(19)
(11) EP 4 816 472 A1

(12)

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

(21) Application number: 24820870.4

(22) Date of filing: 13.11.2024
(51) International Patent Classification (IPC): 
C08L 69/00(2006.01)
(52) Cooperative Patent Classification (CPC):
C08L 69/00; C08L 2205/025; C08L 2205/03
 
C-Sets:
C08L 69/00, C08L 69/00, C08L 51/04;
(86) International application number:
PCT/US2024/055702
(87) International publication number:
WO 2025/117186 (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 202363603667 P

(71) Applicant: Rohm and Haas Company
Collegeville, PA 19426 (US)

(72) Inventor:
  • NERKAR, Manoj Gokul
    Collegeville, Pennsylvania 19426 (US)

(74) Representative: Beck Greener LLP 
Fulwood House 12 Fulwood Place
London WC1V 6HR
London WC1V 6HR (GB)

   


(54) IMPACT STRENGTH RETENTION IN AGED RECYCLED POLYCARBONATE FORMULATIONS