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Home › Polycarbonate copolymer of spirobisindan and bisphenol-A, method of preparing such a copolymer and optical components of such a copolymer

Polycarbonate copolymer of spirobisindan and bisphenol-A, method of preparing such a copolymer and optical components of such a copolymer

US Patent 5424389 · Granted Jun 13, 1995

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