US1945772A - Process of preparing colored photographic pictures - Google Patents
Process of preparing colored photographic pictures Download PDFInfo
- Publication number
- US1945772A US1945772A US543750A US54375031A US1945772A US 1945772 A US1945772 A US 1945772A US 543750 A US543750 A US 543750A US 54375031 A US54375031 A US 54375031A US 1945772 A US1945772 A US 1945772A
- Authority
- US
- United States
- Prior art keywords
- image
- support
- coat
- silver
- salt
- 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 - Lifetime
Links
- 238000000034 method Methods 0.000 title description 28
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 28
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 23
- 229910052709 silver Inorganic materials 0.000 description 23
- 239000004332 silver Substances 0.000 description 23
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 18
- 238000004043 dyeing Methods 0.000 description 15
- 229910052742 iron Inorganic materials 0.000 description 14
- 150000003839 salts Chemical class 0.000 description 14
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 11
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 11
- YAGKRVSRTSUGEY-UHFFFAOYSA-N ferricyanide Chemical compound [Fe+3].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] YAGKRVSRTSUGEY-UHFFFAOYSA-N 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 7
- 239000003086 colorant Substances 0.000 description 7
- 239000000839 emulsion Substances 0.000 description 7
- 239000000975 dye Substances 0.000 description 6
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 238000004040 coloring Methods 0.000 description 5
- 238000007654 immersion Methods 0.000 description 5
- 150000002505 iron Chemical class 0.000 description 5
- -1 potassium ferricyanide Chemical compound 0.000 description 4
- 230000001376 precipitating effect Effects 0.000 description 4
- 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 description 4
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- 239000001828 Gelatine Substances 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 229960002089 ferrous chloride Drugs 0.000 description 2
- 229920000159 gelatin Polymers 0.000 description 2
- 235000019322 gelatine Nutrition 0.000 description 2
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 2
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 description 2
- 235000006408 oxalic acid Nutrition 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- AXDJCCTWPBKUKL-UHFFFAOYSA-N 4-[(4-aminophenyl)-(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]aniline;hydron;chloride Chemical compound Cl.C1=CC(=N)C(C)=CC1=C(C=1C=CC(N)=CC=1)C1=CC=C(N)C=C1 AXDJCCTWPBKUKL-UHFFFAOYSA-N 0.000 description 1
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- JPIYZTWMUGTEHX-UHFFFAOYSA-N auramine O free base Chemical compound C1=CC(N(C)C)=CC=C1C(=N)C1=CC=C(N(C)C)C=C1 JPIYZTWMUGTEHX-UHFFFAOYSA-N 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- YWBREQLMDUVNIR-UHFFFAOYSA-N iron(2+);hexacyanide Chemical compound [Fe+2].[Fe+2].[Fe+2].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] YWBREQLMDUVNIR-UHFFFAOYSA-N 0.000 description 1
- DCYOBGZUOMKFPA-UHFFFAOYSA-N iron(2+);iron(3+);octadecacyanide Chemical compound [Fe+2].[Fe+2].[Fe+2].[Fe+3].[Fe+3].[Fe+3].[Fe+3].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] DCYOBGZUOMKFPA-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229960003351 prussian blue Drugs 0.000 description 1
- 239000013225 prussian blue Substances 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229940095064 tartrate Drugs 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-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
- G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
- G03C7/46—Subtractive processes not covered by the group G03C7/26; Materials therefor; Preparing or processing such materials
Definitions
- This invention relates to the preparation of colored photographic and cinematographic positives byv the superimposition of several photographic images of difierent colors upon one sup- 5 port.
- the present invention comprises a process for preparing photographic and cinematographic positives, bearing two superimposed images of difierent colors upon one same face, by the successive exposures to light, under two comple- .mentary negatives prepared in any suitable man-' ner, of any film, plate or sensitized paper known to the trade, without any fresh application of emulsion between the two exposures.
- This process is likewise suited to the preparation of colored cinematographic sound-films.
- such process consists in producing in one same sensitized coat a silver salt image and, after resensitizing by means of another metallic salt, another image whichi's developed by the precipitation of a cplored salt of said metal and through which the first image is subsequently dyed in another color.
- the second image is preferably: produced by means of a salt adapted to render the silver salt of the first image capable of being mordanted previous to dyeing.
- the double cyanide used to develop the second image may be a ferrocyanide or a ferricyanide, according whether such image was printed from a positive or from a negative film.
- the image developed in blue is insensitive both to the substance, iodide of potassium for example, used to mordant the silver salt of the first image, and to the aniline colorings used to dye the first image.
- a third image of a different color may be superimposed, for example by the mechanical printing of coloring matter, as by the transferring or by the stencilling process, for example.
- This film is then immersed, without being toned, ina solution of ferric chloride and oxalic acid, in order to saturate with said solution the gelatine coat bearing the image.
- ferric chloride likewise acts upon the reduced silver of the first image and converts it to a condition suitable forsubsequent mordanting, previous to dyeing.
- Such further treatment consists in washing the film and immersing the same in a solution oi.- iodide of potassium to mordant'the silver of the first image, i. e. to prepare it to take and to retain a suitable aniline dye.
- This image then is dyed through the second image, merely by passing the film thus prepared through a bath of aniline dye, of orange-red color for example,
- photographic positive is intended to. cover cinematographic as well as photographic positives, and it also should be understood that the performance of my inproved process may be varied without departing from the scope of my invention as defined in said claims, whatever be the nature of graphic positive, forming a silver image in a sensitized material, resensitizing said material with a solution of a salt of iron and oxalic acid adapted to .promote subsequent mordanting of the silver in said image, forming a second image in said material, developing said second image in Jone color by precipitating a colored salt of colored salt of iron, and then dyeing the first image in another color through the previously colored second image.
Landscapes
- 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 |
|---|---|---|---|
| BE377411X | 1930-07-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US1945772A true US1945772A (en) | 1934-02-06 |
Family
ID=3868660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US543750A Expired - Lifetime US1945772A (en) | 1930-07-16 | 1931-06-11 | Process of preparing colored photographic pictures |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1945772A (de) |
| BE (2) | BE415614A (de) |
| FR (1) | FR706086A (de) |
| GB (1) | GB377411A (de) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2587841A (en) * | 1947-10-06 | 1952-03-04 | Cinecolor Corp | Photographic toning and resensitizing process |
| US2886435A (en) * | 1953-08-21 | 1959-05-12 | Panacolor Inc | Photographic iron-silver color process |
| US4568633A (en) * | 1985-01-02 | 1986-02-04 | Eastman Kodak Company | Photographic elements and processes utilizing imagewise reduction of ferric ions |
-
0
- BE BE372003D patent/BE372003A/xx unknown
- BE BE415614D patent/BE415614A/xx unknown
-
1930
- 1930-11-20 FR FR706086D patent/FR706086A/fr not_active Expired
-
1931
- 1931-06-11 US US543750A patent/US1945772A/en not_active Expired - Lifetime
- 1931-07-11 GB GB19999/31A patent/GB377411A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2587841A (en) * | 1947-10-06 | 1952-03-04 | Cinecolor Corp | Photographic toning and resensitizing process |
| US2886435A (en) * | 1953-08-21 | 1959-05-12 | Panacolor Inc | Photographic iron-silver color process |
| US4568633A (en) * | 1985-01-02 | 1986-02-04 | Eastman Kodak Company | Photographic elements and processes utilizing imagewise reduction of ferric ions |
Also Published As
| Publication number | Publication date |
|---|---|
| GB377411A (en) | 1932-07-28 |
| FR706086A (fr) | 1931-06-18 |
| BE372003A (de) | |
| BE415614A (de) |
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