US871612A - Sterilizing-tablet. - Google Patents

Sterilizing-tablet. Download PDF

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Publication number
US871612A
US871612A US18756404A US1904187564A US871612A US 871612 A US871612 A US 871612A US 18756404 A US18756404 A US 18756404A US 1904187564 A US1904187564 A US 1904187564A US 871612 A US871612 A US 871612A
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United States
Prior art keywords
tablet
sterilizing
layer
chlorin
water
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Expired - Lifetime
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US18756404A
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Vincent Blumhardt Nesfield
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/34—Shaped forms, e.g. sheets, not provided for in any other sub-group of this main group

Definitions

  • This invention consists of a tablet for the sterilization of water and other liquids, and of aliinentary substances, to render the same potable or edible.
  • the active agent in this sterilization is nascent chlorin which is set free as the tablet dissolves, and is afterwards neutralized by the action of the material contained in the center of the tablet.
  • the core of this tablet is 'composed of sodium sulfite around which is placed a layer of gelatin.
  • a readily soluble coating such as sugar.
  • a sterilizing tablet composed of an outer protective coating, a laver of two substances, Which, when dissolved, will react upon each other and evolve chlorin, a core, containing a neutralizing agent for said chlorin, and a soluble layer separating the two last naine-d con'iponents, substantiallyY as described.
  • a sterilizing tablet composed of an outer coating of sugar, a layer of bleaching powder and tartaric acid, a layer of gelatin inside of said first named layer, and a core ol' sodium sullite, substantially as described.

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  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Agronomy & Crop Science (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Toxicology (AREA)
  • Medicinal Preparation (AREA)

Description

110,871,612. Y PATENTED 110V. 19, 1907.
v. B1. NESPIBLD.
STERILIZING TABLET.
APPLIOATION FILED 1111.2. 1904.
3mm/who@ UNITE il' STATES ATENT STERILIZING-TAB LET.
Specification of Letters Patent.
Patented Nov. 19, 1907.
Application filed January 2| 1904. Serial No. 187.564.
To all whom it may concern:
Be it known that I, ViNcENT BLUMHARDT NEsFiELD, physician and surgeon, lieutenant Indian Medical Service, a subject of the King of Great Britain, residing at 2 Madeley road,7 Ealing, in the county of London, England, have invented certain new and useful Iniprovements in Sterilizing-Tablets, of which the following is a specification.
This invention consists of a tablet for the sterilization of water and other liquids, and of aliinentary substances, to render the same potable or edible.
It has been designed particularly for the sterilization of contaminated Water, quickly, eliciently and without filtration, although it in ay be used in conjunction with filtration if desired. The active agent in this sterilization is nascent chlorin which is set free as the tablet dissolves, and is afterwards neutralized by the action of the material contained in the center of the tablet.
In the accompanying drawing the figure represents in cross section one of my iinproved tablets.
The core of this tablet is 'composed of sodium sulfite around which is placed a layer of gelatin. Around the gelatin layer is located a layer composed of bleachingpowder and tartaric acid powder mixed together and the whole is inclosed in a readily soluble coating, such as sugar. When this tablet is placed in bleaching the Water the sugar coating readily dissolves, and then the tartaric acid acts upon the powder, setting free nascent chlorin, which sterilizes the water. As the tablet still further dissolves the layer of gelatin gradually disappears, and when the sodium suliite is dissolved it neutralizes whatever chlorin there may be in the water or other substance treated, forming common salt.
Having thus described my invention wh at I claim as new andv desire to secure by Letters Patent of the United Statesis I. A sterilizing tablet composed of an outer protective coating, a laver of two substances, Which, when dissolved, will react upon each other and evolve chlorin, a core, containing a neutralizing agent for said chlorin, and a soluble layer separating the two last naine-d con'iponents, substantiallyY as described.
2. A sterilizing tablet composed of an outer coating of sugar, a layer of bleaching powder and tartaric acid, a layer of gelatin inside of said first named layer, and a core ol' sodium sullite, substantially as described.
In witness whereof I have hereunto set my' hand in presence of two Witnesses.
. VINCENT libliillllARll'l NllSFlllbl).
Witnesses:
HENRY Bmirnneir, I-I. D. JAMESON.
US18756404A 1904-01-02 1904-01-02 Sterilizing-tablet. Expired - Lifetime US871612A (en)

Priority Applications (1)

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US18756404A US871612A (en) 1904-01-02 1904-01-02 Sterilizing-tablet.

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US18756404A US871612A (en) 1904-01-02 1904-01-02 Sterilizing-tablet.

Publications (1)

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US871612A true US871612A (en) 1907-11-19

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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2451022A (en) * 1944-02-28 1948-10-12 Frederick C Dohrmann Color changing antiseptic composition
US2992186A (en) * 1955-10-03 1961-07-11 Henkel Helios Ab Detergent compositions
US3042621A (en) * 1957-11-01 1962-07-03 Colgate Palmolive Co Detergent composition
US3042622A (en) * 1957-11-01 1962-07-03 Colgate Palmolive Co Abrasive cleaning composition
US3154494A (en) * 1961-08-07 1964-10-27 United States Borax Chem Fabric laundry compositions
US3179600A (en) * 1960-03-10 1965-04-20 Ncr Co Minute color-forming capsules and record material provided with such
US3260674A (en) * 1962-10-18 1966-07-12 Edward J Ross Tableted composition for oxygen release
US3276949A (en) * 1963-05-07 1966-10-04 Olin Mathieson Tablets comprising calcium hypochlorite and sodium sulfate and method of preparation
US4020005A (en) * 1975-02-24 1977-04-26 Lang John L Gelled reagent materials
US4569780A (en) * 1978-02-07 1986-02-11 Economics Laboratory, Inc. Cast detergent-containing article and method of making and using
US4687121A (en) * 1986-01-09 1987-08-18 Ecolab Inc. Solid block chemical dispenser for cleaning systems
US4690305A (en) * 1985-11-06 1987-09-01 Ecolab Inc. Solid block chemical dispenser for cleaning systems
USRE32763E (en) * 1978-02-07 1988-10-11 Ecolab Inc. Cast detergent-containing article and method of making and using
USRE32818E (en) * 1978-02-07 1989-01-03 Ecolab Inc. Cast detergent-containing article and method of using
US5273967A (en) * 1990-12-03 1993-12-28 Pittendrigh Barry R Method of mosquito control
US5679365A (en) * 1992-10-23 1997-10-21 Henderson; Dennis Mark Composition and method for forming an insecticide

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2451022A (en) * 1944-02-28 1948-10-12 Frederick C Dohrmann Color changing antiseptic composition
US2992186A (en) * 1955-10-03 1961-07-11 Henkel Helios Ab Detergent compositions
US3042621A (en) * 1957-11-01 1962-07-03 Colgate Palmolive Co Detergent composition
US3042622A (en) * 1957-11-01 1962-07-03 Colgate Palmolive Co Abrasive cleaning composition
US3179600A (en) * 1960-03-10 1965-04-20 Ncr Co Minute color-forming capsules and record material provided with such
US3154494A (en) * 1961-08-07 1964-10-27 United States Borax Chem Fabric laundry compositions
US3260674A (en) * 1962-10-18 1966-07-12 Edward J Ross Tableted composition for oxygen release
US3276949A (en) * 1963-05-07 1966-10-04 Olin Mathieson Tablets comprising calcium hypochlorite and sodium sulfate and method of preparation
US4020005A (en) * 1975-02-24 1977-04-26 Lang John L Gelled reagent materials
US4569780A (en) * 1978-02-07 1986-02-11 Economics Laboratory, Inc. Cast detergent-containing article and method of making and using
USRE32763E (en) * 1978-02-07 1988-10-11 Ecolab Inc. Cast detergent-containing article and method of making and using
USRE32818E (en) * 1978-02-07 1989-01-03 Ecolab Inc. Cast detergent-containing article and method of using
US4690305A (en) * 1985-11-06 1987-09-01 Ecolab Inc. Solid block chemical dispenser for cleaning systems
US4687121A (en) * 1986-01-09 1987-08-18 Ecolab Inc. Solid block chemical dispenser for cleaning systems
US5273967A (en) * 1990-12-03 1993-12-28 Pittendrigh Barry R Method of mosquito control
US5679365A (en) * 1992-10-23 1997-10-21 Henderson; Dennis Mark Composition and method for forming an insecticide

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