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US521177A - Composition of matter - Google Patents

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Publication number
US521177A
US521177A US521177DA US521177A US 521177 A US521177 A US 521177A US 521177D A US521177D A US 521177DA US 521177 A US521177 A US 521177A
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United States
Prior art keywords
composition
matter
pounds
canceling
ink
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Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D11/00Inks
    • C09D11/30Inkjet printing inks
    • C09D11/32Inkjet printing inks characterised by colouring agents

Definitions

  • the object of my invention is to produce a canceling or stamping ink which shall be indelible, and which in ,process of attempted erasure or removal will cause a change in the color of the paper on which the stamp is placed, and thus prevent a re-use ofstamps, documents, &c., which have once been canceled with this ink irrespective of the solvent used in attempting to remove the same.
  • My composition consists of the following ingredients combined in the proportions stated, namely: rosin oil one hundred pounds; lamp black ten pounds; rosin soap five pounds and a coal tar acid, preferably picric acid, five pounds.
  • the canceling inks heretofore used can be readily removed and the papers and documents upon which the cancellation was placed can be reclaimed and re-used.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Detergent Compositions (AREA)

Description

STATES WALLACE M. POPE, OF CINCINNATI, OHIO, ASSIGNOR TO THE AULT & V WIBORG COMPANY, OF OHIO.
COMPOSITION OF MATTER.
SPECIFICATION forming part Of Letters Patent NO. 521,177, dated June 12, 1894.
. Application filed April 7, 1894. Serial No. 506,747. (No specimens.)
T0 at whom it may concern.-
Be it known that I, WALLACE M. POPE, a citizen of the United States, residing at Cincinnati, in the county of Hamilton and State of Ohio, have invented a new and useful Compositionof Matter to be Used for Canceling 0r Stamping Paper and other Like Purposes, of which the following is a specification.
The object of my invention is to produce a canceling or stamping ink which shall be indelible, and which in ,process of attempted erasure or removal will cause a change in the color of the paper on which the stamp is placed, and thus prevent a re-use ofstamps, documents, &c., which have once been canceled with this ink irrespective of the solvent used in attempting to remove the same.
My composition consists of the following ingredients combined in the proportions stated, namely: rosin oil one hundred pounds; lamp black ten pounds; rosin soap five pounds and a coal tar acid, preferably picric acid, five pounds.
In manufacturing the ink I usually add to the above named ingredients five pounds of basic aniline blue. While the basic analine blue adds to the effectiveness of the composition I do not consider it an essential ingredient and do not wish to limit my invention to a composition of matter containing this ingredient.
The canceling inks heretofore used can be readily removed and the papers and documents upon which the cancellation was placed can be reclaimed and re-used.
By the use of my composition an ink is produced for canceling or stamping papers, postage stamps and other similar articles which cannot be erased or removed Without changing the color of the paper upon which such composition is placed.
WALLACE M. POPE.
Witnesses:
ED. J. INLOES, BEN. F. WRIGHT, L. J. OGBORN.
US521177D Composition of matter Expired - Lifetime US521177A (en)

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Publication Number Publication Date
US521177A true US521177A (en) 1894-06-12

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US521177D Expired - Lifetime US521177A (en) Composition of matter

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