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GB2111987B - Heterocyclic semiconductors and gas sensors - Google Patents

Heterocyclic semiconductors and gas sensors

Info

Publication number
GB2111987B
GB2111987B GB08234133A GB8234133A GB2111987B GB 2111987 B GB2111987 B GB 2111987B GB 08234133 A GB08234133 A GB 08234133A GB 8234133 A GB8234133 A GB 8234133A GB 2111987 B GB2111987 B GB 2111987B
Authority
GB
United Kingdom
Prior art keywords
semiconductors
heterocyclic
gas sensors
sensors
gas
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
GB08234133A
Other versions
GB2111987A (en
Inventor
Colin Lucas Honeybourne
Richard John Ewen
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.)
NAT RES DEV
National Research Development Corp UK
Original Assignee
NAT RES DEV
National Research Development Corp UK
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 NAT RES DEV, National Research Development Corp UK filed Critical NAT RES DEV
Priority to GB08234133A priority Critical patent/GB2111987B/en
Publication of GB2111987A publication Critical patent/GB2111987A/en
Application granted granted Critical
Publication of GB2111987B publication Critical patent/GB2111987B/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/12Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
    • G01N27/125Composition of the body, e.g. the composition of its sensitive layer
    • G01N27/126Composition of the body, e.g. the composition of its sensitive layer comprising organic polymers
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D257/00Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms
    • C07D257/10Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms condensed with carbocyclic rings or ring systems

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electrochemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
GB08234133A 1981-12-01 1982-11-30 Heterocyclic semiconductors and gas sensors Expired GB2111987B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08234133A GB2111987B (en) 1981-12-01 1982-11-30 Heterocyclic semiconductors and gas sensors

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB8136127 1981-12-01
GB8233089 1982-11-19
GB08234133A GB2111987B (en) 1981-12-01 1982-11-30 Heterocyclic semiconductors and gas sensors

Publications (2)

Publication Number Publication Date
GB2111987A GB2111987A (en) 1983-07-13
GB2111987B true GB2111987B (en) 1986-04-16

Family

ID=27261387

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08234133A Expired GB2111987B (en) 1981-12-01 1982-11-30 Heterocyclic semiconductors and gas sensors

Country Status (1)

Country Link
GB (1) GB2111987B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2186087B (en) * 1986-01-31 1989-10-25 Coal Ind Improvements in gas sensors
EP0332934A3 (en) * 1988-03-14 1992-05-20 Siemens Aktiengesellschaft Apparatus for measuring the partial pressure of gases or vapours
FR2628827B1 (en) * 1988-03-21 1990-07-06 Haan Andre METHOD FOR OPTIMIZING COMBUSTION, DEVICE FOR CARRYING OUT SAID METHOD, AS WELL AS DETECTOR EQUIPPED WITH SUCH A DEVICE
EP0341201A3 (en) * 1988-04-21 1991-03-20 Ciba-Geigy Ag Ultrathin layers from dibenzotetraazo-[14]-annulene derivatives
EP0350451A3 (en) * 1988-07-08 1991-03-27 Ciba-Geigy Ag Method for the production of electro-active langmuir-blodgett films
DE69028415T2 (en) * 1989-11-08 1997-01-16 British Tech Group GAS SENSOR AND SUITABLE CONNECTION
US5733506A (en) * 1989-11-08 1998-03-31 British Technology Group, Ltd. Gas sensors and compounds suitable therefor
GB2239705B (en) * 1989-11-08 1993-05-12 Nat Res Dev Gas sensors and compounds suitable therefor

Also Published As

Publication number Publication date
GB2111987A (en) 1983-07-13

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19951130