WO2001041566A1 - Dispositif non electrique permettant la vaporisation de principes actifs - Google Patents

Dispositif non electrique permettant la vaporisation de principes actifs Download PDF

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Publication number
WO2001041566A1
WO2001041566A1 PCT/ES2000/000461 ES0000461W WO0141566A1 WO 2001041566 A1 WO2001041566 A1 WO 2001041566A1 ES 0000461 W ES0000461 W ES 0000461W WO 0141566 A1 WO0141566 A1 WO 0141566A1
Authority
WO
WIPO (PCT)
Prior art keywords
active substances
active substance
band
combustible composition
flame
Prior art date
Application number
PCT/ES2000/000461
Other languages
English (en)
Spanish (es)
Inventor
Jordi BASAGAÑAS MILLAN
Original Assignee
DBK ESPAñA, S.A.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from ES9902707A external-priority patent/ES2156770B1/es
Application filed by DBK ESPAñA, S.A. filed Critical DBK ESPAñA, S.A.
Priority to AU18645/01A priority Critical patent/AU1864501A/en
Publication of WO2001041566A1 publication Critical patent/WO2001041566A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
    • A61L9/02—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air by heating or combustion
    • 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
    • A01N25/20—Combustible or heat-generating compositions

Definitions

  • This invention relates to a non-electric device suitable for vaporization and release of active substances, for example, insecticides, insect repellents, perfumes, air fresheners, odor neutralizers, disinfectants, etc.
  • the device comprises a flame-resistant paper support on which a band of a combustible composition comprising the active substance that is vaporized and released when said combustible composition is burned has been applied.
  • Various types of devices used to vaporize and release active substances are known, for example, insecticides or air fresheners. Some of said devices are electrical and require their connection to the electrical network to vaporize the active substance, while other devices are not electrical and do not require such a connection.
  • British patent application GB-A-2139498 describes a non-electrical device for repelling insects comprising a support of a fireproof or slowly combustible material on which a spiral-shaped band of a combustible material comprising the fuel is printed.
  • active substance insecticide or insect repellent compound
  • active substance insecticide or insect repellent compound
  • the invention provides a solution to the existing need consisting of the device described in detail below.
  • Figure 1 shows a particular embodiment of the fingerprint of a band of a combustible composition containing the active substance to be vaporized applied in a zigzag form on a support.
  • the invention provides a non-electric device for the vaporization of active substances, hereinafter, device of the invention, comprising a support of Flame-resistant paper on which a band of a combustible composition containing the active substance that vaporizes when said combustible composition is burned, characterized in that said combustible composition is a paste having the following formulation in dry form:
  • the support used in the device of the invention is a paper that has been subjected to a suitable treatment to make it flame resistant, for example, by a conventional method, known to those skilled in the art, which comprises impregnating at least one of the sides of the paper with a flame retardant agent that retards the advance of the flame.
  • a flame retardant agent that retards the advance of the flame.
  • flame-resistant paper refers to a paper that when a flame is lit, it extinguishes itself, which leads to greater security both in its use and for the user.
  • the treatment applied to the paper as well as the weight of the paper act as regulatory factors for the combustion of the paper (in general, the greater the weight of the paper, the lower the burning speed).
  • the treatment applied to the paper used as a support in the device of the invention does not include the use of asbestos fibers as this is a toxic material
  • the carbon powder present in the combustible composition containing the active substance to be vaporized acts as a fuel by maintaining the flame once it has been applied on a point of the device of the invention.
  • the sawdust when present in the combustible composition, also acts as a fuel by maintaining the flame once it has been applied on a point of the device of the invention.
  • Sodium lignosulfonate when present, acts as a dispersant of the carbon powder facilitating the preparation of the paste, and potassium nitrate acts as a combustion activator and regulator of the burn rate.
  • the starch when present, acts as a regulator of the viscosity and rheological behavior of the paste.
  • Inert ingredients can be used inorganic salts, for example, sodium bicarbonate, and / or organic co-solvents, for example, alcohols, glycol ethers, etc.
  • the bonding agents are compounds that act by facilitating and improving the adhesion of the band of combustible composition containing the active substance to the support.
  • adherent agents that can be used are, for example, polyvinyl pyrrolidones (PVP) and modified cellulosic derivatives, such as hydroxy (alkyl) cellulose, for example, hydroxyethyl cellulose, or carboxy (alkyl) cellulose, for example , carboxy methyl cellulose, etc.
  • the active substances that may be present in the device of the invention may be insecticides, insect repellents, air fresheners, perfumes, odor neutralizers, disinfectants, etc., and mixtures thereof, and, in general, any substance of interest that may be formulated in the composition and vaporized under the conditions of use of the device of the invention.
  • a list of the active substances, mainly insecticides, air fresheners and perfumes that can be used in the device of the invention can be found, for example, in European patent application EP 0 636 314, which is incorporated by reference.
  • the combustible composition containing the active substance that vaporizes when said fuel composition used in the preparation of the device of the invention is burned is in the form of an aqueous-based paste containing the previously mentioned components in the indicated amounts.
  • the components of said composition give the paste some interesting properties, such as adequate fixing to the support and a good resistance to breakage, significantly better than those of other similar known devices.
  • the amount of smoke generated is markedly reduced in relation to other similar known devices.
  • the paste to be applied on the support is prepared by means of a process comprising mixing, dry, the solid components, followed by adding the dry mixture of the solid components to the water, and finally, adding the rest of the liquid components of the composition.
  • the paste to be applied on the support can be prepared by a method comprising:
  • aqueous starch dispersion disperse the starch in water; dry mix solid components; - adding the dry mixture of the solid components on the aqueous starch dispersion, in a solid ratio: aqueous starch dispersion of approximately 1: 1; and add the liquid components of the composition.
  • the result in any case, is a black paste, due to the presence of coal dust, which has adequate rheological characteristics for printing on the support.
  • the device of the invention can be obtained by applying a band of said combustible composition containing the active substance, in paste form, on the support.
  • the band to be applied on the support can acquire any shape and configuration.
  • said band is applied in the form (imprint) of a spiral, circular or quadrangular, as described in British patent application GB-A-2139498, or in any other desired shape or footprint, by example, zig-zag [see Figure 1] or forming a fret.
  • the application of said composition on the support can be done by conventional techniques, for example, by means of serography techniques.
  • the device of the invention can be used to vaporize and release numerous active substances, for example, insecticides, insect repellents, perfumes, air fresheners, odor neutralizers, disinfectants, and the like.
  • the vaporization of said active substance takes place by burning the footprint of the combustible composition that contains it.
  • To start the vaporization of the active substance it is ignited, for example, with a match or with a lighter, one end of the footprint and, as the heat source advances along said footprint, the active substance is vaporized .
  • the burn rate of the fingerprint can be regulated and, therefore, can be developed devices with a certain duration. At the end of the process, the device can be thrown away as it is disposable.
  • the device of the invention can be used both indoors and outdoors, for example, on terraces, gardens, campsites, etc.
  • the device of the invention includes means, for example, legs or hooks, for keeping the device in a horizontal and elevated position with respect to another surface, that is, without contact with said surface. , in order to allow air flow through the bottom of the device of the invention.
  • the invention also provides a non-electric apparatus for vaporizing active substances which contains within it a device of the invention.
  • the apparatus comprises a perforated lower base that allows the passage of air so that the flame does not go out, optionally accompanied by means, for example, a tray, in its lower part that allow the deposit and collection of the ashes resulting from the paper combustion.
  • the apparatus may, if desired, include a cover provided with a grid or holes in order to allow the vaporized active substance to escape.
  • the pastes corresponding to the compositions [1] - [3], [6] and [7] are prepared by dispersing the starch in water; dry mixing solid components; adding the dry mixture of the solid components over the aqueous starch dispersion, in a solid ratio: aqueous starch dispersion of approximately 1: 1; and adding the remaining liquid components.
  • insecticides As active substances insecticides were used
  • the paste obtained was applied by screen printing techniques on a flame-resistant paper support, drawing a zig-zag footprint and dried with hot air at 45 ° C for 20 minutes.
  • one of the ends of the footprint was lit with a match, checking (by smell and sight) that, as the heat source advanced along the footprint, the active substance was vaporizing.
  • the pastes corresponding to the compositions [4], [5] and [8] without starch
  • the appropriate amounts of the solid components are mixed dry, the resulting mixture is added to water, and finally, the rest of the liquid components of the composition are added.
  • the pastes corresponding to the compositions [1] - [3], [6] and [7] are prepared by dispersing the starch in water; dry mixing solid components; by adding the dry mixture of the solid components over the aqueous starch dispersion, in a solid ratio: aqueous dispersion of starch of about 1: 1; and adding the remaining liquid components.
  • insecticides As active substances insecticides were used
  • the paste obtained was applied by screen printing techniques on a flame-resistant paper support, drawing a zig-zag footprint and dried with hot air at 50 ° C for 30 minutes.
  • one of the ends of the footprint was lit with a match, checking (by smell and sight) that, as the heat source advanced along the footprint, the active substance was vaporizing.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Toxicology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Agronomy & Crop Science (AREA)
  • Epidemiology (AREA)
  • Plant Pathology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Abstract

L'invention concerne un dispositif comprenant un support de papier résistant aux flammes sur lequel est appliquée une bande combustible renfermant le principe actif qui est vaporisé et libéré au moment de la combustion de la composition combustible. Ce dispositif est spécialement indiqué pour la vaporisation et l'émission de principes actifs, notamment d'insecticides, de répulsifs d'insectes, de parfums, de diffuseurs de parfums, de neutralisateurs d'odeurs, de désinfectants, etc.
PCT/ES2000/000461 1999-12-10 2000-12-05 Dispositif non electrique permettant la vaporisation de principes actifs WO2001041566A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU18645/01A AU1864501A (en) 1999-12-10 2000-12-05 Non-electrical device for vaporizing active substances

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ES9902707A ES2156770B1 (es) 1999-12-10 1999-12-10 Dispositivo no electrico para vaporizar sustancias activas.
ESP9902707 1999-12-10
ESP200002771 2000-11-20
ES200002771A ES2169000B1 (es) 1999-12-10 2000-11-20 Perfeccionamientos introducidos en el objeto de la solicitud de patente española n- p9902707 por "dispositivo no electrico para vaporizar sustancias activas".

Publications (1)

Publication Number Publication Date
WO2001041566A1 true WO2001041566A1 (fr) 2001-06-14

Family

ID=26155266

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES2000/000461 WO2001041566A1 (fr) 1999-12-10 2000-12-05 Dispositif non electrique permettant la vaporisation de principes actifs

Country Status (2)

Country Link
AU (1) AU1864501A (fr)
WO (1) WO2001041566A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2470994A (en) * 2009-06-10 2010-12-15 Heidi Elise Newell Incense coated template

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2139498A (en) * 1983-04-19 1984-11-14 Family Products Sendirian Berh Insect repellent device
GB2262231A (en) * 1991-12-10 1993-06-16 Min Cheong Yap Combustible insect repellent or incense coil
WO1997042814A1 (fr) * 1996-05-13 1997-11-20 S. C. Johnson & Son, Inc. Insecticide fumigene en forme de spirale

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2139498A (en) * 1983-04-19 1984-11-14 Family Products Sendirian Berh Insect repellent device
GB2262231A (en) * 1991-12-10 1993-06-16 Min Cheong Yap Combustible insect repellent or incense coil
WO1997042814A1 (fr) * 1996-05-13 1997-11-20 S. C. Johnson & Son, Inc. Insecticide fumigene en forme de spirale

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Week 197217, Derwent World Patents Index; AN 1972-27242T/17 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2470994A (en) * 2009-06-10 2010-12-15 Heidi Elise Newell Incense coated template
AU2010202268B2 (en) * 2009-06-10 2012-12-20 Heidi E. Newell Incense coated template in a variety of ornate designs and a method of making it
GB2470994B (en) * 2009-06-10 2013-03-27 Heidi Elise Newell A method of making a multi-layered incense device

Also Published As

Publication number Publication date
AU1864501A (en) 2001-06-18

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