US198090A - Improvement in inks for canceling - Google Patents
Improvement in inks for canceling Download PDFInfo
- Publication number
- US198090A US198090A US198090DA US198090A US 198090 A US198090 A US 198090A US 198090D A US198090D A US 198090DA US 198090 A US198090 A US 198090A
- Authority
- US
- United States
- Prior art keywords
- ink
- canceling
- inks
- improvement
- paper
- 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
- 239000000976 ink Substances 0.000 title description 28
- 238000004040 coloring Methods 0.000 description 14
- 239000000463 material Substances 0.000 description 10
- 229940097275 Indigo Drugs 0.000 description 8
- 241001062009 Indigofera Species 0.000 description 8
- 235000000177 Indigofera tinctoria Nutrition 0.000 description 8
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- 229910052740 iodine Inorganic materials 0.000 description 6
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N HCl Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 235000011167 hydrochloric acid Nutrition 0.000 description 4
- 239000004615 ingredient Substances 0.000 description 4
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 4
- 239000011630 iodine Substances 0.000 description 4
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 241000779819 Syncarpia glomulifera Species 0.000 description 2
- 229940036248 Turpentine Drugs 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 239000001739 pinus spp. Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING 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
- C09D11/00—Inks
- C09D11/30—Inkjet printing inks
- C09D11/32—Inkjet printing inks characterised by colouring agents
Definitions
- This invention has for its object to furnish an ink for use in canceling postage and revenue stamps, which ink shall be practically indelible.
- a pigment in a state of mechanical suspension, and applied to the surface of the stamp, is equally removable, since the solution of the suspending material will leave the coloring matter without attachment to the paper, and enable it to be washed or brushed away.
- I compose the ink of two or more coloring matters, one of which shall be practically insoluble, and mechanically bury it in the paper by having an abrading material as an ingredient of the ink.
- the material of the stamp is reduced to pulp; in a word, the reuse of th stamp is rendered impossible.
- printers ink, or other matter containing carbon may be used; and instead of the abrading agents named, powdered flint, or substances of similar nature, may be employed.
- a canceling-ink consisting of two or more coloring materials, one of which is practically insoluble, and an abrading material, substantially as described.
- the ink herein described consisting of iodine, indigo, iron-rust, brick-dust, red and blue aniline, muriatic acid, and alcohol, substantially as set forth.
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Description
UNITED STATES PATENT OFFICE.
CHARLES o. EGERTON, or BALTIMORE, MARYLAND.
I MPROVEMENT IN' INKS FQR CANCELING.
Specification forming part of Letters Patent No. 198,090, dated December 11, 1877; application filed To all whom it may concern:
Be it known that I, O. CALVERT EGERTON, of the city of Baltimore, State of Maryland, have invented certain new and useful Improvements in Canceling-Inks; and I hereby declare the same to be fully, clearly, and exactly described as follows:
This invention has for its object to furnish an ink for use in canceling postage and revenue stamps, which ink shall be practically indelible.
It is obvious that a coloring matter in a state of true solution is wholly inapplicable to this purpose, since excess of the solvent will entirely remove the coloring matter.
A pigment in a state of mechanical suspension, and applied to the surface of the stamp, is equally removable, since the solution of the suspending material will leave the coloring matter without attachment to the paper, and enable it to be washed or brushed away.
A theoretically perfect cancel would consist, then, in the liberation of a practically insoluble coloring matter-such as carbonin the body of the paper of the stampsuch, for instance, as the decomposition of a hydrocarbon turpentine) by chlorine in the paper itself. uch a process, for obvious reasons, is out of the question; but by the use of my ink equivalent results are secured byentirely different.
means.
I compose the ink of two or more coloring matters, one of which shall be practically insoluble, and mechanically bury it in the paper by having an abrading material as an ingredient of the ink. i
To this end I compose my ink of the following ingredients iodine, indigo, red and blue aniline, iron-rust, brickdust, muriatic acid, and alcohol. These are taken, except the last October 29, 1877.
named, in about equal proportions, and mixed with the alcohol, being thoroughly incorporated by grinding, and brought .to the consistency of printers ink, when the composition is ready for use. .It is applied by the usual handstainp, or in any other convenient manner.
Before the cancel-mark so formed can be eradicated the material of the stamp is reduced to pulp; in a word, the reuse of th stamp is rendered impossible.
WVith my ink the aniline furnishes a soluble coloring matter of great intensity, while the practically insoluble indigo is carried into the body of the paper by means of the gritty or abrading materials-viz., the iron-rust and brick-dust. Before the color can be dissolved, which is thereby practically pressed into the stamp-paper, the reagents necessary to effect such solution will inevitable destroy the stamp itself. i
As a substitute for the indigo, printers ink, or other matter containing carbon, may be used; and instead of the abrading agents named, powdered flint, or substances of similar nature, may be employed.
Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is-
1. A canceling-ink consisting of two or more coloring materials, one of which is practically insoluble, and an abrading material, substantially as described.
2. The ink herein described, consisting of iodine, indigo, iron-rust, brick-dust, red and blue aniline, muriatic acid, and alcohol, substantially as set forth.
0. CALVERT EGERTON.
Witnesses:
R. D. WILLIAMS, G. H. PIsrEL.
Publications (1)
Publication Number | Publication Date |
---|---|
US198090A true US198090A (en) | 1877-12-11 |
Family
ID=2267496
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US198090D Expired - Lifetime US198090A (en) | Improvement in inks for canceling |
Country Status (1)
Country | Link |
---|---|
US (1) | US198090A (en) |
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0
- US US198090D patent/US198090A/en not_active Expired - Lifetime
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