(19)
(11) EP 4 536 716 A1

(12)

(43) Date of publication:
16.04.2025 Bulletin 2025/16

(21) Application number: 23736196.9

(22) Date of filing: 09.06.2023
(51) International Patent Classification (IPC): 
C08B 15/02(2006.01)
C08L 1/04(2006.01)
(52) Cooperative Patent Classification (CPC):
C08L 1/04; C08B 15/02
(86) International application number:
PCT/IB2023/055981
(87) International publication number:
WO 2023/238102 (14.12.2023 Gazette 2023/50)
(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:
KH MA MD TN

(30) Priority: 10.06.2022 IT 202200012359

(71) Applicant: Coffeefrom S.r.l
20122 Milano (IT)

(72) Inventors:
  • DE NARDO, Luigi
    20131 Milano (IT)
  • PASTORI, Nadia
    20131 Milano (IT)
  • RIVA, Laura
    20131 Milano (IT)
  • PUNTA, Carlo
    20131 Milano (IT)
  • GALLO, Laura
    20085 Locate di Triulzi (MI) (IT)
  • CASARI, Giancarlo
    20085 Locate di Triulzi (MI) (IT)

(74) Representative: Morabito, Sara et al
Cantaluppi & Partners S.r.l. Piazzetta Cappellato Pedrocchi, 18
35122 Padova
35122 Padova (IT)

   


(54) METHOD FOR PREPARING OXIDIZED CELLULOSE NANOFIBRES FROM COFFEE GROUNDS AND NANOFIBRES THEREBY OBTAINED