(19)
(11) EP 3 479 111 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:
12.10.2022 Bulletin 2022/41

(45) Mention of the grant of the patent:
07.09.2022 Bulletin 2022/36

(21) Application number: 17736716.6

(22) Date of filing: 28.06.2017
(51) International Patent Classification (IPC): 
G01N 29/024(2006.01)
G01N 29/24(2006.01)
G01N 29/34(2006.01)
G01N 21/3504(2014.01)
G01H 5/00(2006.01)
G01N 29/32(2006.01)
G01N 29/44(2006.01)
(52) Cooperative Patent Classification (CPC):
G01H 5/00; G01N 29/024; G01N 29/326; G01N 29/343; G01N 29/4454; G01N 2291/011; G01N 2291/0215; G01N 2291/0256; G01N 2291/02809; G01N 2291/02836; G01N 2291/048; G01N 2291/101; G01N 2291/102; G01N 21/35; G01N 21/65
(86) International application number:
PCT/GB2017/051887
(87) International publication number:
WO 2018/002612 (04.01.2018 Gazette 2018/01)

(54)

METHOD AND SENSOR FOR MEASURING SPEED OF SOUND IN GASEOUS MEDIUM

VERFAHREN UND SENSOR ZUR MESSUNG DER SCHALLGESCHWINDIGKEIT IN GASFÖRMIGEM MEDIUM

PROCÉDÉ ET CAPTEUR POUR MESURER LA VITESSE DU SON DANS UN MILIEU GAZEUX


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

(30) Priority: 30.06.2016 GB 201611446

(43) Date of publication of application:
08.05.2019 Bulletin 2019/19

(73) Proprietor: Surface Measurement Systems Ltd
Alperton, Middlesex HA0 4PE (GB)

(72) Inventors:
  • GARCIA, Armando
    Breinigsville Pennsylvania 18031 (US)
  • WILLIAMS, Daryl
    Burnham Buckinghamshire SL1 8NJ (GB)
  • BRUERE, Dirk
    Bedford Bedfordshire MK41 0NZ (GB)
  • WANG, Sihe
    London W1J 7AF (GB)
  • PRICE, Robert
    Welwyn Hertfordshire AL6 0DF (GB)

(74) Representative: Beck Greener LLP 
Fulwood House 12 Fulwood Place
London WC1V 6HR
London WC1V 6HR (GB)


(56) References cited: : 
EP-A1- 2 366 981
US-A- 5 392 635
US-A- 6 009 380
WO-A1-85/00653
US-A- 5 627 323
   
  • A. J. FLETCHER ET AL: "Multicomponent Vapor Sorption on Active Carbon by Combined Microgravimetry and Dynamic Sampling Mass Spectrometry", JOURNAL OF PHYSICAL CHEMISTRY PART B: CONDENSED MATTER, MATERIALS, SURFACES, INTERFACES & BIOPHYSICAL, vol. 106, no. 30, 1 August 2002 (2002-08-01), pages 7474-7482, XP055422085, US ISSN: 1520-6106, DOI: 10.1021/jp014625a cited in the application
  • STEFAN OTTIGER ET AL: "Competitive adsorption equilibria of CO2 and CH4 on a dry coal", ADSORPTION, KLUWER ACADEMIC PUBLISHERS, BO, vol. 14, no. 4-5, 5 March 2008 (2008-03-05), pages 539-556, XP019598521, ISSN: 1572-8757
  • LANE R A ET AL: "The novel combination of dynamic vapour sorption gravimetric analysis and near infra-red spectroscopy as a hyphenated technique", INTERNATIONAL JOURNAL OF PHARMACEUTICS, ELSEVIER, AMSTERDAM, NL, vol. 207, no. 1-2, 10 October 2000 (2000-10-10), pages 49-56, XP027380129, ISSN: 0378-5173 [retrieved on 2000-10-10] cited in the application
   
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).