发明名称 Shaped body of at least two polymerized materials and method to make same
摘要 A shaped body is manufactured from at least two polymerized materials with one polymerized material being swellable relative to the other polymerized material. The shaped body is formed having sections of the first material, the second material and a substantially random copolymer of the first and second materials as a transition section between the first and second sections.
申请公布号 US4208362(A) 申请公布日期 1980.06.17
申请号 US19760667833 申请日期 1976.03.22
申请人 BAUSCH & LOMB INC 发明人 DEICHERT, WILLIAM G;FALCETTA, JOSEPH J;SU, KAI C
分类号 B29C39/12;B29C39/22;B29D11/00;B29L11/00;G02B1/04;G02C7/04;(IPC1-7):B29D11/00 主分类号 B29C39/12
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