US491858A - Albert schlumberger - Google Patents
Albert schlumberger Download PDFInfo
- Publication number
- US491858A US491858A US491858DA US491858A US 491858 A US491858 A US 491858A US 491858D A US491858D A US 491858DA US 491858 A US491858 A US 491858A
- Authority
- US
- United States
- Prior art keywords
- paper
- fibers
- albert
- splash
- marks
- 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
- 239000000835 fiber Substances 0.000 description 22
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 18
- 238000000034 method Methods 0.000 description 14
- 229940097275 Indigo Drugs 0.000 description 12
- 241001062009 Indigofera Species 0.000 description 12
- 235000000177 Indigofera tinctoria Nutrition 0.000 description 12
- 150000001875 compounds Chemical class 0.000 description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 238000004061 bleaching Methods 0.000 description 10
- 239000000203 mixture Substances 0.000 description 10
- 229920001131 Pulp (paper) Polymers 0.000 description 8
- 241001149655 Rubia tinctorum Species 0.000 description 8
- 229940037003 alum Drugs 0.000 description 8
- 239000003153 chemical reaction reagent Substances 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- 239000003086 colorant Substances 0.000 description 6
- MUBZPKHOEPUJKR-UHFFFAOYSA-N oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical compound [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 description 4
- KRVSOGSZCMJSLX-UHFFFAOYSA-L Chromic acid Chemical compound O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 238000004043 dyeing Methods 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 4
- 235000011187 glycerol Nutrition 0.000 description 4
- 229920000591 gum Polymers 0.000 description 4
- MOUPNEIJQCETIW-UHFFFAOYSA-N lead chromate Chemical compound [Pb+2].[O-][Cr]([O-])(=O)=O MOUPNEIJQCETIW-UHFFFAOYSA-N 0.000 description 4
- 235000011121 sodium hydroxide Nutrition 0.000 description 4
- BYGOPQKDHGXNCD-UHFFFAOYSA-N tripotassium;iron(3+);hexacyanide Chemical compound [K+].[K+].[K+].[Fe+3].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] BYGOPQKDHGXNCD-UHFFFAOYSA-N 0.000 description 4
- FYGDTMLNYKFZSV-MRCIVHHJSA-N Dextrin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)OC1O[C@@H]1[C@@H](CO)OC(O[C@@H]2[C@H](O[C@H](O)[C@H](O)[C@H]2O)CO)[C@H](O)[C@H]1O FYGDTMLNYKFZSV-MRCIVHHJSA-N 0.000 description 2
- 229920001353 Dextrin Polymers 0.000 description 2
- AFSDNFLWKVMVRB-UHFFFAOYSA-N Ellagic acid Chemical compound OC1=C(O)C(OC2=O)=C3C4=C2C=C(O)C(O)=C4OC(=O)C3=C1 AFSDNFLWKVMVRB-UHFFFAOYSA-N 0.000 description 2
- 239000003518 caustics Substances 0.000 description 2
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 2
- 230000001066 destructive Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000006193 liquid solution Substances 0.000 description 2
- 235000006408 oxalic acid Nutrition 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
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
Definitions
- the present invention relates to a process of producing safety paper, which consists in providing so-called splash paper with marks similar in appearance to water-marks either colored on a white grounder-white upon a colored ground. Papers with marks thus produced are particularly adapted for checks, bank-notes, stock-certificates and bonds.
- splashpaper the fibers producing the splashes having first been dyed preferably with permanent colors.
- pared is printed in an unsized condition with gummed reagents or compounds containing bleaching or color-modifying substances, on those portions where the marks are to appear, whereby the splashings in the paper are so changed as to appear White upon a colored ground.
- the ground alone is printed, the portion whereon the water-mark is to appear being left free, whereby colored marks upon a white ground are obtained.
- the white paper-pulp is intimately mixed, in a hollander or mixing rag-engine, with colored fibers which produce the splashed appearance of the paper.
- These splash-fibers are mor- The paper so predanted and dyed with fast colors, such, for
- indigo as indigo, madder, alizarine and chrome yellow and. the like.
- the splashpaper is then printed with gummed liquid orsemi-liquid solutions containing bleaching or color modifying reagents such as chromic acid or similarly acting destructive substances.
- a gummed compound containing red prussiate of potash and caustic soda and having the following composition: dextrine water, one liter; glycerine, 0.25 liter; red prussiate of potash, one hundred grams; caustic soda (38 Baum), thirty grams.
- a bleaching or color-modifying compound for madder and indigo which acts on both colors, consists in a gum-compound in which alum and citric, or anotherweak acid, are dissolved, and havingthe following composition: dextrine-water, one liter; glycerine, 0.25 liter; citric acid, twenty-five to forty After printing,
- safetypaper In the art of making safetypaper, the process which consists in'dyeingsplash-fibers with indigo, then mixing them with paper pulp and making paper from the resulting mixture and then applying to portions of such paper a substance containing citric acid. and alum, substantially as set forth.
Description
UNITED STATES PATENT OFFICE.
ALBERT SCHLUMBERGER, OF PARIS, FRANCE.
PROCESS OF MAKING SAFETY -P APER.
SPECIFICATION forming part of Letters Patent No. 491,858, dated February 14, 1893. Application filed January 4, 1892. Serial No. 417.034. (Specimens-l Patented in France May 6. 1891. No. 213,285.
To all whom it may concern:
Be it known that I, ALBERT SOHLUMBER- GER, chemist, residing in the city of Paris, France, have invented a new and useful Process of Making Safety-Paper, (for which I have obtained a patent in France, No. 213,285 dated May 6, 1891,) of which the following is a specification.
The present invention relates to a process of producing safety paper, which consists in providing so-called splash paper with marks similar in appearance to water-marks either colored on a white grounder-white upon a colored ground. Papers with marks thus produced are particularly adapted for checks, bank-notes, stock-certificates and bonds.
Under the present invention I first obtain splashpaper,the fibers producing the splashes having first been dyed preferably with permanent colors. pared is printed in an unsized condition with gummed reagents or compounds containing bleaching or color-modifying substances, on those portions where the marks are to appear, whereby the splashings in the paper are so changed as to appear White upon a colored ground. Or, to reverse the operation, the ground alone is printed, the portion whereon the water-mark is to appear being left free, whereby colored marks upon a white ground are obtained. To carry out this process the white paper-pulp is intimately mixed, in a hollander or mixing rag-engine, with colored fibers which produce the splashed appearance of the paper. These splash-fibers are mor- The paper so predanted and dyed with fast colors, such, for
example, as indigo, madder, alizarine and chrome yellow and. the like. The splashpaper is then printed with gummed liquid orsemi-liquid solutions containing bleaching or color modifying reagents such as chromic acid or similarly acting destructive substances. Thus for indigo I employ as a reagent for destroying the color of the splashpaper, a gummed compound containing red prussiate of potash and caustic soda and having the following composition: dextrine water, one liter; glycerine, 0.25 liter; red prussiate of potash, one hundred grams; caustic soda (38 Baum), thirty grams.
grams; alum, thirty grams. the paper is drawn through a very weak solution of chlorinated lime. carefully rinsed This bleaching or color-modifying compound reacts only on indigo, but not on madder; For madder alone acid caustic compounds and chlorinated lime are employed, while chrome yellow (chromate of zinc) is moditied or bleached with oxalic acid.
A bleaching or color-modifying compound for madder and indigo,which acts on both colors, consists in a gum-compound in which alum and citric, or anotherweak acid, are dissolved, and havingthe following composition: dextrine-water, one liter; glycerine, 0.25 liter; citric acid, twenty-five to forty After printing,
manned? The color of the splashes is now destroyed at the printed places, causing them to appear white. v
For obtaining .the marks, printing-forms of the character used in printing wall-papers are employed, by means of which the abovementioned and suitably prepared gummed compound is printed, either on those parts only on which the mark is to appear, or only on the ground, so that the portions for the marks remain unprinted.
Inasmuch as the gum-compounds containing the converting or bleaching or colormodifying chemicals, completely penetrate the unsized paper, thus taking out the color of the splash-fibers at the portions of the paper treated, the same is made more translucent at the said portions, so that the mark in all cases appears in clear relief from 'the ground and becomes plainly visible. The paper thus provided with marks is guided, in the shape of sheets or webs, through machines provided with running cloths of sheeps-wool, so as to remain perfectly smooth and even. At the same time it is rinsed with water. It
is then carried over drying rollers, likewise Finally it is sized be employed, one of the essential features of the invention being that the splash-fibers are dyed with some color which is subsequently modified in some Way in a portion of the paper. 7
WVhat I claim and desire to secure by Letters Patent is:
1. In the art of making safety paper the process Which consists in first dyeing the splash fibers, mixingthem with paper-pulp, making paper from the mixture and finally acting upon the fibers in a portion of thepaper by reagents which modify the dye in the splash-fibers, substantially as set'forth.
2. In the art of making safetypaper, the process which consists in'dyeingsplash-fibers with indigo, then mixing them with paper pulp and making paper from the resulting mixture and then applying to portions of such paper a substance containing citric acid. and alum, substantially as set forth.
In the art of making safety-paper, the process which consists in dyeing splash-fibers with indigo, their mixing them with paperpulp and making paper from the resulting mixture, then applying to a portion of the paper a solution of citric acid and alum to remove the'd'ye from the splash-fibers and finally rinsing the paper, substantially as set forth, 7 i
in testimony whereof I sign this specification in the presence oftwo subscribing Witnesses.
ALBERT SOHLUMBERGER.
Witnesses: 7
Rest. M. HooPER, E. P. MACLEAR.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US491858A true US491858A (en) | 1893-02-14 |
Family
ID=2560704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US491858D Expired - Lifetime US491858A (en) | Albert schlumberger |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US491858A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6019872A (en) * | 1999-01-20 | 2000-02-01 | Westvaco Corporation | Authenticatable bleached chemical paper products |
| US6468393B1 (en) * | 1994-05-07 | 2002-10-22 | Arjo Wiggins Fine Papers Limited | Patterned paper |
-
0
- US US491858D patent/US491858A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6468393B1 (en) * | 1994-05-07 | 2002-10-22 | Arjo Wiggins Fine Papers Limited | Patterned paper |
| US6019872A (en) * | 1999-01-20 | 2000-02-01 | Westvaco Corporation | Authenticatable bleached chemical paper products |
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