ZA815943B - Improved indicator system for useful life of products which release active agents into the atmosphere - Google Patents

Improved indicator system for useful life of products which release active agents into the atmosphere

Info

Publication number
ZA815943B
ZA815943B ZA815943A ZA815943A ZA815943B ZA 815943 B ZA815943 B ZA 815943B ZA 815943 A ZA815943 A ZA 815943A ZA 815943 A ZA815943 A ZA 815943A ZA 815943 B ZA815943 B ZA 815943B
Authority
ZA
South Africa
Prior art keywords
atmosphere
products
active agents
useful life
indicator system
Prior art date
Application number
ZA815943A
Other languages
English (en)
Inventor
Adrian Neville Fellows
Original Assignee
Vedale Ltd
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 Vedale Ltd filed Critical Vedale Ltd
Publication of ZA815943B publication Critical patent/ZA815943B/xx

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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Environmental Sciences (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Jigs For Machine Tools (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
ZA815943A 1980-09-02 1981-08-27 Improved indicator system for useful life of products which release active agents into the atmosphere ZA815943B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8028307 1980-09-02

Publications (1)

Publication Number Publication Date
ZA815943B true ZA815943B (en) 1982-08-25

Family

ID=10515790

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA815943A ZA815943B (en) 1980-09-02 1981-08-27 Improved indicator system for useful life of products which release active agents into the atmosphere

Country Status (13)

Country Link
EP (1) EP0047101A3 (es)
JP (1) JPS57168158A (es)
KR (1) KR830008166A (es)
AU (1) AU7445481A (es)
BR (1) BR8105631A (es)
DK (1) DK386481A (es)
ES (1) ES8303771A1 (es)
FI (1) FI812668L (es)
GB (1) GB2085582A (es)
GR (1) GR75763B (es)
NO (1) NO812959L (es)
PT (1) PT73609B (es)
ZA (1) ZA815943B (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4533640A (en) * 1984-02-21 1985-08-06 Shafer Jules A Accumulated thermal exposure responder and method of use
EP0231499A1 (en) * 1986-01-02 1987-08-12 Allied Corporation Activatable time-temperature indicator
US5278132A (en) * 1986-02-11 1994-01-11 Gouws & Scheepers (Propietary) Ltd. Agricultural compounds
GB2209942A (en) * 1987-09-23 1989-06-01 Johnson & Son Inc S C Air refreshening compositions containing indicators
US6561008B1 (en) * 1999-10-28 2003-05-13 Guelph Food Technology Centre Determination of oxygen permeation into containers
US7651989B2 (en) * 2003-08-29 2010-01-26 Kimberly-Clark Worldwide, Inc. Single phase color change agents
GB2408047A (en) * 2003-11-12 2005-05-18 Colormatrix Europe Ltd Colourant for use in thermoplastic compositions
US8067350B2 (en) 2005-12-15 2011-11-29 Kimberly-Clark Worldwide, Inc. Color changing cleansing composition
CN101324530B (zh) * 2007-06-15 2010-07-21 林唯芳 时间历程指示装置及其形成方法
JP4757931B2 (ja) * 2009-05-22 2011-08-24 内橋エステック株式会社 保護素子
WO2016191500A1 (en) * 2015-05-26 2016-12-01 Kimberly-Clark Worldwide, Inc. Wiper with use indicator

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4062649A (en) * 1974-04-29 1977-12-13 Shell Oil Company Depletion indicator for controlled-release pesticide formulations
GB1581333A (en) * 1976-07-02 1980-12-10 Unilever Ltd Colour change systems
US4169811A (en) * 1977-03-23 1979-10-02 Mitsubishi Gas Chemical Co., Inc. Oxygen indicator
JPS54134492A (en) * 1978-04-10 1979-10-18 Dainichiseika Color Chem Composite substance for indicating oxygennsensitive indicating
JPS5530665A (en) * 1978-08-26 1980-03-04 Ishikawajima Harima Heavy Ind Method of improving filteration properties of radioactive filter sludge waste
US4248597A (en) * 1978-12-12 1981-02-03 Akzona Incorporated Time watch or depletion indicator for removable substances

Also Published As

Publication number Publication date
KR830008166A (ko) 1983-11-16
GR75763B (es) 1984-08-02
PT73609A (en) 1981-10-01
NO812959L (no) 1982-03-03
DK386481A (da) 1982-03-03
JPS57168158A (en) 1982-10-16
ES505028A0 (es) 1983-02-01
FI812668L (fi) 1982-03-03
EP0047101A2 (en) 1982-03-10
GB2085582A (en) 1982-04-28
EP0047101A3 (en) 1982-03-24
ES8303771A1 (es) 1983-02-01
PT73609B (en) 1983-10-19
AU7445481A (en) 1982-03-11
BR8105631A (pt) 1982-05-18

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