US115744A - Improvement in fluids for writing on checks, drafts - Google Patents
Improvement in fluids for writing on checks, drafts Download PDFInfo
- Publication number
- US115744A US115744A US115744DA US115744A US 115744 A US115744 A US 115744A US 115744D A US115744D A US 115744DA US 115744 A US115744 A US 115744A
- Authority
- US
- United States
- Prior art keywords
- writing
- drafts
- checks
- improvement
- fluids
- 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
- 239000012530 fluid Substances 0.000 title 1
- 239000000463 material Substances 0.000 description 8
- 239000003513 alkali Substances 0.000 description 3
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 241000490499 Cardamine Species 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000015320 potassium carbonate Nutrition 0.000 description 1
- 229940098465 tincture Drugs 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- C09D11/40—Ink-sets specially adapted for multi-colour inkjet printing
Definitions
- the object of this invention is to *prevent alteration in checks, drafts, bonds, or other evidences of debt, by means of an ink that removes the color from tinted paper at the portionwritten overfs'o that names, numbers, signatures, or amounts written in this writing material cannot be changed, because the fabric of the paper itself is deprived of its tinting color.
- This writing material is made by dissolving about one pound of carbonate of potash in a gallon of hot water, and then adding about twelve ounces of slaked lime, and boiling and removing any scum, and then allowing the material to cool and the impurities to subside, after which the clear liquid is drawn 011' with a. siphon.
- Coloring matter such as tincture of cardamine, may be employed to tinge this compound and give it the appearance of an ink.
- the alkali of the same penetrates the tinted paper and deprives it of color, especially when the paper is tinted of a rather heavy blue color.
- This material may also be used with a paper tinted green, and the writing appears of a white, or nearly White, color, and is very reliable for any writin g that requires to be of a character that is diflicult to alter.
- I claim as my invention The writing material, prepared as aforesaid, and bottled for use as an ink upon tinted paper, 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 ATENT FICE.
CHARLES L. LAWRENCE, OF NEW YORK, N. Y.
Specification forming part of Letters Patent No. 115,744, dated June 6, 1871.
To all whom it may concern:
Be it known that I, CHARLES L. LAWRENCE, of the city and State of New York, have invented an Improvement in Writing Material for Checks, Drafts, &o., and the following is declared to be a correct description thereof.
The object of this invention is to *prevent alteration in checks, drafts, bonds, or other evidences of debt, by means of an ink that removes the color from tinted paper at the portionwritten overfs'o that names, numbers, signatures, or amounts written in this writing material cannot be changed, because the fabric of the paper itself is deprived of its tinting color. This writing material is made by dissolving about one pound of carbonate of potash in a gallon of hot water, and then adding about twelve ounces of slaked lime, and boiling and removing any scum, and then allowing the material to cool and the impurities to subside, after which the clear liquid is drawn 011' with a. siphon.
Coloring matter, such as tincture of cardamine, may be employed to tinge this compound and give it the appearance of an ink.
When this'material is employed for writing, the alkali of the same penetrates the tinted paper and deprives it of color, especially when the paper is tinted of a rather heavy blue color.
This material may also be used with a paper tinted green, and the writing appears of a white, or nearly White, color, and is very reliable for any writin g that requires to be of a character that is diflicult to alter.
I do not lay claim to a caustic alkali, as I am aware that the same is prepared with lime and an alkali but my invention is a new article of manufacture consisting of a writing material of proper strength for tinted paper, put up in bottles similarly to an ink, and used for the purposes aforesaid.
I claim as my invention The writing material, prepared as aforesaid, and bottled for use as an ink upon tinted paper, as set forth.
Signed by me this 6th day of March, 1871.
CHARLES L. LAWRENCE.
Witnesses:
CHAS. E. SMITH, GEO. l. PINCKNEY.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US115744A true US115744A (en) | 1871-06-06 |
Family
ID=2185203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US115744D Expired - Lifetime US115744A (en) | Improvement in fluids for writing on checks, drafts |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US115744A (en) |
-
0
- US US115744D patent/US115744A/en not_active Expired - Lifetime
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