BR0108486A - Aparelho e método para liberação controlada de um gás - Google Patents

Aparelho e método para liberação controlada de um gás

Info

Publication number
BR0108486A
BR0108486A BR0108486-0A BR0108486A BR0108486A BR 0108486 A BR0108486 A BR 0108486A BR 0108486 A BR0108486 A BR 0108486A BR 0108486 A BR0108486 A BR 0108486A
Authority
BR
Brazil
Prior art keywords
gas
layer
sachet
envelope
barrier layer
Prior art date
Application number
BR0108486-0A
Other languages
English (en)
Inventor
Richard Hamilton
John Warner
Original Assignee
Selective Micro Technologies L
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 US09/660,117 external-priority patent/US6607696B1/en
Application filed by Selective Micro Technologies L filed Critical Selective Micro Technologies L
Publication of BR0108486A publication Critical patent/BR0108486A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • 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
    • A61L2/00—Disinfection or sterilisation of materials or objects, in general; Accessories therefor
    • A61L2/16—Disinfection or sterilisation of materials or objects, in general; Accessories therefor using chemical substances
    • A61L2/20—Gaseous substances, e.g. vapours
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B11/00—Oxides or oxyacids of halogens; Salts thereof
    • C01B11/02—Oxides of chlorine
    • C01B11/022—Chlorine dioxide (ClO2)
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B11/00—Oxides or oxyacids of halogens; Salts thereof
    • C01B11/02—Oxides of chlorine
    • C01B11/022—Chlorine dioxide (ClO2)
    • C01B11/023—Preparation from chlorites or chlorates
    • C01B11/024—Preparation from chlorites or chlorates from chlorites
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
    • C02F1/763—Devices for the addition of such compounds in gaseous form
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/04—Disinfection

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Animal Behavior & Ethology (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Gas Separation By Absorption (AREA)
  • Pipeline Systems (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Degasification And Air Bubble Elimination (AREA)
  • Farming Of Fish And Shellfish (AREA)

Abstract

"APARELHO E MéTODO PARA LIBERAçãO CONTROLADA DE UM GáS". Descreve-se um aparelho para liberação de um gás, por exemplo, dióxido de carbono e/ou dióxido de cloro, e processos para uso e manufatura do mesmo. O aparelho inclui um envelope e um sachê disposto dentro do que envelope que contém reagente, que gera um gás na presença de um agente de iniciação, por exemplo, água. Em uma outra modalidade, o aparelho inclui uma camada de barreira, uma camada de sachê disposta adjacente à camada de barreira, um reagente disposto entre a camada de barreira e a camada de sachê, que gera um gás na presença de um agente de iniciação, e uma camada envelope disposta adjacente à camada de sachê.
BR0108486-0A 2000-02-18 2001-02-16 Aparelho e método para liberação controlada de um gás BR0108486A (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US18336800P 2000-02-18 2000-02-18
US19002800P 2000-03-17 2000-03-17
US09/660,117 US6607696B1 (en) 2000-02-18 2000-09-12 Apparatus and method for controlled delivery of a gas
US25989601P 2001-01-04 2001-01-04
PCT/US2001/005002 WO2001060750A2 (en) 2000-02-18 2001-02-16 Apparatus and method for controlled delivery of a gas

Publications (1)

Publication Number Publication Date
BR0108486A true BR0108486A (pt) 2003-04-22

Family

ID=27497561

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0108486-0A BR0108486A (pt) 2000-02-18 2001-02-16 Aparelho e método para liberação controlada de um gás

Country Status (10)

Country Link
US (1) US6602466B2 (pt)
EP (1) EP1255572B1 (pt)
JP (1) JP2003522640A (pt)
KR (1) KR20020073556A (pt)
CN (1) CN1400912A (pt)
AU (1) AU2001243167A1 (pt)
BR (1) BR0108486A (pt)
CA (1) CA2399245A1 (pt)
MX (1) MXPA02007993A (pt)
WO (1) WO2001060750A2 (pt)

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US20010038805A1 (en) 2001-11-08
CA2399245A1 (en) 2001-08-23
CN1400912A (zh) 2003-03-05
EP1255572B1 (en) 2013-08-14
EP1255572A2 (en) 2002-11-13
JP2003522640A (ja) 2003-07-29
WO2001060750A2 (en) 2001-08-23
AU2001243167A1 (en) 2001-08-27
WO2001060750A3 (en) 2002-05-02

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