US227559A - Safety-paper and method of preparing the same - Google Patents
Safety-paper and method of preparing the same Download PDFInfo
- Publication number
- US227559A US227559A US227559DA US227559A US 227559 A US227559 A US 227559A US 227559D A US227559D A US 227559DA US 227559 A US227559 A US 227559A
- Authority
- US
- United States
- Prior art keywords
- paper
- preparing
- safety
- same
- parchment
- 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
- RTZKZFJDLAIYFH-UHFFFAOYSA-N diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 12
- VXMKYRQZQXVKGB-CWWHNZPOSA-N Tannin Chemical compound O([C@H]1[C@H]([C@@H]2OC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)O[C@H]([C@H]2O)O1)O)C(=O)C1=CC(O)=C(O)C(O)=C1 VXMKYRQZQXVKGB-CWWHNZPOSA-N 0.000 description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 10
- 235000018553 tannin Nutrition 0.000 description 10
- 229920001864 tannin Polymers 0.000 description 10
- 239000001648 tannin Substances 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002253 acid Substances 0.000 description 2
- 230000001476 alcoholic Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000009877 rendering Methods 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 238000000772 tip-enhanced Raman spectroscopy Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
Images
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/40—Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper
- D21H21/44—Latent security elements, i.e. detectable or becoming apparent only by use of special verification or tampering devices or methods
- D21H21/46—Elements suited for chemical verification or impeding chemical tampering, e.g. by use of eradicators
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S8/00—Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers
- Y10S8/916—Natural fiber dyeing
- Y10S8/919—Paper
Definitions
- This invention relates to an improved safetypaper, and to the method of preparing paper, parchment, and other material to be written upon so that when written or printed upon the said writing or printing cannot be removed or taken out withoutdestroying the paper.
- the invention consists in a paper or parchment coated or impregnated with a solution of tannin dissolved in alcohol or ether; also, in the herein-described method of rendering writing or printing on paper or parchment indelible, it consisting in subjecting the same to the action of a solution of alcohol and tannin.
- This solution is applied to any usual writing-paper or material, such'as parchment, and upon one or both sides, by means of a brush or in any other suitable manner, and assimilates and combines with the paper, and in a measure tans it, changing its structure, so that subsequent washing or soaking or the application of alkalies will not restore the paper or parchment to its original condition and obliterate the ink.
Landscapes
- Inks, Pencil-Leads, Or Crayons (AREA)
Description
z. PORTIER & 0. H. W'YMAN,
J. H. MGMAHON, administrator of Z. FORTIER, deed.
SafetyPaperand MGt'hOdf'Of Preparing the Same.
No. 227,559. Patented May 11. I880.
QX/X/CMAM, v c Wb.9/a mwm M li'vwazw.
w wmm M N. PE-TERS, PHDTOLITHOGRAPHER. WASHINGTON. D C
' UNITED STATES PATENT OFFICE.
.JAMES H. MOMAHON, (ADMINISTRATOR OF ZEPHIRIN FORTIER,) AND CHARLES H. WYMAN, OF FITOHBURG, MASSACHUSETTS.
SAFETYrPAPER AND METHOD OF PREPARING THE SAM-E.
SPECIFICATION forming part of Letters Patent No. 227,559, dated May 11, 1880.
Application filed November 29, 1879.
To all whom it may concern:
Be it known that ZEPHIRIN FORTIER, deceased, formerly of Fitchburg, county of Worcester, and State of Massachusetts, (but a citizen of Canada,) and CHAS. H. WYMAN, of said Fitchburg, Worcester county, Massachusetts, did invent an Improvement in Safety-Paper and Method of Preparing the Same, of which the following is a full, clear, and exact description.
This invention relates to an improved safetypaper, and to the method of preparing paper, parchment, and other material to be written upon so that when written or printed upon the said writing or printing cannot be removed or taken out withoutdestroying the paper.
The invention consists in a paper or parchment coated or impregnated with a solution of tannin dissolved in alcohol or ether; also, in the herein-described method of rendering writing or printing on paper or parchment indelible, it consisting in subjecting the same to the action of a solution of alcohol and tannin.
In the drawing, a represents a piece of our improved safety-paper.
In the practice of this invention it has been demonstrated by numerous experiments that the solution for treating the paper can be best produced by dissolving one pound of tannin in about one gallon of alcohol; but it is possible to use ether instead of alcohol, but not to so good an efiect, because of its great volatility.
This solution is applied to any usual writing-paper or material, such'as parchment, and upon one or both sides, by means of a brush or in any other suitable manner, and assimilates and combines with the paper, and in a measure tans it, changing its structure, so that subsequent washing or soaking or the application of alkalies will not restore the paper or parchment to its original condition and obliterate the ink.
0n ink being applied to paper or parchment so prepared it is quickly absorbed, and the iron or other mineral matter in the ink precipitates, and entering into the paper forms a tannite of iron or other metal tannite, which at once becomes indelible, and cannot be removed except by destroying the paper.
Ink or printing on paper so prepared will not fade by exposure to light or by age, and cannot be removed by any known acid or solution which will not also destroy the paper.
What is claimed is- 1, As an improved article of manufacture, a safety-paper treated with a solution of tannin dissolved in alcohol or ether, substantially as described.
2. That improvement in the method of making written documents on paper or parchment indelible which consists in subjecting the paper to an alcoholic solution of tannin with which the ink combines, substantially as described.
In testimony whereof we have signed our names to this specification in the presence of 'two subscribing witnesses.
JAMES H. MOMAHON, Administrator of the estate of Zephtrtn Fortier.
CHAS. H. WYMAN. Witnesses to the signature of James H. McMahon:
HENRY A. WILLIS, F. A. CURRIER. Witnesses to the signature of Chas. H. Wy
man:
G. W. GREGORY, N. E WHITNEY.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US227559A true US227559A (en) | 1880-05-11 |
Family
ID=2296942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US227559D Expired - Lifetime US227559A (en) | Safety-paper and method of preparing the same |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US227559A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4942706A (en) * | 1989-11-13 | 1990-07-24 | Todd Wayne A | Housing structure |
| US5123999A (en) * | 1989-08-07 | 1992-06-23 | Aussedat-Rey | Forgery-proof security paper and aqueous or organic composition especially useful for rendering paper forgery-proof |
-
0
- US US227559D patent/US227559A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5123999A (en) * | 1989-08-07 | 1992-06-23 | Aussedat-Rey | Forgery-proof security paper and aqueous or organic composition especially useful for rendering paper forgery-proof |
| US4942706A (en) * | 1989-11-13 | 1990-07-24 | Todd Wayne A | Housing structure |
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