EP0882223A4 - - Google Patents

Info

Publication number: EP0882223A4
Authority: EP; European Patent Office
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP97946502A

Other versions

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.)

1996-11-04

Filing date

1997-11-03

Publication date

1999-01-07

1996-11-04 Priority claimed from US08/743,555 external-priority patent/US6512583B1/en

1996-11-04 Priority claimed from US08/743,554 external-priority patent/US6005662A/en

1997-11-03 Application filed filed Critical

1998-12-09 Publication of EP0882223A1 publication Critical patent/EP0882223A1/en

1999-01-07 Publication of EP0882223A4 publication Critical patent/EP0882223A4/xx

Status Withdrawn legal-status Critical Current

Links

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
- G01N15/0205—Investigating particle size or size distribution by optical means, e.g. by light scattering, diffraction, holography or imaging
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N2015/0042—Investigating dispersion of solids
- G01N2015/0046—Investigating dispersion of solids in gas, e.g. smoke
- G01N2015/0049—Investigating dispersion of solids in gas, e.g. smoke of filaments in gas

EP97946502A 1996-11-04 1997-11-03 Device for measuring the concentration of airborne fibers Withdrawn EP0882223A1 (en)

Applications Claiming Priority (5)

Application Number	Priority Date	Filing Date	Title
US743554		1985-06-11
US743555		1996-11-04
US08/743,555 US6512583B1 (en)	1996-11-04	1996-11-04	Apparatus and method for the dimensional measurement of airborne fibers
US08/743,554 US6005662A (en)	1996-11-04	1996-11-04	Apparatus and method for the measurement and separation of airborne fibers
PCT/US1997/020047 WO1998020320A1 (en)	1996-11-04	1997-11-03	Device for measuring the concentration of airborne fibers

Publications (2)

Publication Number	Publication Date
EP0882223A1 EP0882223A1 (en)	1998-12-09
EP0882223A4 true EP0882223A4 (en)	1999-01-07

Family

ID=27114167

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP97946502A Withdrawn EP0882223A1 (en)	1996-11-04	1997-11-03	Device for measuring the concentration of airborne fibers

Country Status (12)

Country	Link
EP (1)	EP0882223A1 (en)
JP (1)	JP2000503405A (en)
KR (1)	KR19990072187A (en)
AU (1)	AU736174B2 (en)
BR (1)	BR9706914A (en)
CA (1)	CA2239857A1 (en)
CZ (1)	CZ188098A3 (en)
HU (1)	HUP0001651A3 (en)
NO (1)	NO983075L (en)
PL (1)	PL327503A1 (en)
TR (1)	TR199801215T1 (en)
WO (1)	WO1998020320A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP4787645B2 (en) *	2006-03-28	2011-10-05	倉敷紡績株式会社	Fibrous particle measuring method and apparatus
JP4952261B2 (en) *	2007-01-12	2012-06-13	株式会社大林組	Concentration measuring device, concentration measuring system, and concentration measuring method
KR102157179B1 (en) *	2019-01-25	2020-09-18	주식회사 이노서플	Measuring System for Particulate Matter in Air
FR3119236B1 (en) *	2021-01-22	2023-12-22	Brgm	On-site detection system for asbestos particles in construction materials

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3740148A (en) *	1970-12-08	1973-06-19	Research Corp	Portable dust analyzer
US4249244A (en) *	1978-05-03	1981-02-03	Ppm, Inc.	Electro-optical system and method and apparatus for providing automatically-compensating, traceable calibration and zeroing for light scattering devices
US4940327A (en) *	1988-10-25	1990-07-10	Trc Companies Inc.	Method and apparatus for real time asbestos aerosol monitoring

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1316752A (en) *	1970-02-12	1973-05-16	Atomic Energy Authority Uk	Apparatus for analysing suspended particles

1997
- 1997-03-11 TR TR1998/01215T patent/TR199801215T1/en unknown
- 1997-11-03 WO PCT/US1997/020047 patent/WO1998020320A1/en not_active Application Discontinuation
- 1997-11-03 PL PL97327503A patent/PL327503A1/en unknown
- 1997-11-03 KR KR1019980704548A patent/KR19990072187A/en not_active Application Discontinuation
- 1997-11-03 CZ CZ981880A patent/CZ188098A3/en unknown
- 1997-11-03 CA CA002239857A patent/CA2239857A1/en not_active Abandoned
- 1997-11-03 BR BR9706914-0A patent/BR9706914A/en unknown
- 1997-11-03 HU HU0001651A patent/HUP0001651A3/en unknown
- 1997-11-03 EP EP97946502A patent/EP0882223A1/en not_active Withdrawn
- 1997-11-03 AU AU51658/98A patent/AU736174B2/en not_active Ceased
- 1997-11-03 JP JP10521689A patent/JP2000503405A/en active Pending
1998
- 1998-07-02 NO NO983075A patent/NO983075L/en not_active Application Discontinuation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3740148A (en) *	1970-12-08	1973-06-19	Research Corp	Portable dust analyzer
US4249244A (en) *	1978-05-03	1981-02-03	Ppm, Inc.	Electro-optical system and method and apparatus for providing automatically-compensating, traceable calibration and zeroing for light scattering devices
US4940327A (en) *	1988-10-25	1990-07-10	Trc Companies Inc.	Method and apparatus for real time asbestos aerosol monitoring

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9820320A1 *

Also Published As

Publication number	Publication date
AU736174B2 (en)	2001-07-26
JP2000503405A (en)	2000-03-21
NO983075L (en)	1998-08-28
TR199801215T1 (en)	1999-02-22
NO983075D0 (en)	1998-07-02
KR19990072187A (en)	1999-09-27
CZ188098A3 (en)	1998-11-11
BR9706914A (en)	2000-01-04
EP0882223A1 (en)	1998-12-09
HUP0001651A3 (en)	2003-01-28
PL327503A1 (en)	1998-12-21
HUP0001651A2 (en)	2000-09-28
CA2239857A1 (en)	1998-05-14
AU5165898A (en)	1998-05-29
WO1998020320A1 (en)	1998-05-14

Legal Events

Date	Code	Title	Description
1998-10-23	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1998-12-09	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AT BE CH DE DK ES FI FR GB IE IT LI NL SE
1998-12-09	AX	Request for extension of the european patent	Free format text: SI PAYMENT 980722
1999-01-07	A4	Supplementary search report drawn up and despatched	Effective date: 19981124
1999-01-07	AK	Designated contracting states	Kind code of ref document: A4 Designated state(s): AT BE CH DE DK ES FI FR GB IE IT LI NL SE
1999-01-13	17P	Request for examination filed	Effective date: 19981113
2004-11-05	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2004-12-22	18D	Application deemed to be withdrawn	Effective date: 20040602

Publication	Publication Date	Title
AR026661A2 (en)	2003-02-19
BRPI9713914B8 (en)	2021-05-25
BR7600721U (en)	1997-03-04
BR7601346U (en)	1998-07-28
BR9603859A (en)	1998-06-02
CN3047496S (en)	1996-08-21
CN3045911S (en)	1996-07-03
CN3039213S (en)	1996-01-03
CN3040367S (en)	1996-01-31
CN3040543S (en)	1996-01-31
CN3040805S (en)	1996-02-07
CN3041207S (en)	1996-02-21
CN3041374S (en)	1996-02-28
CN3041383S (en)	1996-02-28
CN3042289S (en)	1996-03-20
CN3043305S (en)	1996-04-17
CN3044168S (en)	1996-05-15
CN3044346S (en)	1996-05-15
CN3044347S (en)	1996-05-15
CN3044348S (en)	1996-05-15
CN3044349S (en)	1996-05-15
CN3045208S (en)	1996-06-12
CN3045530S (en)	1996-06-19
CN3045806S (en)	1996-06-26
CN3045853S (en)	1996-07-03