US2229137A - Production of color photographs - Google Patents
Production of color photographs Download PDFInfo
- Publication number
- US2229137A US2229137A US148731A US14873137A US2229137A US 2229137 A US2229137 A US 2229137A US 148731 A US148731 A US 148731A US 14873137 A US14873137 A US 14873137A US 2229137 A US2229137 A US 2229137A
- Authority
- US
- United States
- Prior art keywords
- images
- silver
- grams
- color
- forming
- 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
- 229910052709 silver Inorganic materials 0.000 description 20
- 239000004332 silver Substances 0.000 description 20
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 13
- 239000000463 material Substances 0.000 description 10
- 239000000839 emulsion Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- -1 silver halide Chemical class 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000004061 bleaching Methods 0.000 description 7
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 4
- IOLCXVTUBQKXJR-UHFFFAOYSA-M potassium bromide Chemical compound [K+].[Br-] IOLCXVTUBQKXJR-UHFFFAOYSA-M 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- VPMMJSPGZSFEAH-UHFFFAOYSA-N 2,4-diaminophenol;hydrochloride Chemical compound [Cl-].NC1=CC=C(O)C([NH3+])=C1 VPMMJSPGZSFEAH-UHFFFAOYSA-N 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 230000001131 transforming effect Effects 0.000 description 3
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000000975 dye Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- 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 2
- HPHBOJANXDKUQD-UHFFFAOYSA-N 2-cyanoacetohydrazide Chemical compound NNC(=O)CC#N HPHBOJANXDKUQD-UHFFFAOYSA-N 0.000 description 1
- 241001479434 Agfa Species 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 1
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 125000001038 naphthoyl group Chemical group C1(=CC=CC2=CC=CC=C12)C(=O)* 0.000 description 1
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 150000003378 silver Chemical class 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 1
- 235000019345 sodium thiosulphate Nutrition 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
- G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
Definitions
- the present invention relates to color photoing a support, a silver halide gelatin emulsion p sz layer sensitized to red and containing the sodi-
- One of its objects is to provide an improved um salt of -1-N-stearoyl-4-N-(1'-hydroxy-2- process of producing multi-color photographs.
- naphthoyl)-phenylenediaminesulfonic acid as a 5 Further objects will be seen from the detailed dyestufi component, a second emulsion layer sen- 6 specification following hereafter.
- This invention relates toa novel chromogenic T P is treated for minutes m a developing Process which differs from those that composltlon O Of Water- 5 a of are known as .f 11 chromicanhydride and 30 grams of sodium sul- The material is developed after the exposure fite or in a of 1000 of water 25 in the existing developing ma hi any 4 grams of potassium bichromate and 25 cc.
- 40 rial is now subjected in daylight tore-sensitiz- Y a 40 mg, and then the silver component pictures 1 Second bleaching chromic amd .changed into exposed silver salts are developed .
- the material is treated for 3 minutes in a to color pictures containing silver, from which composition of 1000 cc. of water, 5 .grams of pictures the silver may be removed in known chromic anhydride and 50 grams of sodium ch10 5 manner, for instance by the farmers reducer. ride or in a solution of 1000 cc. of water, 4 grams
- This process of developing requires merely the of potassium bichro nate, 25 cc. of hydrochloric installation of a simple additional apparatus reacid of 10 per cent strength and 20 grams of quiring but little manipulation. The finishing sodium chloride and then washed for 10 minof the black and white positive affords an op utes.
- Secondve-exposure 50 anycorrections which may be necessary, these being made before the final 'colordevelopment.
- a [Color development The following example serves to illustrate the After a treatment for 10 minutes in a bath invention: 4 containing 1000 cc. of water, 0.5 gram of sodium A photographic multi-layer material comprissulfite $100., 2.5 grams of p-diethyl-amino-ani- 55 gramswf sodium carbonate the material is washed for" 25 minutes.
- Fixin The bath is made by dissolving 300 grams of sodium thiosulfate in 1000 cc. of water.
- a process of producing multi-color photo- Q graphs which comprises producing a multi-layer photographic material having incorporated in the several silver halide emulsion layersdyestufl com-" ponents capable of forming dyestufls with a developer adapted for color development, said dye- 'stufl component although soluble in aqueous liquids being per se incapable oi difiusing with respect to the binding agent of the emulsion layer, forming positive silver component images in said layers by a reversal process with processing solutions WhiChfiJB incapable of forming dyestufis with said dyestufi components, bleaching said silver images to silver salt imagesrendering said silversalt images developable, transforming said images intosilver and color component images in a developer capable of forming dyestuffs with said dyestufl components, and removing the developed silver from said photographic material.
- a process of producing multi-color photographs which comprises producing a multi-layer film having incorporated in the several silver 'halide'emulsion layers dyestui! components capable of torming dyestufls with a developer adapted for color development, said dyestufl components being last to diffusion with respect to the binding agent of the emulsion layer, forming latent images, developing said images in a developer not capable 01 forming dyestuil's with said dyestufl components, dissolving the silver from the negative by treatment in a bleaching bath, iorming latent images ,in the remaining silver halide, developing said images in a developer corresponding to the first development step, forming silver halide images by treatment in a bleaching bath, forming latent images, transforming said'images into silver and color images in a developer capable of forming dyestufis with said dyestuil components, and removing the developed silver from said film?
- A. process of producing multi-color photographs which comprises producing a multi-layer film having incorporated in the several silver halide emulsion layers dyestufl components capable of forming dyestuffs with a developer adapted for color development, said dyestuilf components being fast to diffusion with respect to the binding agent of the emulsion layer, forming latent images, developing said images in a developer not capable of forming dyestufls with said dyestufi components, dissolving the silver from the negative by treatment in ableaching bath,
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 |
|---|---|---|---|
| DEI0055360 | 1936-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US2229137A true US2229137A (en) | 1941-01-21 |
Family
ID=7194104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US148731A Expired - Lifetime US2229137A (en) | 1936-06-26 | 1937-06-17 | Production of color photographs |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2229137A (enrdf_load_stackoverflow) |
| BE (1) | BE422216A (enrdf_load_stackoverflow) |
| FR (1) | FR823600A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4345023A (en) * | 1978-09-18 | 1982-08-17 | The Academy Of Applied Science, Inc. | Process for increasing the effective speed of photographic films and improved film structures |
-
0
- BE BE422216D patent/BE422216A/xx unknown
-
1937
- 1937-06-17 US US148731A patent/US2229137A/en not_active Expired - Lifetime
- 1937-06-25 FR FR823600D patent/FR823600A/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4345023A (en) * | 1978-09-18 | 1982-08-17 | The Academy Of Applied Science, Inc. | Process for increasing the effective speed of photographic films and improved film structures |
Also Published As
| Publication number | Publication date |
|---|---|
| BE422216A (enrdf_load_stackoverflow) | |
| FR823600A (fr) | 1938-01-22 |
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