FR2132670A1 - - Google Patents

Info

Publication number
FR2132670A1
FR2132670A1 FR7211029A FR7211029A FR2132670A1 FR 2132670 A1 FR2132670 A1 FR 2132670A1 FR 7211029 A FR7211029 A FR 7211029A FR 7211029 A FR7211029 A FR 7211029A FR 2132670 A1 FR2132670 A1 FR 2132670A1
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.)
Granted
Application number
FR7211029A
Other languages
French (fr)
Other versions
FR2132670B1 (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2132670A1 publication Critical patent/FR2132670A1/fr
Application granted granted Critical
Publication of FR2132670B1 publication Critical patent/FR2132670B1/fr
Expired 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
    • G01N15/10—Investigating individual particles
    • G01N15/12—Coulter-counters
    • G01N15/13—

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
FR727211029A 1971-04-07 1972-03-29 Expired FR2132670B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13192371A 1971-04-07 1971-04-07

Publications (2)

Publication Number Publication Date
FR2132670A1 true FR2132670A1 (en) 1972-11-24
FR2132670B1 FR2132670B1 (en) 1973-06-29

Family

ID=22451620

Family Applications (1)

Application Number Title Priority Date Filing Date
FR727211029A Expired FR2132670B1 (en) 1971-04-07 1972-03-29

Country Status (9)

Country Link
US (1) US3746976A (en)
JP (1) JPS5326518B1 (en)
CA (2) CA941450A (en)
CH (1) CH552804A (en)
DE (1) DE2215486C3 (en)
FR (1) FR2132670B1 (en)
GB (1) GB1341366A (en)
NL (1) NL165844C (en)
SE (1) SE380350B (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3902115A (en) * 1973-09-26 1975-08-26 Coulter Electronics Self-cleaning aperture tube for coulter study apparatus and electrolyte supply system therefor
US4001678A (en) * 1974-05-16 1977-01-04 Berg Robert H Displacement metering with independent ancillary flow
US3930736A (en) * 1974-07-01 1976-01-06 Coulter Electronics, Inc. Aperture tube with attached thief
US4014611A (en) * 1975-04-30 1977-03-29 Coulter Electronics, Inc. Aperture module for use in particle testing apparatus
IL53921A (en) * 1977-02-15 1979-12-30 Coulter Electronics Electronic particle sensing aperture module with perforated electrode
US4090128A (en) * 1977-02-15 1978-05-16 Coulter Electronics, Inc. Aperture module for use in particle testing apparatus
US4237416A (en) * 1977-03-22 1980-12-02 Becton Dickinson And Company Apparatus for counting and sizing particles suspended in a liquid electrolyte
US4180091A (en) * 1977-11-18 1979-12-25 Becton, Dickinson And Company Purging means for aperture of blood cell counter
US4361803A (en) * 1980-08-26 1982-11-30 Coulter Electronics, Inc. Apparatus for recirculating sweep flow electrolyte without a pump
DE3233055C2 (en) * 1982-09-06 1994-07-28 Coulter Electronics Flow device for examining individual particles suspended in a liquid
US4503385A (en) * 1983-07-11 1985-03-05 Becton, Dickinson And Company Apparatus and method for regulating sheath fluid flow in a hydrodynamically focused fluid flow system
US4710021A (en) * 1983-10-14 1987-12-01 Sequoia-Turner Corporation Particulate matter analyzing apparatus and method
JPS61124850A (en) * 1984-11-21 1986-06-12 Eruma Kogaku Kk Apparatus for measuring impurities in ultra-pure water
US5094818A (en) * 1989-05-04 1992-03-10 Exact Science, Inc. Self-filling anti-siphon flow system for particle analysis
US5432992A (en) * 1993-12-23 1995-07-18 Abbott Laboratories Method of making count probe with removable count wafer
AU1258595A (en) * 1993-12-23 1995-07-10 Abbott Laboratories Method of making a stress relieved count probe
US5402062A (en) * 1993-12-23 1995-03-28 Abbott Laboratories Mechanical capture of count wafer for particle analysis
GB9405028D0 (en) * 1994-03-15 1994-04-27 Counting Tech Ltd Fluid diluter
US5895869A (en) * 1995-11-17 1999-04-20 Mwi, Inc. Method and apparatus for analyzing particulate matter
US6175227B1 (en) 1997-07-03 2001-01-16 Coulter International Corp. Potential-sensing method and apparatus for sensing and characterizing particles by the Coulter principle
US6111398A (en) * 1997-07-03 2000-08-29 Coulter International Corp. Method and apparatus for sensing and characterizing particles

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3299354A (en) * 1962-07-05 1967-01-17 Coulter Electronics Aperture tube structure for particle study apparatus
US3583209A (en) * 1969-02-27 1971-06-08 Automation Prod Method of and apparatus for measuring mass of a material

Also Published As

Publication number Publication date
NL165844C (en) 1981-05-15
CH552804A (en) 1974-08-15
CA1042511B (en) 1978-11-14
DE2215486A1 (en) 1972-10-12
FR2132670B1 (en) 1973-06-29
US3746976A (en) 1973-07-17
DE2215486C3 (en) 1980-09-18
CA941450A (en) 1974-02-05
JPS5326518B1 (en) 1978-08-02
NL165844B (en) 1980-12-15
GB1341366A (en) 1973-12-19
DE2215486B2 (en) 1980-01-24
NL7204208A (en) 1972-10-10
SE380350B (en) 1975-11-03

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Legal Events

Date Code Title Description
CL Concession to grant licences
ST Notification of lapse