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US 12,624,162 B2Granted
Polycarbonate copolymer
AssigneesLm Chem, Ltd., Yonsei University, University—Industry Foundation (Uif)
InventorsYoungwook Son, Hyong Min Bahn, Byeong-Su Kim, Taehyung Kim, Yeji Yu
Life of this patent
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Abstract
Provided is a polycarbonate copolymer including a repeating unit of the following Chemical Formula 1, where the polycarbonate copolymer can have improved heat resistance: wherein in Chemical Formula 1, R1, R2, n1 and n2 are as defined in the specification.
Claims11
A polycarbonate copolymer, comprising a repeating unit of Chemical Formula 1:
- wherein in Chemical Formula 1:
- R1 and R2 are each independently hydrogen, a C1-10 alkyl, a C1-10 alkoxy, or halogen;
- and
- n1 and n2 are each independently an integer of 0 to 4.
1 more element
Dependencies are inferred from the claim text.