US439533A - mandel - Google Patents

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Publication number
US439533A
US439533A US439533DA US439533A US 439533 A US439533 A US 439533A US 439533D A US439533D A US 439533DA US 439533 A US439533 A US 439533A
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celluloid
picture
solution
grams
paper
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    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03FPHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F1/00Originals for photomechanical production of textured or patterned surfaces, e.g., masks, photo-masks, reticles; Mask blanks or pellicles therefor; Containers specially adapted therefor; Preparation thereof
    • G03F1/54Absorbers, e.g. of opaque materials
    • G03F1/56Organic absorbers, e.g. of photo-resists

Definitions

  • This invention relates to an improved process of printing photographic pictures on celluloid or other pyroxyline material and retaining them securely on the surface of the celluloid without deterioration by dampness or other causes.
  • the photographic pictures when once fixed on the celluloid surface are permanent in color and do not fade.
  • the invention consists of aprocess of photographic printing on celluloid by first preparing the surface of the celluloid with a solution of gelatine, chrome-alum, water, and acetic acid, then transferring the picture from a tinted and sensitized paper, after the same has been exposed to the light in the negative, to the surface of the celluloid; next developing the picture on the surface of the celluloid, and, finally, hardening it by suitable chromealum solution and protecting the picture by a layer of suitable varnish.
  • the invention also consists of other fea- 0 tures, which are hereinafter described, and
  • the surface of the celluloid is prepared with a solution of thirty grams of gelatine, one thousand grams 3 5 of water, to which a solution of one and onehalf gram of chrome-alum in one hundred and sixty grams of water is added, the solution being acidulated by adding twenty grams of acetic acid.
  • the paper on which the photographic picture is to be produced is prepared in the following manner: It is coated with a solution of four hundred grams of water, from one hundred to one hundred and thirty grams 5 of gelatine, fifteen to twenty grams of soap, twenty to thirty grams of sugar, and four to nine grams of a suitable color, the proportion of the ingredients being varied according to temperature. After the paper is dried the same is sensitized by a solution of thirty grams of bichromate of ammonia in one thousand grams of water and a few drops of ammonia solution until the same gradually assumes a straw color. The paper is then dried in adark room. After drying it is exposed on the negative to the action of light, requiring in the shade about five to eight minutes and in the sun from two to three minutes.
  • the paper After exposure the paper is placed on the celluloid surface, moistened with ice-cold water, and then pressed with a rubber rule. The celluloid and paper are then subjected to pressure for about ten minutes, after which they are placed in warm water, so that the paper can be removed. The picture is then placed in'a bath of cold water and then dried. The last chrome-alum solution serves to iix the picture, while the treatment with warm water serves to develop the same by removing the u nlighted and soluble parts of the gelatine. The picture is then coated with a gelatine solution, the same gelatine solution by which the surface of the celluloid has been first coated.
  • the picture is then hung up for drying, covered with a coating of a suitable varnish-for instance, of 001- lodion, consisting of equal parts of ether and alcohol, in which a small quantity of gun-cotton has been dissolved.
  • a suitable varnish-for instance of 001- lodion, consisting of equal parts of ether and alcohol, in which a small quantity of gun-cotton has been dissolved.
  • Such a varnish unites with the surface of the celluloid and forms a good protecting-layer for the picture, so that the same cannot peel off or fade.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)

Description

UNITED STATES PATENT OFFICE.
PHILIP II. MANDEL, OF ASTQRIA, ASSIGNOR, BY MESNE ASSIGNMENTS, TO THE PYROPIIOTO COMPANY, OF NEV YORK, N. Y.
METHOD OF PRINTING PICTURES ON CELLULOID.
SPECIFICATION forming part of Letters Patent No. 439,533, dated October 28, 1890.
Application filed June 1, 1889- Serial No. 312,875. (No specimens.)
T aZZ whom, it may concern.-
Be it known that I, PHILIP H. MANDEL, of Astoria, in the county of Queens and State of New York, a subject of thelgingpf Sweden,
have invented certain new and useful Improvements in the Process of Printing Photographic Pictures on Celluloid, of which the following is a specification.
This invention relates to an improved process of printing photographic pictures on celluloid or other pyroxyline material and retaining them securely on the surface of the celluloid without deterioration by dampness or other causes. The photographic pictures when once fixed on the celluloid surface are permanent in color and do not fade.
The invention consists of aprocess of photographic printing on celluloid by first preparing the surface of the celluloid with a solution of gelatine, chrome-alum, water, and acetic acid, then transferring the picture from a tinted and sensitized paper, after the same has been exposed to the light in the negative, to the surface of the celluloid; next developing the picture on the surface of the celluloid, and, finally, hardening it by suitable chromealum solution and protecting the picture by a layer of suitable varnish.
The invention also consists of other fea- 0 tures, which are hereinafter described, and
specified in the claims.
In carrying out my invention the surface of the celluloid is prepared with a solution of thirty grams of gelatine, one thousand grams 3 5 of water, to which a solution of one and onehalf gram of chrome-alum in one hundred and sixty grams of water is added, the solution being acidulated by adding twenty grams of acetic acid.
The paper on which the photographic picture is to be produced is prepared in the following manner: It is coated with a solution of four hundred grams of water, from one hundred to one hundred and thirty grams 5 of gelatine, fifteen to twenty grams of soap, twenty to thirty grams of sugar, and four to nine grams of a suitable color, the proportion of the ingredients being varied according to temperature. After the paper is dried the same is sensitized by a solution of thirty grams of bichromate of ammonia in one thousand grams of water and a few drops of ammonia solution until the same gradually assumes a straw color. The paper is then dried in adark room. After drying it is exposed on the negative to the action of light, requiring in the shade about five to eight minutes and in the sun from two to three minutes. After exposure the paper is placed on the celluloid surface, moistened with ice-cold water, and then pressed with a rubber rule. The celluloid and paper are then subjected to pressure for about ten minutes, after which they are placed in warm water, so that the paper can be removed. The picture is then placed in'a bath of cold water and then dried. The last chrome-alum solution serves to iix the picture, while the treatment with warm water serves to develop the same by removing the u nlighted and soluble parts of the gelatine. The picture is then coated with a gelatine solution, the same gelatine solution by which the surface of the celluloid has been first coated. The picture is then hung up for drying, covered with a coating of a suitable varnish-for instance, of 001- lodion, consisting of equal parts of ether and alcohol, in which a small quantity of gun-cotton has been dissolved. Such a varnish unites with the surface of the celluloid and forms a good protecting-layer for the picture, so that the same cannot peel off or fade.
Having thus described my invention, I claim as new and desire to secure by Letters Patent- 1. The process herein described of photographing pictures on celluloid, which consists in treating the surface of the celluloid with an acidulated gelatine and chrome-alum solution, then transferring the picture from a tinted and sensitized and exposed photo- 9:) graphic paper upon the prepared surface of the celluloid, next pressing on the picture and removing the paper, then developing and fiX- ing the picture on the surface of the celluloid, and protecting the picture by a layer of suit- 5 able varnish, substantially as set forth.
2. The process of producing and securing In testimony that I claim the foregoing as 10 photographic pictures on celluloid, which con my invention I have signed my name in pressists in transferring a, sensitized and exposed ence of two subscribing Witnesses. but undeveloped photographic film onto a sn 1*- 5 face of celluloid, coated With an insoluble PHILIP H. MANDEL.
cement of acidulated gelatine and chromealum solution, and subsequently developing Witnesses: and fixing the same, substantially as (16- PAUL GOEPEL, scribed. MARTIN PE'IRY
US439533D mandel Expired - Lifetime US439533A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2555266A (en) * 1945-07-10 1951-05-29 Champion Paper & Fibre Co Method of printing and coating paper

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2555266A (en) * 1945-07-10 1951-05-29 Champion Paper & Fibre Co Method of printing and coating paper

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