DE832543C - Verfahren zur Herstellung photographischer Kontraste - Google Patents
Verfahren zur Herstellung photographischer KontrasteInfo
- Publication number
- DE832543C DE832543C DEP20766A DEP0020766A DE832543C DE 832543 C DE832543 C DE 832543C DE P20766 A DEP20766 A DE P20766A DE P0020766 A DEP0020766 A DE P0020766A DE 832543 C DE832543 C DE 832543C
- Authority
- DE
- Germany
- Prior art keywords
- exposure
- moisture content
- different
- intensity
- duration
- 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
- 238000000034 method Methods 0.000 title claims description 29
- 230000008569 process Effects 0.000 title claims description 6
- 239000000463 material Substances 0.000 claims description 50
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 239000004627 regenerated cellulose Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 150000002736 metal compounds Chemical class 0.000 claims description 3
- 229920002301 cellulose acetate Polymers 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 150000008049 diazo compounds Chemical class 0.000 claims 3
- QCVGEOXPDFCNHA-UHFFFAOYSA-N 5,5-dimethyl-2,4-dioxo-1,3-oxazolidine-3-carboxamide Chemical compound CC1(C)OC(=O)N(C(N)=O)C1=O QCVGEOXPDFCNHA-UHFFFAOYSA-N 0.000 claims 1
- 102000002322 Egg Proteins Human genes 0.000 claims 1
- 108010000912 Egg Proteins Proteins 0.000 claims 1
- 239000012736 aqueous medium Substances 0.000 claims 1
- 235000014103 egg white Nutrition 0.000 claims 1
- 210000000969 egg white Anatomy 0.000 claims 1
- 235000013601 eggs Nutrition 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
- -1 oxydiazo compound Chemical class 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 230000008859 change Effects 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 6
- 150000001989 diazonium salts Chemical class 0.000 description 6
- 150000002730 mercury Chemical class 0.000 description 4
- 230000001143 conditioned effect Effects 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229920000159 gelatin Polymers 0.000 description 2
- 235000019322 gelatine Nutrition 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 2
- ZVNPWFOVUDMGRP-UHFFFAOYSA-N 4-methylaminophenol sulfate Chemical compound OS(O)(=O)=O.CNC1=CC=C(O)C=C1.CNC1=CC=C(O)C=C1 ZVNPWFOVUDMGRP-UHFFFAOYSA-N 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- 239000001828 Gelatine Substances 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 206010034972 Photosensitivity reaction Diseases 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 230000001235 sensitizing effect Effects 0.000 description 1
- 229910001961 silver nitrate Inorganic materials 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 238000004804 winding Methods 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
- G03C1/52—Compositions containing diazo compounds as photosensitive substances
- G03C1/62—Metal compounds reducible to metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D17/00—Parachutes
- B64D17/40—Packs
- B64D17/52—Opening, e.g. manual
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL272285X | 1946-01-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE832543C true DE832543C (de) | 1952-02-25 |
Family
ID=19781980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEP20766A Expired DE832543C (de) | 1946-01-21 | 1948-11-05 | Verfahren zur Herstellung photographischer Kontraste |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2571670A (enrdf_load_stackoverflow) |
| CH (1) | CH272285A (enrdf_load_stackoverflow) |
| DE (1) | DE832543C (enrdf_load_stackoverflow) |
| FR (1) | FR941092A (enrdf_load_stackoverflow) |
| GB (1) | GB678912A (enrdf_load_stackoverflow) |
| NL (1) | NL70689C (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE506160A (enrdf_load_stackoverflow) * | 1950-10-03 | |||
| US2733144A (en) * | 1951-03-28 | 1956-01-31 | Method of producing photographic |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US466534A (en) * | 1892-01-05 | Island | ||
| US2269161A (en) * | 1942-01-06 | morse | ||
| US1067690A (en) * | 1912-08-01 | 1913-07-15 | Kay M Stewart | Pump. |
| US1396770A (en) * | 1919-06-14 | 1921-11-15 | Eastman Kodak Co | Method and apparatus for making photographic records |
| BE343949A (enrdf_load_stackoverflow) * | 1926-07-09 | |||
| DE480352C (de) * | 1927-01-26 | 1929-08-08 | Ervin Burg Dr | Verfahren zur Beschleunigung der mittels Gase oder Daempfe bewirkten Entwicklungsprozesse von photographischen und Lichtpauspapieren |
| US1861918A (en) * | 1928-01-30 | 1932-06-07 | Eastman Kodak Co | Process of conditioning photographic films |
| GB377145A (en) * | 1931-04-02 | 1932-07-21 | Ig Farbenindustrie Ag | An improvement in producing sound and picture records |
| FR735718A (fr) * | 1931-07-21 | 1932-11-14 | Procédé de préparation et de fixage de couches photographiques obtenues avec des dazosulfonates | |
| FR741172A (enrdf_load_stackoverflow) * | 1931-11-09 | 1933-02-08 | ||
| US1997507A (en) * | 1932-03-09 | 1935-04-09 | Vladimir C Akintievsky | Process of photo-printing |
| BE407017A (enrdf_load_stackoverflow) * | 1933-12-27 | |||
| GB503092A (en) * | 1937-05-27 | 1939-03-26 | Eastman Kodak Co | Improved process of treating sensitive photographic film |
| US2196110A (en) * | 1937-06-14 | 1940-04-02 | Ig Farbenindustrie Ag | Process of producing sound films |
| NL53832C (enrdf_load_stackoverflow) * | 1937-08-09 | |||
| US2252006A (en) * | 1938-01-08 | 1941-08-12 | Hartford Nat Bank & Trust Co | Sound-picture film and method of printing the same |
| FR853868A (fr) * | 1938-11-19 | 1940-03-30 | Procédé permettant l'obtention de reproduction d'images au moyen de composés diazoïques |
-
0
- NL NL70689D patent/NL70689C/xx active
-
1947
- 1947-01-17 GB GB1599/47A patent/GB678912A/en not_active Expired
- 1947-01-20 CH CH272285D patent/CH272285A/de unknown
- 1947-01-20 FR FR941092D patent/FR941092A/fr not_active Expired
- 1947-01-21 US US723426A patent/US2571670A/en not_active Expired - Lifetime
-
1948
- 1948-11-05 DE DEP20766A patent/DE832543C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR941092A (fr) | 1948-12-31 |
| CH272285A (de) | 1950-12-15 |
| NL70689C (enrdf_load_stackoverflow) | |
| US2571670A (en) | 1951-10-16 |
| GB678912A (en) | 1952-09-10 |
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