CA1049288A - Time temperature integrating indicator - Google Patents

Time temperature integrating indicator

Info

Publication number
CA1049288A
CA1049288A CA226,712A CA226712A CA1049288A CA 1049288 A CA1049288 A CA 1049288A CA 226712 A CA226712 A CA 226712A CA 1049288 A CA1049288 A CA 1049288A
Authority
CA
Canada
Prior art keywords
gas
temperature time
indicator
wick
time integrating
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
Application number
CA226,712A
Other languages
English (en)
French (fr)
Inventor
Shou-Mean Fang
Raymond P. Larsson
Craig R. Hof
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BIO-MEDICAL SCIENCES
Original Assignee
BIO-MEDICAL SCIENCES
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 US05/469,851 external-priority patent/US3946611A/en
Priority claimed from US05/515,165 external-priority patent/US3932134A/en
Application filed by BIO-MEDICAL SCIENCES filed Critical BIO-MEDICAL SCIENCES
Application granted granted Critical
Publication of CA1049288A publication Critical patent/CA1049288A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/22—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators
    • G01N31/229—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators for investigating time/temperature history
    • 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—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/26—Accessories or devices or components used for biocidal treatment
    • A61L2/28—Devices for testing the effectiveness or completeness of sterilisation, e.g. indicators which change colour
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K3/00—Thermometers giving results other than momentary value of temperature
    • G01K3/02—Thermometers giving results other than momentary value of temperature giving means values; giving integrated values
    • G01K3/04—Thermometers giving results other than momentary value of temperature giving means values; giving integrated values in respect of time

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Public Health (AREA)
  • Epidemiology (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Catching Or Destruction (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
CA226,712A 1974-05-14 1975-05-12 Time temperature integrating indicator Expired CA1049288A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/469,851 US3946611A (en) 1974-05-14 1974-05-14 Time-temperature integrating indicator
US05/515,165 US3932134A (en) 1974-10-16 1974-10-16 Time-temperature integrating indicator device

Publications (1)

Publication Number Publication Date
CA1049288A true CA1049288A (en) 1979-02-27

Family

ID=27042871

Family Applications (1)

Application Number Title Priority Date Filing Date
CA226,712A Expired CA1049288A (en) 1974-05-14 1975-05-12 Time temperature integrating indicator

Country Status (17)

Country Link
JP (1) JPS50156980A (de)
AR (1) AR203236A1 (de)
BR (1) BR7502968A (de)
CA (1) CA1049288A (de)
CH (1) CH578171A5 (de)
DD (1) DD118177A5 (de)
DE (1) DE2521239C3 (de)
DK (1) DK209375A (de)
ES (1) ES437632A1 (de)
FR (1) FR2271552B1 (de)
GB (1) GB1506401A (de)
IE (1) IE41240B1 (de)
IL (1) IL47275A0 (de)
IT (1) IT1035706B (de)
NL (1) NL7505596A (de)
NO (1) NO751664L (de)
SE (1) SE7505488L (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0054831A1 (de) * 1980-12-22 1982-06-30 Olympia Werke Ag Anordnung zum Erfassen des Verwendungszustandes eines Gebrauchsgutes
JPS57151854A (en) * 1981-03-17 1982-09-20 Ekika Tansan Kk Indicator for detecting residual ethylene oxide gas
DE3210907C2 (de) * 1982-03-25 1984-07-19 Schwan-Stabilo Schwanhäußer GmbH & Co, 8500 Nürnberg Indikator für die Anzeige einer Zeit/Temperatur-Belastung
NL8402181A (nl) * 1983-12-23 1985-07-16 Draegerwerk Ag Proefbuisje met breekbare ampul als temperatuurbelastingsindikator.
GB8614839D0 (en) * 1986-06-18 1986-07-23 Gen Electric Co Plc Indicating changes in temperatures
FR2603777B1 (fr) * 1986-09-11 1990-06-01 Baele Gangloff Ste Nouvelle Dispositif de mesure d'unites de pasteurisation et installation de pasteurisation utilisant ce dispositif
US4786773A (en) * 1986-12-18 1988-11-22 Alcan International Limited Systems and methods for determining doneness of microwave-heated bodies
DE10226716A1 (de) * 2002-06-14 2004-01-08 Henkel Kgaa Indikationssystem
FR2865134B1 (fr) * 2004-01-20 2007-10-12 Arjo Wiggins Indicateur de sterilisation et d'authentification integrable a un materiau de sterilisation, feuille d'emballage et emballage le contenant, methode de sterilisation l'utilisant.
GB2423360A (en) * 2005-02-22 2006-08-23 Sun Chemical Ltd Time/Temperature Indicator, Preparation and Use
JP2009243965A (ja) * 2008-03-28 2009-10-22 Sumitomo Bakelite Co Ltd 流路デバイス、外装ケース付き流路デバイス、流路デバイスの使用方法
JP5712744B2 (ja) * 2011-04-05 2015-05-07 三菱電機株式会社 空気調和機
US11162840B1 (en) 2021-04-20 2021-11-02 Giftedness And Creativity Company Method and kit for detecting technetium-99m radioisotopes

Also Published As

Publication number Publication date
DE2521239B2 (de) 1980-03-06
FR2271552A1 (de) 1975-12-12
JPS50156980A (de) 1975-12-18
IL47275A0 (en) 1976-10-31
ES437632A1 (es) 1977-05-16
IE41240L (en) 1975-11-14
IE41240B1 (en) 1979-11-21
GB1506401A (en) 1978-04-05
AR203236A1 (es) 1975-08-22
DE2521239C3 (de) 1980-11-06
IT1035706B (it) 1979-10-20
CH578171A5 (de) 1976-07-30
FR2271552B1 (de) 1978-02-03
DE2521239A1 (de) 1975-11-27
BR7502968A (pt) 1976-03-23
DD118177A5 (de) 1976-02-12
SE7505488L (sv) 1975-11-17
DK209375A (da) 1975-11-15
NO751664L (de) 1975-11-17
NL7505596A (nl) 1975-11-18
AU8108775A (en) 1976-11-18

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