patent/US-4111034-A

http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4111034-A

Outgoing Links

Predicate	Object
assignee	http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_c634bfb52423a09802adc79ca24b7a5d
classificationCPCInventive	http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G01N27-12
classificationIPCInventive	http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01N27-12
filingDate	1977-04-07^^<http://www.w3.org/2001/XMLSchema#date>
grantDate	1978-09-05^^<http://www.w3.org/2001/XMLSchema#date>
inventor	http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_5067b062c12afd4f5d3d4fd515761a6d
publicationDate	1978-09-05^^<http://www.w3.org/2001/XMLSchema#date>
publicationNumber	US-4111034-A
titleOfInvention	Apparatus for monitoring the solvent content of air
abstract	An apparatus for monitoring the solvent content of air, especially for detecting the presence of perchloroethylene or trichloroethylene in association with a drycleaning plant, for measuring the concentration of the solvent and/or for triggering an alarm in the event a solvent concentration exceeds a predetermined limit. The sensor comprises a metal oxide semiconductor electrically heated to a predetermined temperature and having a surface exposed to the solvent molecules in the air so that its electrical resistance or conductivity changes as a function of the solvent concentration.
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priorityDate	1976-04-08^^<http://www.w3.org/2001/XMLSchema#date>
type	http://data.epo.org/linked-data/def/patent/Publication

Incoming Links

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