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1.发明授权Non-crystallizable copolycarbonate/urethane resins prepared from 2, 2, 4, 4-tetraalkyl-1, 3-cyclobutanediol and a piperazine 失效由2,4,4-四烷基-1,3-环丁二醇和哌嗪制备的不可结晶的共聚碳酸酯/聚氨酯树脂
公开(公告)号：US3402150A
公开(公告)日：1968-09-17
申请号：US51308665
申请日：1965-12-10
Applicant: UNION CARBIDE CORP
Inventor： GARDIKES JOHN J , MARKUS MATZNER
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2.发明授权Carboxy terminated polyesters prepared from tribasic acid anhydrides and hydroxy terminated polyesters 失效由三元酸酐和羟基封端的聚酯制备的羧基封端的聚酯
公开(公告)号：US3397254A
公开(公告)日：1968-08-13
申请号：US39803864
申请日：1964-09-21
Applicant: UNION CARBIDE CORP
Inventor： JOHN WYNSTRA , GARDIKES JOHN J
IPC: C08G63/20 , C08L63/00 , C09D167/00 , C09J167/00
CPC classification number: C09D167/00 , C08G63/20 , C08L63/00 , C08L2666/14 , C09J167/00 , C08L2666/18 , C08L2666/22
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