FR2204304A5 - - Google Patents

Info

Publication number: FR2204304A5
Authority: FR; France
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

FR7337711A

Other languages

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.)

PERREN BENNO CH

Original Assignee

PERREN BENNO CH

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.)

1972-10-23

Filing date

1973-10-23

Publication date

1974-05-17

1972-10-23 Priority claimed from DE19722251952 external-priority patent/DE2251952C3/en

1973-09-05 Priority claimed from DE19732344778 external-priority patent/DE2344778C3/en

1973-10-23 Application filed by PERREN BENNO CH filed Critical PERREN BENNO CH

1974-05-17 Application granted granted Critical

1974-05-17 Publication of FR2204304A5 publication Critical patent/FR2204304A5/fr

Status Expired legal-status Critical Current

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/12—Investigating 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
- G01N27/125—Composition of the body, e.g. the composition of its sensitive layer
- G01N27/126—Composition of the body, e.g. the composition of its sensitive layer comprising organic polymers
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/042—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid
- G01M3/045—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid with electrical detection means
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/12—Investigating 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
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/002—Inhomogeneous material in general
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/002—Inhomogeneous material in general
- H01B3/004—Inhomogeneous material in general with conductive additives or conductive layers

Landscapes

Chemical & Material Sciences (AREA)
General Physics & Mathematics (AREA)
Physics & Mathematics (AREA)
Electrochemistry (AREA)
Health & Medical Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Analytical Chemistry (AREA)
Biochemistry (AREA)
General Health & Medical Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Immunology (AREA)
Pathology (AREA)
Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

FR7337711A 1972-10-23 1973-10-23 Expired FR2204304A5 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE19722251952 DE2251952C3 (en)	1972-10-23	1972-10-23	Probe for the detection of organic liquids
DE19732344778 DE2344778C3 (en)		1973-09-05	Probe for the detection of organic liquids

Publications (1)

Publication Number	Publication Date
FR2204304A5 true FR2204304A5 (en)	1974-05-17

Family

ID=25763995

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7337711A Expired FR2204304A5 (en)	1972-10-23	1973-10-23

Country Status (8)

Country	Link
JP (1)	JPS4996796A (en)
AT (1)	AT341810B (en)
CH (1)	CH583905A5 (en)
FR (1)	FR2204304A5 (en)
GB (1)	GB1444994A (en)
IT (1)	IT995911B (en)
NL (1)	NL168940C (en)
SE (1)	SE411149B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0298463A2 (en) *	1987-07-09	1989-01-11	Junkosha Co. Ltd.	Vaporizable liquid detection element
EP0306183A2 (en) *	1987-08-31	1989-03-08	Junkosha Co. Ltd.	Oil leakage sensor
EP0337630A1 (en) *	1988-04-07	1989-10-18	Junkosha Co. Ltd.	Oil detection
EP0354673A2 (en) *	1988-08-11	1990-02-14	Junkosha Co. Ltd.	A solvent detecting sensor
EP0726459A1 (en) *	1993-03-10	1996-08-14	Hughes Aircraft Company	Fugitive emissions sensor
US5607573A (en) *	1993-03-10	1997-03-04	Hughes Aircraft Company	Method for detecting fugitive emissions

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AT403527B (en) *	1990-03-09	1998-03-25	E & E Elektronik Gmbh	Resistive humidity sensor based on a swellable plastic, and method of producing a resistive humidity sensor
US6422059B1 (en) *	2000-08-01	2002-07-23	Calgon Carbon Corporation	Apparatus for detecting changes in concentrations of components of fluid mixtures
JP2005201847A (en) *	2004-01-19	2005-07-28	Mitsubishi Cable Ind Ltd	Sensor for detecting organic liquid of low-molecular weight

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH580279A5 (en) *	1971-10-04	1976-09-30	Foerderung Forschung Gmbh

1973
- 1973-10-16 IT IT3018273A patent/IT995911B/en active
- 1973-10-16 NL NL7314236A patent/NL168940C/en not_active IP Right Cessation
- 1973-10-18 SE SE7314213A patent/SE411149B/en unknown
- 1973-10-18 GB GB4863073A patent/GB1444994A/en not_active Expired
- 1973-10-18 CH CH1489573A patent/CH583905A5/xx not_active IP Right Cessation
- 1973-10-23 AT AT894973A patent/AT341810B/en not_active IP Right Cessation
- 1973-10-23 JP JP11859473A patent/JPS4996796A/ja active Pending
- 1973-10-23 FR FR7337711A patent/FR2204304A5/fr not_active Expired

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0298463A2 (en) *	1987-07-09	1989-01-11	Junkosha Co. Ltd.	Vaporizable liquid detection element
EP0298463A3 (en) *	1987-07-09	1989-09-20	Junkosha Co. Ltd.	Vaporizable liquid detection element
EP0306183A2 (en) *	1987-08-31	1989-03-08	Junkosha Co. Ltd.	Oil leakage sensor
EP0306183A3 (en) *	1987-08-31	1990-05-09	Junkosha Co. Ltd.	Oil leakage sensor
EP0337630A1 (en) *	1988-04-07	1989-10-18	Junkosha Co. Ltd.	Oil detection
EP0354673A2 (en) *	1988-08-11	1990-02-14	Junkosha Co. Ltd.	A solvent detecting sensor
EP0354673A3 (en) *	1988-08-11	1990-05-23	Junkosha Co. Ltd.	A solvent detecting sensor
EP0726459A1 (en) *	1993-03-10	1996-08-14	Hughes Aircraft Company	Fugitive emissions sensor
US5607573A (en) *	1993-03-10	1997-03-04	Hughes Aircraft Company	Method for detecting fugitive emissions

Also Published As

Publication number	Publication date
JPS4996796A (en)	1974-09-12
NL7314236A (en)	1974-04-25
ATA894973A (en)	1977-06-15
IT995911B (en)	1975-11-20
NL168940C (en)	1982-05-17
GB1444994A (en)	1976-08-04
CH583905A5 (en)	1977-01-14
AT341810B (en)	1978-02-27
SE411149B (en)	1979-12-03
NL168940B (en)	1981-12-16

Publication	Publication Date	Title
FR2167728A1 (en)	1973-08-24
FR2204304A5 (en)	1974-05-17
FR2171063A1 (en)	1973-09-21
JPS497567A (en)	1974-01-23
JPS498694A (en)	1974-01-25
JPS4942358A (en)	1974-04-20
JPS4879775A (en)	1973-10-25
JPS4925641A (en)	1974-03-07
CS163951B1 (en)	1975-11-07
JPS4956700U (en)	1974-05-18
CH559120A5 (en)	1975-02-28
CH575266A5 (en)	1976-05-14
CH555446A (en)	1974-10-31
CH564163A5 (en)	1975-07-15
CH563584A5 (en)	1975-06-30
CH565015A5 (en)	1975-08-15
CH565333A5 (en)	1975-08-15
CH563538A5 (en)	1975-06-30
CH563047A5 (en)	1975-06-13
CH565744A5 (en)	1975-08-29
CH566706A5 (en)	1975-09-30
BG19853A1 (en)	1975-10-30
CH577505A5 (en)	1976-07-15
CH576225A5 (en)	1976-06-15
CH562549A5 (en)	1975-05-30

Legal Events

Date	Code	Title	Description
1985-08-23	ST	Notification of lapse