US197410A - Improvement in processes of printing photographic pictures - Google Patents
Improvement in processes of printing photographic pictures Download PDFInfo
- Publication number
- US197410A US197410A US197410DA US197410A US 197410 A US197410 A US 197410A US 197410D A US197410D A US 197410DA US 197410 A US197410 A US 197410A
- Authority
- US
- United States
- Prior art keywords
- improvement
- processes
- photographic pictures
- printing photographic
- printing
- 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 6
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 4
- SOCTUWSJJQCPFX-UHFFFAOYSA-N dichromate(2-) Chemical compound [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O SOCTUWSJJQCPFX-UHFFFAOYSA-N 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 230000001235 sensitizing Effects 0.000 description 4
- 231100000202 sensitizing Toxicity 0.000 description 4
- 239000004575 stone Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000001293 FEMA 3089 Substances 0.000 description 2
- 239000001828 Gelatine Substances 0.000 description 2
- 235000019482 Palm oil Nutrition 0.000 description 2
- VXMKYRQZQXVKGB-CWWHNZPOSA-N Tannin Chemical compound O([C@H]1[C@H]([C@@H]2OC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)O[C@H]([C@H]2O)O1)O)C(=O)C1=CC(O)=C(O)C(O)=C1 VXMKYRQZQXVKGB-CWWHNZPOSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 229920000159 gelatin Polymers 0.000 description 2
- 235000019322 gelatine Nutrition 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000004006 olive oil Substances 0.000 description 2
- 235000008390 olive oil Nutrition 0.000 description 2
- 239000002540 palm oil Substances 0.000 description 2
- 239000000344 soap Substances 0.000 description 2
- 235000018553 tannin Nutrition 0.000 description 2
- 229920001864 tannin Polymers 0.000 description 2
- 239000001648 tannin Substances 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/04—Chromates
Definitions
- This invention relates to a process for printing photographic pictures, either direct from the plate or by first transferring them to a lithographic stone, so as to enable a lithographer, with the utmost accuracy, to reproduce v the same thereupon, thus admitting of the smooth photographic zinc plate, which is -af-. terward thoroughly dried and treated with a sensitizing solution, consisting of one ounce bichromate of potassa and fifteen ounces of cold water.
- the said plate is next slowly dried over a heated surface of metal, after which the picture is produced thereupon from a negative, in the usual manner.
- the bichromate of potassa is next all washed out, and ink is applied by means of a soft roller, and
- the ink is stifi' I mix with about three parts thereof, say, one part of palm-oil, and then thin with turpentine or olive-oil, which is added drop by drop, until the proper consistency is obtained. If the ink is too thick it will only take in the deep parts; but if the proper consistency is obtained, it will take to the finest as well as the deepest shades.
Description
InIIIIntuwuauwmwwnwm UNITED STATES PATENT Orron.
ANDREW ROTH, OF NEW ORLEANS, LOUISIANA.
IMPROVEMENT IN PROCESSES 0F PRINTING PHOTOGRAPHIC PICTURES.
Specification forming part of Letters Patent No. 197,410, dated November 20, 1877 application filed September 4, 1877.
To all whom it may concern:
Be it known that I, ANDREW ROTH, a resident of the city of New Orleans, parish of Orleans, and State of Louisiana, have invented a certain new and useful Improvementin Printing Photographic Pictures; and I do hereby declare the following to be a full, clear, and
correct description of the same.
This invention relates to a process for printing photographic pictures, either direct from the plate or by first transferring them to a lithographic stone, so as to enable a lithographer, with the utmost accuracy, to reproduce v the same thereupon, thus admitting of the smooth photographic zinc plate, which is -af-. terward thoroughly dried and treated with a sensitizing solution, consisting of one ounce bichromate of potassa and fifteen ounces of cold water. The said plate is next slowly dried over a heated surface of metal, after which the picture is produced thereupon from a negative, in the usual manner. The bichromate of potassa is next all washed out, and ink is applied by means of a soft roller, and
the printing done in a lithographers press.
If the ink is stifi' I mix with about three parts thereof, say, one part of palm-oil, and then thin with turpentine or olive-oil, which is added drop by drop, until the proper consistency is obtained. If the ink is too thick it will only take in the deep parts; but if the proper consistency is obtained, it will take to the finest as well as the deepest shades.
A certain amount of care must be exercised in the printing from the negative, for if the plate is heavily printed it will take too much ink, while if, on the contrary, the print is but light, the soft shades will not be brought out at all.
The preparations above mentioned should be used fresh, and the plate, when not in use, should be kept in a dark room, particular care being taken not to let any acid reach its surface.
Having described my invention, what I claim as new, and desire to secure by Letters Patent,'is-- The process herein described of printing photographic pictures on paper, stone, or other material, the same consisting in coating the plate before sensitizing with a preparation composed of gelatine, tannin, rosin, alcohol, honey-soap, and water, about in the proportions named, substantially as and for the purpose described.
- In testimony whereof I have hereunto set my hand.
A. ROTH. In presence of A. MnRcAnAL, F. MI UET.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US197410A true US197410A (en) | 1877-11-20 |
Family
ID=2266816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US197410D Expired - Lifetime US197410A (en) | Improvement in processes of printing photographic pictures |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US197410A (en) |
-
0
- US US197410D patent/US197410A/en not_active Expired - Lifetime
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