(19)
(11) EP 3 243 096 A1

(12)

(43) Date of publication:
15.11.2017 Bulletin 2017/46

(21) Application number: 16735477.8

(22) Date of filing: 08.01.2016
(51) International Patent Classification (IPC): 
G02B 27/00(2006.01)
B65G 45/22(2006.01)
 G01N 21/15(2006.01)
(86) International application number:
PCT/US2016/012648
(87) International publication number:
WO 2016/112291 (14.07.2016 Gazette 2016/28)
(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
Designated Extension States:
BA ME
Designated Validation States:
MA MD

(30) Priority: 08.01.2015 US 201514592219
14.01.2015 US 201514596691

(71) Applicant: Ecolab USA Inc.
St. Paul, MN 55102 (US)

(72) Inventors:
  • HICKS, Peter D.
    Aurora, Illinois 60504 (US)
  • LI, Hui
    Bolingbrook, Illinois 60490 (US)
  • BRADLEY, Michael E.
    Shorewood, Illinois 60404 (US)
  • MURCIA, Michael J.
    Dekalb, Illinois 60115 (US)
  • BANKS, Rodney H.
    Loda, Illinois 60948 (US)
  • SCHWARTZ, Joe L.
    Aurora, Illinois 60504 (US)

(74) Representative: Godemeyer Blum Lenze Patentanwälte Partnerschaft mbB - werkpatent 
An den Gärten 7
51491 Overath
51491 Overath (DE)

   


(54) METHOD OF OBTAINING OR MAINTAINING OPTICAL TRANSMITTANCE INTO DEAERATED LIQUID