(19)
(11) EP 2 823 294 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
13.07.2016 Bulletin 2016/28

(45) Mention of the grant of the patent:
18.05.2016 Bulletin 2016/20

(21) Application number: 12791829.0

(22) Date of filing: 06.03.2012
(51) International Patent Classification (IPC): 
G01N 27/414(2006.01)
 G01N 27/416(2006.01)
(86) International application number:
PCT/GB2012/050494
(87) International publication number:
WO 2013/132202 (12.09.2013 Gazette 2013/37)

(54)

METHOD AND APPRATUS FOR MEASURING CHEMICAL ION CONCENTRATION USING A FEEDBACK-CONTROLLED TITRATOR

VERFAHREN UND VORRICHTUNG ZUR MESSUNG VON CHEMISCHER IONENKONZENTRATION UNTER VERWENDUNG EINER FEEDBACKGESTEUERTEN TITRIERVORRICHTUNG

PROCÉDÉ ET APPAREIL PERMETTANT DE MESURER LA CONCENTRATION D'IONS CHIMIQUES AU MOYEN D'UN TITRATEUR CONTRÔLÉ PAR RÉTROACTION

(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(43) Date of publication of application:
14.01.2015 Bulletin 2015/03

(73) Proprietor: DNAE Group Holdings Limited
London W12 7 SB (GB)

(72) Inventors:
  • TOUMAZOU, Christofer
    London W12 7SB, (GB)
  • LIU, Yan
    London W12 7SB, (GB)

(74) Representative: Lind, Robert 
Marks & Clerk LLP Fletcher House Heatley Road The Oxford Science Park
Oxford OX4 4GE
Oxford OX4 4GE (GB)


(56) References cited: : 
US-A1- 2010 255 595
   
  • BART H. VAN DER SCHOOT ET AL: "The pH-static enzyme sensor: An ISFET-based enzyme sensor, insensitive to the buffer capacity of the sample", ANALYTICA CHIMICA ACTA, vol. 199, 1 January 1987 (1987-01-01), pages 157-160, XP055049931, ISSN: 0003-2670, DOI: 10.1016/S0003-2670(00)82807-X
  • VAN DER SCHOOT B H ET AL: "The pH-static enzyme sensor: Design of the pH control system", SENSORS AND ACTUATORS B: CHEMICAL: INTERNATIONAL JOURNAL DEVOTED TO RESEARCH AND DEVELOPMENT OF PHYSICAL AND CHEMICAL TRANSDUCERS, ELSEVIER S.A, SWITZERLAND, vol. 1, no. 1-6, 1 January 1990 (1990-01-01), pages 546-549, XP027419771, ISSN: 0925-4005 [retrieved on 1990-01-01]
  • VAN DER SCHOOT B ET AL: "An ISFET-based microlitre titrator: integration of a chemical sensor-actuator system", SENSORS AND ACTUATORS, ELSEVIER, SWITZERLAND, vol. 8, no. 1, 1 September 1985 (1985-09-01), pages 11-22, XP026555589, ISSN: 0250-6874, DOI: 10.1016/0250-6874(85)80020-2 [retrieved on 1985-09-01]
   
Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).