(19)
(11) EP 4 797 960 A1

(12)

(43) Date of publication:
02.09.2026 Bulletin 2026/36

(21) Application number: 24794263.4

(22) Date of filing: 01.10.2024
(51) International Patent Classification (IPC): 
A01N 25/04(2006.01)
A01N 43/56(2006.01)
A01P 3/00(2006.01)
 A01N 25/30(2006.01)
A01N 59/20(2006.01)
(52) Cooperative Patent Classification (CPC):
A01N 43/56; A01P 3/00; A01P 1/00; B27K 3/52; B27K 3/22; B27K 3/18
 
C-Sets:
A01N 43/56, A01N 25/02, A01N 59/20;
(86) International application number:
PCT/US2024/049393
(87) International publication number:
WO 2025/090255 (01.05.2025 Gazette 2025/18)
(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: 27.10.2023 US 202363546044 P

(71) Applicant: Koppers Performance Chemicals Inc.
Pittsburgh PA 15219 (US)

(72) Inventors:
  • ZHANG, Jun
    Peachtree City, Georgia 30269 (US)
  • HERDMAN, Douglas
    Peachtree City, Georgia 30269 (US)
  • FERNANDES, Gregory
    Brookhaven, Georgia 30319 (US)

(74) Representative: Forresters IP LLP 
Skygarden Erika-Mann-Straße 11
80636 München
80636 München (DE)

   


(54) EMULSION CONCENTRATES, WOOD PRESERVATIVE COMPOSITIONS FORMED THEREFROM, METHODS OF MANUFACTURE THEREOF, AND METHODS OF USE THEREOF