The shape-memory biodegradable resin for manufacture shaped spectacle frames and shaped eyeglass frame

摘要

PROBLEM TO BE SOLVED: To obtain the subject compact causing no trouble by skin contact when glasses are used, having excellent resistance to corrosion, and causing less problem in waste treatment after disposed. ;SOLUTION: This compact is obtained by a known method from an aliphatic polyester-based biodegradable polymer, particularly polylactic acid. The glass frame compact includes nose pad 1a, front 1b, end piece 2b, temple 12a, compact body 1 or 2 comprising two or more of these, and lens for demonstration.;COPYRIGHT: (C)1999,JPO