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公开(公告)号:ZA784815B
公开(公告)日:1979-09-26
申请号:ZA784815
申请日:1978-08-24
Applicant: HOECHST AG
IPC: C07D221/00 , C07D263/00 , C07D498/10 , C07D498/20 , C08K5/35 , C09D , C08K
Abstract: The invention provides novel 4-carbamoyl derivatives of 1-oxa-3-oxo-4,8-diaza-spiro-[4,5]-decanes and their preparation from 1 oxa-3-oxo-4,8-diaza-spiro-[4,5]-decanes and isocyanates. The products are suitable light stabilizers for thermoplastics.
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公开(公告)号:ZA7801466B
公开(公告)日:1979-04-25
申请号:ZA7801466
申请日:1978-03-14
Applicant: HOECHST AG
IPC: C07C243/32 , C07C243/36 , C07F9/22 , C07F9/24 , C08K5/25 , C08K5/49 , C08K5/5399 , C07C109/00
CPC classification number: C08K5/25 , C07C243/32 , C07C243/36 , C07C2601/08 , C07F9/228 , C07F9/2491 , C08K5/49 , C08K5/5399 , C08L23/02
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