US1430484A - Coating composition and process - Google Patents

Coating composition and process Download PDF

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Publication number
US1430484A
US1430484A US572324A US57232422A US1430484A US 1430484 A US1430484 A US 1430484A US 572324 A US572324 A US 572324A US 57232422 A US57232422 A US 57232422A US 1430484 A US1430484 A US 1430484A
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Prior art keywords
coating composition
crystals
parts
mass
light
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US572324A
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Lyndon D Wood
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Priority to US572324A priority Critical patent/US1430484A/en
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    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00Photosensitive materials
    • G03C1/72Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705

Definitions

  • compositions for coating surfaces whereby said surfaces under the'al ction of light are rendered sensitive to electric currents and it has more particular reference 'to a process for making a sensitive compound for use in the reproduction of sound waves which have been photo graphed upon films or plates.
  • the object of this invention is the production of .the nature hereinbefore referred to which when applied to a surface capable of conducting electric currents renders the same usable for the reproduction of soundv waves by the action of waves of light.
  • My composition consists essentially of a. mixtureof:
  • the platinum-barium-cyanideof potassium crystals, tungstate of soda and selenium crystals are thoroughly mixed and brought mass is then subjected to a sudden cooling by being plunged into a. receptacle containing water at a temperature of approximately 4.0 Fahrenheit Application filed m 'i, 1922. Serial No. 512,324.
  • the resultant composition may be applied to any desired surface by reheating it until it is a'gainreduced to a molten condition into which'mass the objector surface to be coated can then be dipped or. immersed until a proper. coating has been applied thereto, when it can .be withdrawn-and allowed to cool and harden.
  • This composite material when applied to any suitable body and exposed to the action of light void of violet rays will affect an electrical, current passing through it in accordance with the variation in intensity and character of the light vibrations received by it and therefore has the facility and property of translating light waves and variations therein into electric pulsations and variations thereof.
  • An element so coated by this material composed and prepared as above described is what may be termed a sensitive to light element by which the reproduction of sound waves preferably photographically recorded on a film. or plate can be accurately accomplished by electric and electro-magnetic co operating means,
  • a sensitive compound for use in the reproduction of sound waves which have been photographically vrecorded comprising '20 parts of platinum-barium cyanide of potassium crystals, '10 parts of tungstate of soda, 70 parts of selenium crystals, 34 parts of salt, 33 parts of sulphur, 33 parts of phosphorus.

Description

PATENT. OFFICE.
UNITED srares- LYNDON D. WOOD, BALL, PENNSYLVANIA.
COATING COMPOSITION AND PROCESS.
80 Drawing.
T all whom it may concern:
Be it known that I, LYNDON D. W000, a citizen of the United States, residing at Bala, in the county of Montgomery and State of Pennsylvania, have inventednew and useful Improvements in Coating Composition and Processes, of which the follow-' in is a specification.
' his, invention relates to compositions for coating surfaces whereby said surfaces under the'al ction of light are rendered sensitive to electric currents and it has more particular reference 'to a process for making a sensitive compound for use in the reproduction of sound waves which have been photo graphed upon films or plates.
The object of this invention is the production of .the nature hereinbefore referred to which when applied to a surface capable of conducting electric currents renders the same usable for the reproduction of soundv waves by the action of waves of light.
My composition consists essentially of a. mixtureof:
. Parts. Platinum-barium-cyanide of potassium.
crystals 20 Tungstate of soda 10 Selenium crystals 7 0 Salt 34: Sulphur 33 Phosphorus 33 Although I have specified the proportions above set forth there can be slight modifications thereof Without lessening the efiiciency and sensitiveness of my composition.
The platinum-barium-cyanideof potassium crystals, tungstate of soda and selenium crystals are thoroughly mixed and brought mass is then subjected to a sudden cooling by being plunged into a. receptacle containing water at a temperature of approximately 4.0 Fahrenheit Application filed m 'i, 1922. Serial No. 512,324.
The resultant compositionmay be applied to any desired surface by reheating it until it is a'gainreduced to a molten condition into which'mass the objector surface to be coated can then be dipped or. immersed until a proper. coating has been applied thereto, when it can .be withdrawn-and allowed to cool and harden.
' This composite material when applied to any suitable body and exposed to the action of light void of violet rays will affect an electrical, current passing through it in accordance with the variation in intensity and character of the light vibrations received by it and therefore has the facility and property of translating light waves and variations therein into electric pulsations and variations thereof. An element so coated by this material composed and prepared as above described is what may be termed a sensitive to light element by which the reproduction of sound waves preferably photographically recorded on a film. or plate can be accurately accomplished by electric and electro-magnetic co operating means,
Having thus'described my invention, what I claim'as new and desire to secure by Letters Patent is:
1. A sensitive compound for use in the reproduction of sound waves which have been photographically vrecorded comprising '20 parts of platinum-barium cyanide of potassium crystals, '10 parts of tungstate of soda, 70 parts of selenium crystals, 34 parts of salt, 33 parts of sulphur, 33 parts of phosphorus.
2. The process of producing a sensitive compound for use in the reproduction of sound waves which have, been photographt cally recorded, consisting in reducing to'a molten mass a mixture of platinum-bariumcyanide of potassium crystals, tungstate of soda and selenium crystals and to this molten mass adding a mixture of salt, sul- .phur and phosphorus and keeping the whole in a molten condition for a continued period of approximately 30 minutes or until a flame color indicating the flame of both barium and potassium rises from the mass and then crystallizing the mass by suddenly immersing it into a receptacle of water at a temper-' ature of approximately 40 Fahrenheit.
In testimony whereof I afiix my signature.
LYNDON D. WOOD.
US572324A 1922-07-01 1922-07-01 Coating composition and process Expired - Lifetime US1430484A (en)

Priority Applications (1)

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US572324A US1430484A (en) 1922-07-01 1922-07-01 Coating composition and process

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US1430484A true US1430484A (en) 1922-09-26

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