(19)
(11) EP 3 758 489 A1

(12)

(43) Date of publication:
06.01.2021 Bulletin 2021/01

(21) Application number: 19761205.4

(22) Date of filing: 22.01.2019
(51) International Patent Classification (IPC): 
A01N 37/16(2006.01)
B08B 9/08(2006.01)
(86) International application number:
PCT/US2019/014462
(87) International publication number:
WO 2019/168607 (06.09.2019 Gazette 2019/36)
(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:
KH MA MD TN

(30) Priority: 28.02.2018 US 201815908163

(71) Applicant: NCH Corporation
Irving, Texas 75062 (US)

(72) Inventors:
  • DREWNIAK, Marta
    Carrollton, TX 75007 (US)
  • STEIMEL, Lyle, H.
    Flower Mound, TX 75022 (US)
  • LIST, James, Victor
    Irving, TX 75062 (US)
  • HOLDER, Cory, J.
    Irving, TX 75062 (US)
  • BOYETTE, Scott, M.
    Irving, TX 75063 (US)

(74) Representative: Grünecker Patent- und Rechtsanwälte PartG mbB 
Leopoldstraße 4
80802 München
80802 München (DE)

   


(54) SYSTEM AND METHOD FOR AUTOMATED CONTROL, FEED, DELIVERY VERIFICATION, AND INVENTORY MANAGEMENT OF CORROSION AND SCALE TREATMENT PRODUCTS FOR WATER SYSTEMS