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1.
公开(公告)号:US3341502A
公开(公告)日:1967-09-12
申请号:US43346965
申请日:1965-02-17
Applicant: BAYER AG
Inventor: GOTTFRIED PAMPUS , HANS HOLTSCHMIDT , HELMUT FREYTAG
IPC: C08C19/20 , C08C19/22 , C08F8/30 , C08G18/28 , C08G18/32 , C08G18/69 , C08G18/71 , C08G18/72 , C08G18/77
CPC classification number: C08C19/20 , C08C19/22 , C08F8/30 , C08G18/2805 , C08G18/3225 , C08G18/69 , C08G18/715 , C08G18/72 , C08G18/775
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公开(公告)号:US3135735A
公开(公告)日:1964-06-02
申请号:US14549961
申请日:1961-10-16
Applicant: BAYER AG
Inventor: HUGO MALZ , OTTO BAYER , HELMUT FREYTAG , ENGELBERT KUHLE
IPC: C09B43/40
CPC classification number: C09B43/40
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3.
公开(公告)号:US2815336A
公开(公告)日:1957-12-03
申请号:US51923355
申请日:1955-06-30
Applicant: BAYER AG
Inventor: HELMUT FREYTAG , FRIEDRICH LOBER , RICHARD WEGLER , JULIUS PETER
IPC: C08K5/405
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4.Process for the production of butadiene polymers modified by an isocyanate sulfene chloride 失效
Title translation: 生产由异氰酸酯亚硫酰氯改性的丁二烯聚合物的方法公开(公告)号:US3370033A
公开(公告)日:1968-02-20
申请号:US45200165
申请日:1965-04-29
Applicant: BAYER AG
Inventor: JOSEF WITTE , NIKOLAUS SCHON , GOTTFRIED PAMPUS , HANS HOLTSCHMIDT , HELMUT FREYTAG
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公开(公告)号:US2891059A
公开(公告)日:1959-06-16
申请号:US72238258
申请日:1958-03-19
Applicant: BAYER AG
Inventor: HUGO MALZ , OTTO BAYER , HELMUT FREYTAG , FRIEDRICH LOBER
IPC: C07F9/165
CPC classification number: C07F9/1657
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6.Process for the preparation of isocyanates containing thioether groups 失效
Title translation: 制备含硫醚基团的异氰酸酯的方法公开(公告)号:US3409631A
公开(公告)日:1968-11-05
申请号:US43349065
申请日:1965-02-17
Applicant: BAYER AG
Inventor: HANS HOLTSCHMIDT , HELMUT FREYTAG
IPC: C07D229/00 , C07D277/78
CPC classification number: C07D277/78 , C07D229/00
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公开(公告)号:US3397184A
公开(公告)日:1968-08-13
申请号:US43695065
申请日:1965-03-03
Applicant: BAYER AG
Inventor: WOLFGANG HEYDKAMP , WILHELM KALLERT , ERWIN MULLER , HELMUT FREYTAG
CPC classification number: C08G18/87 , C08G18/0814 , C08G18/10 , C08G18/3823 , C08G18/675 , C08G18/678 , C08G18/83
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8.Method for the manufacture of nu-phenyl-nu-(4-nitrosophenyl)-hydroxylamine 失效
Title translation: 制备N-苯基-Nu-(4-亚硝基苯基) - 羟胺的方法公开(公告)号:US3142705A
公开(公告)日:1964-07-28
申请号:US18293562
申请日:1962-03-27
Applicant: BAYER AG
Inventor: HELMUT FREYTAG , ERICH KLAUKE , HUGO WILMS , ERNST ROOS , JOACHIM GEORGE
CPC classification number: C07D261/04
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公开(公告)号:US3069398A
公开(公告)日:1962-12-18
申请号:US3460560
申请日:1960-06-03
Applicant: BAYER AG
Inventor: HELMUT FREYTAG , LIESELOTTE LOBER , HANS POHLE
IPC: C08K5/00
CPC classification number: C08K5/0025 , C08L21/00
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10.Age resisters and stabilized rubber compositions containing same 失效
Title translation: 抗老化剂和含有它们的稳定的橡胶组合物公开(公告)号:US3344109A
公开(公告)日:1967-09-26
申请号:US55089966
申请日:1966-05-18
Applicant: BAYER AG
Inventor: KURT LEY , WOLFGANG REDETZKY , HELMUT FREYTAG
IPC: C07D295/096 , C07D307/77 , C08G2/00 , C08K5/00 , C08K5/17 , C08K5/34 , C08K5/3415 , C08K5/3435 , C08K5/3462 , C08K5/35 , C08L29/04
CPC classification number: C07D295/096 , C07D307/77 , C08K5/0025 , C08K5/17 , C08K5/34 , C08K5/3415 , C08K5/3435 , C08K5/3462 , C08K5/35 , C08L29/04 , Y10S524/925 , C08L29/12 , C08L21/00 , C08L2666/04
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