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1.Articles consisting of synthetic linear polymers and method for their manufacture 失效
Title translation: 由合成线性聚合物组成的制品及其制造方法公开(公告)号:US2960489A
公开(公告)日:1960-11-15
申请号:US72425658
申请日:1958-03-27
Applicant: INVENTA AG
Inventor: RUDOLF GABLER , WALTER ZEHNDER
IPC: C08K13/02
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2.Continuous process for the extraction of monomers and oligomers from highly polymerized caprolactam granules 失效
Title translation: 从高度聚合的己内酰胺颗粒中提取单体和低聚物的连续方法公开(公告)号:US3374207A
公开(公告)日:1968-03-19
申请号:US41228264
申请日:1964-11-12
Applicant: INVENTA AG
Inventor: KASPAR RYFFEL , WALTER ZEHNDER
IPC: C08G69/46
CPC classification number: C08G69/46
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公开(公告)号:US3112188A
公开(公告)日:1963-11-26
申请号:US85928059
申请日:1959-12-14
Applicant: INVENTA AG
Inventor: WALTER ZEHNDER
IPC: F26B17/14
CPC classification number: F26B17/14
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公开(公告)号:US2993879A
公开(公告)日:1961-07-25
申请号:US61339856
申请日:1956-10-02
Applicant: INVENTA AG
Inventor: RUDOLF GABLER , JOHANN GIESEN , WALTER ZEHNDER
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5.Process for extraction of monomeric caprolactam from its polymer 失效
Title translation: 从其聚合物中提取单体己内酰胺的方法公开(公告)号:US3047565A
公开(公告)日:1962-07-31
申请号:US85381459
申请日:1959-11-18
Applicant: INVENTA AG
Inventor: WILHELM BRAUN , WALTER ZEHNDER
IPC: C08G69/46
CPC classification number: C08G69/46 , Y10S159/10
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公开(公告)号:CH395970A
公开(公告)日:1965-07-31
申请号:CH838060
申请日:1960-07-23
Applicant: INVENTA AG
Inventor: WALTER ZEHNDER , RYFFEL KASPAR DR
IPC: C07D493/08
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公开(公告)号:CH343373A
公开(公告)日:1959-12-31
申请号:CH343373D
申请日:1956-02-02
Applicant: INVENTA AG
Inventor: WALTER ZEHNDER , GABLER RUDOLF DR , BARMAN EMILE DR , CARL MAYER
IPC: B01J8/18
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公开(公告)号:FI36202A
公开(公告)日:1966-09-10
申请号:FI36202D
申请日:1961-05-23
Applicant: INVENTA AG
Inventor: WALTER ZEHNDER , KASPAR RYFFEL
IPC: C07C49/38
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公开(公告)号:CH393740A
公开(公告)日:1965-06-15
申请号:CH7223359
申请日:1959-04-18
Applicant: INVENTA AG
Inventor: RYFFEL KASPAR DR , WALTER ZEHNDER , ELMAR GANGL
IPC: C08G69/14
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公开(公告)号:CH392494A
公开(公告)日:1965-05-31
申请号:CH811360
申请日:1960-07-16
Applicant: INVENTA AG
Inventor: ELMAR GANGL , RYFFEL KASPAR DR , WALTER ZEHNDER
IPC: C07C45/33 , C07C409/14 , C07C409/16
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