BR0014677A - Rápida absorção de oxigênio pelo uso de ativadores - Google Patents

Rápida absorção de oxigênio pelo uso de ativadores

Info

Publication number
BR0014677A
BR0014677A BR0014677-3A BR0014677A BR0014677A BR 0014677 A BR0014677 A BR 0014677A BR 0014677 A BR0014677 A BR 0014677A BR 0014677 A BR0014677 A BR 0014677A
Authority
BR
Brazil
Prior art keywords
iron
preferred
oxygen
acid
activator
Prior art date
Application number
BR0014677-3A
Other languages
English (en)
Inventor
Susan P Evans
Vinod K Lutha
Kalathur S Santhanam
R Andrew Sloan
Original Assignee
Pactiv Corp
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
Application filed by Pactiv Corp filed Critical Pactiv Corp
Publication of BR0014677A publication Critical patent/BR0014677A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K15/00—Anti-oxidant compositions; Compositions inhibiting chemical change
    • C09K15/04—Anti-oxidant compositions; Compositions inhibiting chemical change containing organic compounds
    • C09K15/32—Anti-oxidant compositions; Compositions inhibiting chemical change containing organic compounds containing two or more of boron, silicon, phosphorus, selenium, tellurium or a metal
    • C09K15/326—Anti-oxidant compositions; Compositions inhibiting chemical change containing organic compounds containing two or more of boron, silicon, phosphorus, selenium, tellurium or a metal containing only metals
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/34—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals
    • A23L3/3409—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor
    • A23L3/3418—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O
    • A23L3/3427—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O in which an absorbent is placed or used
    • A23L3/3436—Oxygen absorbent

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Nutrition Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
  • Gas Separation By Absorption (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Packages (AREA)

Abstract

"RáPIDA ABSORçãO DE OXIGêNIO PELO USO DE ATIVADORES". é tomada possível a absorção de oxigênio de um espaço fechado numa taxa rápida, particularmente em embalagem de alimentos, introduzindo-se uma mistura de álcool-água como um ativador para sistemas absorvedores baseados em ferro, incluindo preferencialmente um ácido para controlar o pH. Os álcoois preferidos são os álcoois alifáticos, particularmente os alcanóis monoídricos, tais como metanol, etanol, n-propanol, Isopropanol, sec-butanol e t-butanol. Tais combinações de absorvedores ativadores são capazes de reduzir rapidamente o oxigênio numa embalagem fechada. Um ácido preferido é o ácido ortofosfórico usado numa quantidade suficiente para estabelecer um pH de cerca de 0,6 à 4. Um sistema absorvedor baseado em ferro preferido emprega ferro em esponja, incluindo opcionalmente um ácido dibásico cooperando com o ácido ortofosfórico para controlar o pH no sistema. Numa modalidade preferida, o absorvedor baseado em ferro é pré-ativado pondo-o em contato com o ativador na ausência substancial de oxigênio por um período de tempo pré-determinado.
BR0014677-3A 1999-10-01 2000-09-27 Rápida absorção de oxigênio pelo uso de ativadores BR0014677A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15729799P 1999-10-01 1999-10-01
PCT/US2000/026466 WO2001025369A1 (en) 1999-10-01 2000-09-27 Rapid oxygen absorption by using activators

Publications (1)

Publication Number Publication Date
BR0014677A true BR0014677A (pt) 2002-07-23

Family

ID=22563142

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0014677-3A BR0014677A (pt) 1999-10-01 2000-09-27 Rápida absorção de oxigênio pelo uso de ativadores

Country Status (9)

Country Link
US (1) US6616861B1 (pt)
EP (1) EP1242560A1 (pt)
JP (1) JP2003511020A (pt)
AU (1) AU768567B2 (pt)
BR (1) BR0014677A (pt)
CA (1) CA2385738C (pt)
MX (1) MXPA02003206A (pt)
NZ (1) NZ518190A (pt)
WO (1) WO2001025369A1 (pt)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6926846B1 (en) * 1996-08-08 2005-08-09 Pactiv Corporation Methods of using an oxygen scavenger
US6899822B2 (en) * 2002-11-18 2005-05-31 Multisorb Technologies, Inc. Oxygen-absorbing composition
US7125498B2 (en) * 2004-02-04 2006-10-24 Multisorb Technologies, Inc. Oxygen-absorbing compositions and method
US20060069197A1 (en) 2004-09-27 2006-03-30 Tammaji Kulkarny S Oxygen scavenging composition
US9452592B2 (en) 2007-08-28 2016-09-27 Cryovac, Inc. Multilayer film having an active oxygen barrier layer with radiation enhanced active barrier properties
US8815360B2 (en) 2007-08-28 2014-08-26 Cryovac, Inc. Multilayer film having passive and active oxygen barrier layers
US8206150B2 (en) * 2007-09-05 2012-06-26 Travis Aaron Wade Method for extinguishing a candle at timed intervals using a combustible material
US8048201B2 (en) * 2009-03-26 2011-11-01 Desiccare, Inc Oxygen scavenger and a method for scavenging oxygen
BR112012031526A2 (pt) * 2010-06-10 2017-05-16 Multisorb Tech Inc absorvedor de oxigênio e método de absorver oxigênio
US9056446B2 (en) 2010-06-30 2015-06-16 Paper-Pak Industries Absorbent food pad

Family Cites Families (31)

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JPS5314185A (en) * 1976-07-15 1978-02-08 Mitsubishi Gas Chem Co Inc Production of oxygen absorbent
JPS5371693A (en) 1976-12-08 1978-06-26 Mitsubishi Gas Chem Co Inc Oxygen absorbent
US4299719A (en) 1978-10-23 1981-11-10 Mitsubishi Chemical Ind., Ltd. Deoxidizer
US4594130A (en) * 1978-11-27 1986-06-10 Chang Pei Ching Pulping of lignocellulose with aqueous alcohol and alkaline earth metal salt catalyst
JPS6028820A (ja) * 1983-07-26 1985-02-14 Daishiro Fujishima 脱酸素剤
US4588561A (en) * 1984-07-06 1986-05-13 Becton, Dickinson And Company Package for removing oxygen from a gaseous mixture
KR890002855B1 (ko) 1985-06-26 1989-08-05 미쯔비시 가스 가가구 가부시기가이샤 시이트상 탈산소제 및 그 제조방법
US4942048A (en) 1985-10-29 1990-07-17 Nippon Kayaku Kabushiki Kaisha Process for preserving food and deoxygenating composition
US4868346A (en) * 1985-11-04 1989-09-19 Grain Processing Corporation Removal of water from aqueous alcohol mixtures
WO1987002965A1 (en) 1985-11-14 1987-05-21 Garwood Ltd. Packaging
US4820442A (en) * 1985-12-26 1989-04-11 Freund Industrial Co., Ltd. Preservative composition
CA1326396C (en) 1987-12-02 1994-01-25 Mitsubishi Gas Chemical Company, Inc. Deoxidizer package for use with foods
JPH0474515A (ja) 1990-07-13 1992-03-09 Toray Ind Inc 酸素吸収体
US5504095A (en) * 1990-09-19 1996-04-02 Pfizer Inc. Aminobenzosultam derivatives as lipoxygenase inhibitors
US5207943A (en) * 1991-01-07 1993-05-04 Multiform Desiccants, Inc. Oxygen absorber for low moisture products
CA2062083C (en) 1991-04-02 2002-03-26 Drew Ve Speer Compositions, articles and methods for scavenging oxygen
ZA921914B (en) 1991-04-02 1993-09-16 Grace W R & Co Compositions, articles and methods for scavenging oxygen
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DE69203838T2 (de) 1991-11-13 1996-02-08 Mitsubishi Gas Chemical Co Sauerstoff-Absorber und Verfahren zu dessen Herstellung.
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CA2123728A1 (en) * 1993-05-21 1994-11-22 Noriyoshi Sueda Urea derivatives and their use as acat inhibitors
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Also Published As

Publication number Publication date
AU7719000A (en) 2001-05-10
MXPA02003206A (es) 2002-11-07
NZ518190A (en) 2003-11-28
US6616861B1 (en) 2003-09-09
CA2385738A1 (en) 2001-04-12
WO2001025369A1 (en) 2001-04-12
EP1242560A1 (en) 2002-09-25
JP2003511020A (ja) 2003-03-25
CA2385738C (en) 2007-12-18
AU768567B2 (en) 2003-12-18

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]