BE593710A - - Google Patents
Info
- Publication number
- BE593710A BE593710A BE593710DA BE593710A BE 593710 A BE593710 A BE 593710A BE 593710D A BE593710D A BE 593710DA BE 593710 A BE593710 A BE 593710A
- Authority
- BE
- Belgium
- Prior art keywords
- gelatin
- derivative
- solution
- pyromellitic dianhydride
- silver halide
- Prior art date
Links
- 108010010803 Gelatin Proteins 0.000 claims description 87
- 229920000159 gelatin Polymers 0.000 claims description 87
- 239000008273 gelatin Substances 0.000 claims description 87
- 235000019322 gelatine Nutrition 0.000 claims description 87
- 235000011852 gelatine desserts Nutrition 0.000 claims description 87
- -1 silver halide salts Chemical class 0.000 claims description 19
- VLDPXPPHXDGHEW-UHFFFAOYSA-N 1-chloro-2-dichlorophosphoryloxybenzene Chemical compound ClC1=CC=CC=C1OP(Cl)(Cl)=O VLDPXPPHXDGHEW-UHFFFAOYSA-N 0.000 claims description 18
- 229910052709 silver Inorganic materials 0.000 claims description 17
- 239000004332 silver Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 14
- 238000002360 preparation method Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000012736 aqueous medium Substances 0.000 claims 1
- 239000000243 solution Substances 0.000 description 39
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 30
- 239000000839 emulsion Substances 0.000 description 20
- 239000007864 aqueous solution Substances 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 8
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 239000002244 precipitate Substances 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 239000004372 Polyvinyl alcohol Substances 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 229920002451 polyvinyl alcohol Polymers 0.000 description 4
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 4
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 4
- 238000005345 coagulation Methods 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 230000020477 pH reduction Effects 0.000 description 2
- IOLCXVTUBQKXJR-UHFFFAOYSA-M potassium bromide Chemical compound [K+].[Br-] IOLCXVTUBQKXJR-UHFFFAOYSA-M 0.000 description 2
- 235000010333 potassium nitrate Nutrition 0.000 description 2
- 239000004323 potassium nitrate Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- CYIDZMCFTVVTJO-UHFFFAOYSA-N pyromellitic acid Chemical compound OC(=O)C1=CC(C(O)=O)=C(C(O)=O)C=C1C(O)=O CYIDZMCFTVVTJO-UHFFFAOYSA-N 0.000 description 2
- 229910001961 silver nitrate Inorganic materials 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M potassium chloride Inorganic materials [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000001226 reprecipitation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- YBBRCQOCSYXUOC-UHFFFAOYSA-N sulfuryl dichloride Chemical class ClS(Cl)(=O)=O YBBRCQOCSYXUOC-UHFFFAOYSA-N 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Colloid Chemistry (AREA)
- Medicinal Preparation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE593710T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE593710A true BE593710A (OSRAM) |
Family
ID=3873903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE593710D BE593710A (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE593710A (OSRAM) |
-
0
- BE BE593710D patent/BE593710A/nl unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2614928A (en) | Method of preparing photographic emulsions | |
| US2565418A (en) | Method of preparing photographic silver halide emulsions | |
| US2525753A (en) | Gelatin derivatives | |
| US3168403A (en) | Flocculated gelatine emulsions containing sulphonated copolymers of styrene | |
| BE593710A (OSRAM) | ||
| US2691582A (en) | Peptizing of silver halides with oxidized proteins or oxidized protein derivatives | |
| US3132945A (en) | Silver halide emulsions containing vinyl sulfone-gelatin derivatives | |
| US3615789A (en) | Process for the manufacture of enriched colloidal silver | |
| US4153462A (en) | Method of making silver halide emulsions | |
| US2614930A (en) | Method of preparing polyvinyl alcohol-silver halide photographic emulsions | |
| DE1242448B (de) | Verfahren zur Herstellung photographischer Silberhalogenidemulsionen mittels Ausflockung | |
| US3138461A (en) | Process for preparing silver halide emulsions containing gelatin derivatives | |
| US2893867A (en) | Compositions for use in the manufacture of light-sensitive photographic materials | |
| BE568154A (OSRAM) | ||
| DE973159C (de) | Verfahren zur Herstellung lichtempfindlicher fotografischer Emulsionen | |
| DE1547829A1 (de) | Verfahren zur Herstellung von photographischen Gelatine-Halogensilber-Emulsionen | |
| US5627019A (en) | Method of preparing light-sensitive silver halide emulsions and dispersions of photographically useful compounds | |
| US5523201A (en) | Method for desalting silver halide emulsion and silver halide emulsion prepared thereby | |
| US3884701A (en) | Method of preparing silver halide emulsions | |
| JPH0519695B2 (OSRAM) | ||
| US5486451A (en) | Method of preparing silver halide photographic emulsions | |
| US4315072A (en) | Artificial gelatins of high methionine content for photographic film | |
| JP2835711B2 (ja) | 写真材料の親水性層の被覆溶液にすぐ使用できる写真的に有用な化合物の分散体の製造方法 | |
| US2960405A (en) | Peptizing silver-halides with modified casein | |
| US3144335A (en) | Process for producing silver halidecasein photographic emulsions |