(19)
(11) EP 4 497 162 A2

(12)

(88) Date of publication A3:
30.11.2023

(43) Date of publication:
29.01.2025 Bulletin 2025/05

(21) Application number: 23775842.0

(22) Date of filing: 21.03.2023
(51) International Patent Classification (IPC): 
H01M 4/136(2010.01)
C01B 33/025(2006.01)
C01B 32/05(2017.01)
(52) Cooperative Patent Classification (CPC):
Y02E 60/10; H01M 4/386; D01F 11/12; C04B 41/4584; C04B 41/009; C04B 41/85; C04B 41/87; C04B 2111/00853; H01M 10/0525; H01M 2004/027; H01M 2004/021; H01M 4/134; H01M 4/133; H01M 4/1393; H01M 4/1395; H01M 4/364; H01M 4/583
 
C-Sets:
  1. C04B 41/4584, C04B 41/4531, C04B 41/5096;
  2. C04B 41/4584, C04B 41/4531, C04B 41/5001;
  3. C04B 41/009, C04B 38/00, C04B 35/52;

(86) International application number:
PCT/US2023/064763
(87) International publication number:
WO 2023/183800 (28.09.2023 Gazette 2023/39)
(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: 21.03.2022 US 202263269652 P

(71) Applicant: Unifrax I LLC
Tonawanda, NY 14150 (US)

(72) Inventors:
  • ZHAO, Donghui
    Tonawanda, New York 14150 (US)
  • CHENG, Wenbo
    Tonawanda, New York 14150 (US)

(74) Representative: Barker Brettell LLP 
100 Hagley Road Edgbaston
Birmingham B16 8QQ
Birmingham B16 8QQ (GB)

   


(54) SILICON-CARBON COMPOSITE FIBER