CH502619A - Verfahren zur Herstellung photographischer direktpositiver Bilder - Google Patents
Verfahren zur Herstellung photographischer direktpositiver BilderInfo
- Publication number
- CH502619A CH502619A CH1502968A CH1502968A CH502619A CH 502619 A CH502619 A CH 502619A CH 1502968 A CH1502968 A CH 1502968A CH 1502968 A CH1502968 A CH 1502968A CH 502619 A CH502619 A CH 502619A
- Authority
- CH
- Switzerland
- Prior art keywords
- grains
- silver halide
- halide
- photographic
- digestion
- Prior art date
Links
- 239000000839 emulsion Substances 0.000 title claims abstract description 28
- 230000029087 digestion Effects 0.000 title abstract description 3
- 150000004820 halides Chemical class 0.000 claims abstract 9
- 238000006243 chemical reaction Methods 0.000 claims abstract 2
- 239000003638 chemical reducing agent Substances 0.000 claims abstract 2
- 229910052709 silver Inorganic materials 0.000 claims description 19
- 239000004332 silver Substances 0.000 claims description 19
- -1 silver halide Chemical class 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 12
- 238000001556 precipitation Methods 0.000 claims description 9
- 230000005070 ripening Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- NYYSPVRERVXMLJ-UHFFFAOYSA-N 4,4-difluorocyclohexan-1-one Chemical compound FC1(F)CCC(=O)CC1 NYYSPVRERVXMLJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 2
- 230000001419 dependent effect Effects 0.000 claims 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 150000003464 sulfur compounds Chemical class 0.000 claims 1
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 abstract description 4
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 abstract description 4
- 229960005070 ascorbic acid Drugs 0.000 abstract description 2
- 235000010323 ascorbic acid Nutrition 0.000 abstract description 2
- 239000011668 ascorbic acid Substances 0.000 abstract description 2
- 238000004182 chemical digestion Methods 0.000 abstract 2
- PNKUSGQVOMIXLU-UHFFFAOYSA-N Formamidine Chemical compound NC=N PNKUSGQVOMIXLU-UHFFFAOYSA-N 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 238000005286 illumination Methods 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 231100000489 sensitizer Toxicity 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 11
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 6
- 108010010803 Gelatin Proteins 0.000 description 4
- 229920000159 gelatin Polymers 0.000 description 4
- 239000008273 gelatin Substances 0.000 description 4
- 235000019322 gelatine Nutrition 0.000 description 4
- 235000011852 gelatine desserts Nutrition 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- AOPRFYAPABFRPU-UHFFFAOYSA-N amino(imino)methanesulfonic acid Chemical compound NC(=N)S(O)(=O)=O AOPRFYAPABFRPU-UHFFFAOYSA-N 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- LAABTJXWUKMZIV-UHFFFAOYSA-N benzene-1,4-diol;4-(methylamino)phenol Chemical compound OC1=CC=C(O)C=C1.CNC1=CC=C(O)C=C1 LAABTJXWUKMZIV-UHFFFAOYSA-N 0.000 description 1
- 229940075397 calomel Drugs 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- ZOMNIUBKTOKEHS-UHFFFAOYSA-L dimercury dichloride Chemical compound Cl[Hg][Hg]Cl ZOMNIUBKTOKEHS-UHFFFAOYSA-L 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- IUTCEZPPWBHGIX-UHFFFAOYSA-N tin(2+) Chemical class [Sn+2] IUTCEZPPWBHGIX-UHFFFAOYSA-N 0.000 description 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 |
|---|---|---|---|
| DEA0057040 | 1967-10-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH502619A true CH502619A (de) | 1971-01-31 |
Family
ID=6940883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1502968A CH502619A (de) | 1967-10-12 | 1968-10-08 | Verfahren zur Herstellung photographischer direktpositiver Bilder |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE722149A (enrdf_load_html_response) |
| CH (1) | CH502619A (enrdf_load_html_response) |
| DE (1) | DE1597488A1 (enrdf_load_html_response) |
| FR (1) | FR1585791A (enrdf_load_html_response) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2224837C3 (de) * | 1972-05-20 | 1986-05-07 | Agfa-Gevaert Ag, 5090 Leverkusen | Direktpositives photographisches Aufzeichnungsmaterial |
| JPS6055821B2 (ja) * | 1981-02-18 | 1985-12-06 | 富士写真フイルム株式会社 | 内部潜像型ハロゲン化銀写真乳剤の製造法 |
| JPS57138631A (en) * | 1981-02-19 | 1982-08-27 | Fuji Photo Film Co Ltd | Internal latent image type silver halide emulsion |
| US4478928A (en) * | 1983-05-11 | 1984-10-23 | Eastman Kodak Company | Application of activated arylhydrazides to silver halide photography |
-
1967
- 1967-10-12 DE DE19671597488 patent/DE1597488A1/de active Pending
-
1968
- 1968-10-08 CH CH1502968A patent/CH502619A/de not_active IP Right Cessation
- 1968-10-11 FR FR1585791D patent/FR1585791A/fr not_active Expired
- 1968-10-11 BE BE722149D patent/BE722149A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE722149A (enrdf_load_html_response) | 1969-04-11 |
| DE1597488A1 (de) | 1970-06-11 |
| FR1585791A (enrdf_load_html_response) | 1970-01-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |