(19)
(11) EP 4 816 868 A1

(12)

(43) Date of publication:
07.10.2026 Bulletin 2026/41

(21) Application number: 24898489.0

(22) Date of filing: 15.11.2024
(51) International Patent Classification (IPC): 
G02B 6/44(2006.01)
G02B 6/10(2006.01)
(52) Cooperative Patent Classification (CPC):
G02B 6/4434; G02B 6/4413; G02B 6/4433
(86) International application number:
PCT/US2024/056035
(87) International publication number:
WO 2025/117206 (05.06.2025 Gazette 2025/23)
(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: 29.11.2023 US 202363603799 P

(71) Applicant: Corning Research & Development Corporation
Corning, New York 14831 (US)

(72) Inventors:
  • ELLWANGER, Michael Rhea
    Hickory, North Carolina 28602 (US)
  • KOVALCHUK, Andrii
    90-457 Lodz, Voivodeship (PL)
  • KRAWCZYK, Marcin Mateusz
    92-508 Lodz, Lodzkie (PL)
  • LIPIEC, Anna
    92-305 Lodz (PL)
  • OLSZEWSKI, Sebastian
    95-070 Aleksandrów, Lódzki (PL)
  • STOLARCZYK, Tomasz
    95-010 Swedów (PL)
  • WEI, Yaochi
    Painted Post, New York 14870 (US)
  • ZHANG, Zhiye
    Hickory, North Carolina 28602 (US)

(74) Representative: Sturm, Christoph 
Patentanwälte Sturm Weilnau Franke Partnerschaft mbB Unter den Eichen 5 (Haus C-Süd)
65195 Wiesbaden
65195 Wiesbaden (DE)

   


(54) OPTICAL FIBER CABLE CONFIGURED FOR LOW ATTENUATION CHANGE DURING CRUSH EVENTS