(19)
(11) EP 4 823 735 A1

(12)

(43) Date of publication:
21.10.2026 Bulletin 2026/43

(21) Application number: 24828687.4

(22) Date of filing: 11.12.2024
(51) International Patent Classification (IPC): 
B01J 13/16(2006.01)
(52) Cooperative Patent Classification (CPC):
B01J 13/16; C11D 17/0039; C11D 3/505; A01N 25/28; A23P 10/30; D06M 23/12
(86) International application number:
PCT/US2024/059515
(87) International publication number:
WO 2025/128667 (19.06.2025 Gazette 2025/25)
(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: 13.12.2023 US 202363609413 P

(71) Applicant: Encapsys, LLC
Spartanburg, South Carolina 29303 (US)

(72) Inventors:
  • FENG, Linsheng
    Appleton, Wisconsin 54915 (US)
  • MALAGON GOMEZ, Sonia Marcela
    Appleton, Wisconsin 54915 (US)
  • BARDSLEY, Travis Ian
    Appleton, Wisconsin 54915 (US)
  • VALENTI, Dominick Joseph
    Spartanburg, South Carolina 29303 (US)
  • COLLU, Mattia
    1853 Strombeek-bever (BE)
  • TAHON, Cedric Marc
    1853 Strombeek-bever (BE)
  • SMETS, Johan
    1853 Strombeek-bever (BE)
  • WALRAVENS, Wouter
    1853 Strombeek-bever (BE)
  • LABIE, Julien
    B1853 Strombeek-bever (BE)
  • CAICEDO CASSO, Eduard Andres
    Cincinnati, Ohio 45202 (US)
  • DYTER, Zoe
    Newcastle upon Tyne, NE12 9TS (GB)
  • VERSTRAETE, Pierre Daniel
    1853 Strombeek-bever (BE)
  • ORLANDINI, Laura
    1853 Strombeek-bever (BE)
  • SAVEYN, Pieter Jan Maria
    1853 Strombeek-bever (BE)

(74) Representative: Carpmaels & Ransford LLP 
One Southampton Row
London WC1B 5HA
London WC1B 5HA (GB)

   


(54) DEGRADABLE DELIVERY PARTICLES FROM MIXED ISOCYANATES COMPRISING AN AROMATIC MOIETY AND CHITOSAN