoverflow) | 1971-11-05 |
| BE762988A (fr) | 1971-07-16 |
| US3672903A (en) | 1972-06-27 |
| AU2544871A (en) | 1972-08-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |