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GB2471956B - Control means for improved performance of chromatographic separations - Google Patents

Control means for improved performance of chromatographic separations

Info

Publication number
GB2471956B
GB2471956B GB1013956A GB201013956A GB2471956B GB 2471956 B GB2471956 B GB 2471956B GB 1013956 A GB1013956 A GB 1013956A GB 201013956 A GB201013956 A GB 201013956A GB 2471956 B GB2471956 B GB 2471956B
Authority
GB
United Kingdom
Prior art keywords
control means
improved performance
chromatographic separations
separations
chromatographic
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 - Fee Related
Application number
GB1013956A
Other versions
GB201013956D0 (en
GB2471956A (en
Inventor
Hongji Liu
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.)
Waters Investments Ltd
Original Assignee
Waters Investments Ltd
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 Waters Investments Ltd filed Critical Waters Investments Ltd
Priority claimed from GB0814554A external-priority patent/GB2449575B/en
Publication of GB201013956D0 publication Critical patent/GB201013956D0/en
Publication of GB2471956A publication Critical patent/GB2471956A/en
Application granted granted Critical
Publication of GB2471956B publication Critical patent/GB2471956B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02—Column chromatography
    • G01N30/26—Conditioning of the fluid carrier; Flow patterns
    • G01N30/28—Control of physical parameters of the fluid carrier
    • G01N30/34—Control of physical parameters of the fluid carrier of fluid composition, e.g. gradient
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02—Column chromatography
    • G01N30/26—Conditioning of the fluid carrier; Flow patterns
    • G01N30/28—Control of physical parameters of the fluid carrier
    • G01N30/34—Control of physical parameters of the fluid carrier of fluid composition, e.g. gradient
    • G01N2030/347—Control of physical parameters of the fluid carrier of fluid composition, e.g. gradient mixers

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
GB1013956A 2006-02-08 2007-02-05 Control means for improved performance of chromatographic separations Expired - Fee Related GB2471956B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US77154506P 2006-02-08 2006-02-08
GB0814554A GB2449575B (en) 2006-02-08 2007-02-05 Methods and apparatus for generating solvent gradients in liquid chromatography

Publications (3)

Publication Number Publication Date
GB201013956D0 GB201013956D0 (en) 2010-10-06
GB2471956A GB2471956A (en) 2011-01-19
GB2471956B true GB2471956B (en) 2011-06-01

Family

ID=43413547

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1013956A Expired - Fee Related GB2471956B (en) 2006-02-08 2007-02-05 Control means for improved performance of chromatographic separations

Country Status (1)

Country Link
GB (1) GB2471956B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5158675A (en) * 1986-03-10 1992-10-27 Isco, Inc. Gradient system
US6139734A (en) * 1997-10-20 2000-10-31 University Of Virginia Patent Foundation Apparatus for structural characterization of biological moieties through HPLC separation
EP1544612A1 (en) * 2003-12-09 2005-06-22 Agilent Technologies, Inc. Chromatography system and method for operating the same
WO2007109157A2 (en) * 2006-03-17 2007-09-27 Waters Investments Limited Solvent delivery system for liquid chromatography that maintains fluid integrity and pre-forms gradients

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5158675A (en) * 1986-03-10 1992-10-27 Isco, Inc. Gradient system
US6139734A (en) * 1997-10-20 2000-10-31 University Of Virginia Patent Foundation Apparatus for structural characterization of biological moieties through HPLC separation
EP1544612A1 (en) * 2003-12-09 2005-06-22 Agilent Technologies, Inc. Chromatography system and method for operating the same
WO2007109157A2 (en) * 2006-03-17 2007-09-27 Waters Investments Limited Solvent delivery system for liquid chromatography that maintains fluid integrity and pre-forms gradients

Also Published As

Publication number Publication date
GB201013956D0 (en) 2010-10-06
GB2471956A (en) 2011-01-19

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20240205