DE69937267D1 - Verfahren zum Feststellen der Wirksamkeit eines Systems zum Mischen von Chemikalien - Google Patents

Verfahren zum Feststellen der Wirksamkeit eines Systems zum Mischen von Chemikalien

Info

Publication number
DE69937267D1
DE69937267D1 DE69937267T DE69937267T DE69937267D1 DE 69937267 D1 DE69937267 D1 DE 69937267D1 DE 69937267 T DE69937267 T DE 69937267T DE 69937267 T DE69937267 T DE 69937267T DE 69937267 D1 DE69937267 D1 DE 69937267D1
Authority
DE
Germany
Prior art keywords
effectiveness
determining
mixing chemicals
chemicals
mixing
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 - Lifetime
Application number
DE69937267T
Other languages
English (en)
Other versions
DE69937267T2 (de
Inventor
John Paul Mizzer
Ching-Cherng Lee
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.)
Siemens Healthcare Diagnostics Inc
Original Assignee
Dade Behring Inc
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 Dade Behring Inc filed Critical Dade Behring Inc
Publication of DE69937267D1 publication Critical patent/DE69937267D1/de
Application granted granted Critical
Publication of DE69937267T2 publication Critical patent/DE69937267T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
    • G01N21/272—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration for following a reaction, e.g. for determining photometrically a reaction rate (photometric cinetic analysis)
DE69937267T 1998-04-13 1999-04-12 Verfahren zum Feststellen der Wirksamkeit eines Systems zum Mischen von Chemikalien Expired - Lifetime DE69937267T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US60034 1987-06-09
US09/060,034 US6118541A (en) 1998-04-13 1998-04-13 Method to determine the effectiveness of a chemical mixing system

Publications (2)

Publication Number Publication Date
DE69937267D1 true DE69937267D1 (de) 2007-11-22
DE69937267T2 DE69937267T2 (de) 2008-07-10

Family

ID=22026918

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69937267T Expired - Lifetime DE69937267T2 (de) 1998-04-13 1999-04-12 Verfahren zum Feststellen der Wirksamkeit eines Systems zum Mischen von Chemikalien

Country Status (3)

Country Link
US (1) US6118541A (de)
EP (1) EP0950891B1 (de)
DE (1) DE69937267T2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6318158B1 (en) * 2000-03-01 2001-11-20 Coulter International Corp. Sample preparation and delivery system employing external sonicator
US10222322B2 (en) * 2017-06-08 2019-03-05 Rosemount Inc. Colorimetric analyzer with improved error detection
IT201900013251A1 (it) * 2019-07-29 2021-01-29 Agenzia Naz Per Le Nuove Tecnologie Lenergia E Lo Sviluppo Economico Sostenibile Enea Stazione fotometrica per l’analisi diagnostica in vitro mediante l’utilizzo di dispositivi optoelettronici a base organica e di cristalli fotonici

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU75276A1 (de) * 1976-07-01 1978-02-08
JPS54131985A (en) * 1978-04-05 1979-10-13 Hitachi Ltd Two-wavelength spectrophotometer
JPS60340B2 (ja) * 1980-03-06 1985-01-07 工業技術院長 スルファミン酸グアニジンの製造法
JPS5782753A (en) * 1980-11-10 1982-05-24 Hitachi Ltd Method and device for analysis with automatic setting of reaction limit
US4603154A (en) * 1983-02-16 1986-07-29 Marathon Oil Company Method for preparing dilute polymer solutions
EP0173021B1 (de) * 1984-06-27 1992-05-20 Wako Pure Chemical Industries, Ltd. Verfahren zur Bestimmung von Endotoxin
US4863693A (en) * 1984-08-21 1989-09-05 E. I. Du Pont De Nemours And Company Analysis instrument having a blow molded reaction chamber
DE3439181C2 (de) * 1984-10-23 1994-01-20 Lange Gmbh Dr Bruno Verfahren zur photometrischen Bestimmung der Konzentration einer Substanz
US5128103A (en) * 1990-12-14 1992-07-07 E. I. Du Pont De Nemours And Company Apparatus for automatically processing magnetic solid phase reagents
US5216409A (en) * 1991-09-03 1993-06-01 General Motors Corporation Method and apparatus for detecting a contaminated alcohol-gasoline fuel mixture
US5946088A (en) * 1994-05-03 1999-08-31 Pfizer Inc. Apparatus for mixing and detecting on-line homogeneity
US5854011A (en) * 1996-12-19 1998-12-29 Idexx Laboratories Incorporated Method and components for the detection of yeasts and/or molds in a sample

Also Published As

Publication number Publication date
EP0950891A1 (de) 1999-10-20
DE69937267T2 (de) 2008-07-10
US6118541A (en) 2000-09-12
EP0950891B1 (de) 2007-10-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: SIEMENS HEALTHCARE DIAGNOSTICS INC., DEERFIELD, US

8328 Change in the person/name/address of the agent

Representative=s name: PLATE SCHWEITZER ZOUNEK PATENTANWAELTE, 65203 WIES