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公开(公告)号:US2901443A
公开(公告)日:1959-08-25
申请号:US56969656
申请日:1956-03-06
Applicant: HOECHST AG
Inventor: WERNER STARCK , HANS STARCK , FELIX SCHULDE
CPC classification number: C08G59/52 , C08G59/5066 , C08G73/02
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2.Process for preparing highly viscous soluble polyvinylalcohols 失效
Title translation: 制备高粘度可溶性聚乙烯醇的方法公开(公告)号:US2860124A
公开(公告)日:1958-11-11
申请号:US54702255
申请日:1955-11-15
Applicant: HOECHST AG
Inventor: WERNER STARCK , HANS STARCK
IPC: H04R1/12
CPC classification number: H04R1/12
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