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EP 3 510 386 A1

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(43) Date of publication: 17.07.2019 Bulletin 2019/29 (21) Application number: 17849250.0 (22) Date of filing: 31.07.2017

(51) International Patent Classification (IPC):  G01N 27/14(2006.01) G01N 33/22(2006.01) G01N 27/16(2006.01) (86) International application number: PCT/US2017/044735 (87) International publication number: WO 2018/048517 (15.03.2018 Gazette 2018/11)

(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: 08.09.2016 US 201662384798 P 08.09.2016 US 201662384803 P 09.09.2016 US 201662385688 P 21.09.2016 US 201662397587 P 18.10.2016 US 201662409706 P 24.02.2017 US 201762463230 P 19.04.2017 US 201715491311 (71) Applicant: Industrial Scientific Corporation Pittsburgh, PA 15205-7500 (US)

(72) Inventors: WANG, Chuan-Bao Franklin Park, Pennsylvania 15143 (US) SALVETTI, Kathryn Pittsburgh, Pennsylvania 15217 (US) WANG, Yong Mars, Pennsylvania 16046 (US) MOZZOCCHI, Lisa Pittsburgh, Pennsylvania 15205 (US) AN, Ling Pittsburgh, Pennsylvania 15204 (US) CORNELIUS, Richard, E. Ambridge, Pennsylvania 15003 (US) PAVLISKO, Bryan, James Aliquippa, Pennsylvania 15001 (US) HUGHES, Charles, Dennis Moon Township, Pennsylvania 15108 (US) BELSKI, Timothy, James Washington, Pennsylvania 15301 (US) (74) Representative: Findlay, Alice Rosemary  Reddie & Grose LLP The White Chapel Building 10 Whitechapel High Street London E1 8QS London E1 8QS (GB)