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GB1458956A - Thermoindicators comprising dinitrile compounds - Google Patents

Thermoindicators comprising dinitrile compounds

Info

Publication number
GB1458956A
GB1458956A GB2220475A GB2220475A GB1458956A GB 1458956 A GB1458956 A GB 1458956A GB 2220475 A GB2220475 A GB 2220475A GB 2220475 A GB2220475 A GB 2220475A GB 1458956 A GB1458956 A GB 1458956A
Authority
GB
United Kingdom
Prior art keywords
alkyl
thermoindicators
alkoxy
halogen
dinitrile compounds
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
GB2220475A
Other languages
English (en)
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.)
Lonza AG
Original Assignee
Lonza AG
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 Lonza AG filed Critical Lonza AG
Publication of GB1458956A publication Critical patent/GB1458956A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/12—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in colour, translucency or reflectance
    • G01K11/16—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in colour, translucency or reflectance of organic materials

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
GB2220475A 1974-06-10 1975-05-22 Thermoindicators comprising dinitrile compounds Expired GB1458956A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH786774 1974-06-10

Publications (1)

Publication Number Publication Date
GB1458956A true GB1458956A (en) 1976-12-22

Family

ID=4331601

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2220475A Expired GB1458956A (en) 1974-06-10 1975-05-22 Thermoindicators comprising dinitrile compounds

Country Status (3)

Country Link
DE (1) DE2524602A1 (ja)
FR (1) FR2274033A1 (ja)
GB (1) GB1458956A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4344909A (en) * 1978-12-22 1982-08-17 N.V. Raychem S.A. Thermochromic composition
WO2004090368A1 (en) * 2003-04-09 2004-10-21 The Warthog Trust Device for detecting the maximum temperature of use of a brake pad lining

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4344909A (en) * 1978-12-22 1982-08-17 N.V. Raychem S.A. Thermochromic composition
WO2004090368A1 (en) * 2003-04-09 2004-10-21 The Warthog Trust Device for detecting the maximum temperature of use of a brake pad lining

Also Published As

Publication number Publication date
FR2274033A1 (fr) 1976-01-02
FR2274033B3 (ja) 1978-02-03
DE2524602A1 (de) 1975-12-18

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee