(19)
(11) EP 4 798 672 A1

(12)

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

(21) Application number: 24883496.2

(22) Date of filing: 28.10.2024
(51) International Patent Classification (IPC): 
C09J 189/00(2006.01)
C09D 189/00(2006.01)
 D06M 15/15(2006.01)
D06N 3/00(2006.01)
(52) Cooperative Patent Classification (CPC):
C08H 1/00; D06N 2211/28; D06N 3/00; D06M 13/238; D06N 3/0047; D06N 3/0077; D06N 2203/02; D06N 2203/024; D06M 13/005; G01N 33/367
 
C-Sets:
  1. C08L 5/00, C08L 89/00, C08K 5/053;
  2. C08L 89/00, C08L 5/00, C08K 5/053;
  3. C08L 89/00, C08L 5/04, C08K 5/053;
  4. C08L 5/04, C08K 5/053;
  5. C08L 5/04, C08L 89/00, C08K 5/053;
(86) International application number:
PCT/US2024/053221
(87) International publication number:
WO 2025/091012 (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 202363593776 P
11.06.2024 US 202463658745 P

(71) Applicant: Trustees of Tufts College
Medford, MA 02155 (US)

(72) Inventors:
  • OMENETTO, Fiorenzo G.
    Medford, Massachusetts 02155 (US)
  • LO PRESTI, Marco
    Medford, Massachusetts 02155 (US)

(74) Representative: Marks & Clerk LLP 
15 Fetter Lane
London EC4A 1BW
London EC4A 1BW (GB)

   


(54) IMPROVED SILK LEATHER AND METHODS OF MAKING AND USING THE SAME