发明授权
US5274072A Polyester composition having copolymerized therein a light absorbing compound 失效
在其中共聚有光吸收化合物的聚酯组合物

Polyester composition having copolymerized therein a light absorbing
compound
摘要:
Provided are certain novel substituted 2(5H)furanone compounds which are useful as ultraviolet/visible light absorbing compounds. Also provided are polyester compositions having such compounds copolymerized therein and shaped or formed articles comprised of such polyester compositions.
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