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EP 4 798 663 A1

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(43) Date of publication: 02.09.2026 Bulletin 2026/36 (21) Application number: 25867263.3 (22) Date of filing: 08.01.2025

(51) International Patent Classification (IPC):  C09D 163/00(2006.01) C09D 7/43(2018.01) C08G 59/18(2006.01) H02K 1/04(2006.01) C09D 7/63(2018.01) C09D 5/00(2006.01) C08G 59/68(2006.01) H02K 15/12(2025.01) (86) International application number: PCT/US2025/010702 (87) International publication number: WO 2026/151424 (16.07.2026 Gazette 2026/29)

(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 (71) Applicants: Uniseal, Inc. Evansville, IN 47710 (US) Veeraraghavan, Thanikaivelan, Tindivanam Newburgh, IN 47630 (US) Sengotaiyan, Karthikeyan Newburgh, IN 47630 (US) Veeraraghavan, Senthilkumar Newburgh, IN 47630 (US)

(72) Inventors: VEERARAGHAVAN, Thanikaivelan Tindivanam Newburgh, IN 47630 (US) SENGOTAIYAN, Karthikeyan Newburgh, IN 47630 (US) VEERARAGHAVAN, Senthilkumar Newburgh, IN 47630 (US) (74) Representative: Thompson, Trevor George  Karssen Limited Suite LP49781 20-22 Wenlock Road London N1 7GU London N1 7GU (GB)