(19)
(11) EP 4 680 944 A1

(12)

(43) Date of publication:
21.01.2026 Bulletin 2026/04

(21) Application number: 24715416.4

(22) Date of filing: 12.03.2024
(51) International Patent Classification (IPC): 
G01N 21/84(2006.01)
(52) Cooperative Patent Classification (CPC):
G01N 2021/8427; G01N 21/8422
(86) International application number:
PCT/US2024/019549
(87) International publication number:
WO 2024/192008 (19.09.2024 Gazette 2024/38)
(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
GE KH MA MD TN

(30) Priority: 14.03.2023 US 202363452045 P

(71) Applicant: Dow Global Technologies LLC
Midland, MI 48674 (US)

(72) Inventors:
  • TRAN, Michael Q.
    Collegeville, Pennsylvania 19426 (US)
  • BENEDICT, Matthew Nicholas
    Collegeville, Pennsylvania 19426 (US)

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

   


(54) ULTRAVIOLET AND INFRARED QUANTITATIVE IMAGE ANALYSIS FOR EVALUATING COATING PERFORMANCE