发明授权
US4699939A Ortho cyclohexyl, para hydroxy aralkanoic acid esters and amide
antioxidants
失效
邻苯环,对羟基芳烷酸酯和酰胺类抗氧化剂
- 专利标题: Ortho cyclohexyl, para hydroxy aralkanoic acid esters and amide antioxidants
- 专利标题(中): 邻苯环,对羟基芳烷酸酯和酰胺类抗氧化剂
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申请号: US916575申请日: 1986-10-08
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公开(公告)号: US4699939A公开(公告)日: 1987-10-13
- 发明人: Ivan Orban , Hans-Rudolf Meier , Paul Dubs , Samuel Evans , Peter Hofmann
- 申请人: Ivan Orban , Hans-Rudolf Meier , Paul Dubs , Samuel Evans , Peter Hofmann
- 申请人地址: NY Ardsley
- 专利权人: Ciba-Geigy Corporation
- 当前专利权人: Ciba-Geigy Corporation
- 当前专利权人地址: NY Ardsley
- 优先权: CHX4399/85 19851011
- 主分类号: C07B63/04
- IPC分类号: C07B63/04 ; C07B31/00 ; C07C67/00 ; C07C69/732 ; C07C69/734 ; C07C69/90 ; C07C233/18 ; C07C235/34 ; C07C235/46 ; C07C235/48 ; C07C235/50 ; C07C313/00 ; C07C323/12 ; C07C323/14 ; C07C323/41 ; C07C323/42 ; C08K5/06 ; C08K5/103 ; C08K5/13 ; C08K5/16 ; C08K5/20 ; C08K5/37 ; C08L101/00 ; C09K15/08 ; C09K15/14 ; C09K15/24 ; C09K15/28 ; C09K15/30 ; C07C69/94 ; C07C69/616
摘要:
Compounds of formula I ##STR1## wherein R.sub.1, R.sub.2 and A are essentially hydrocarbyl or substituted hydrocarbyl groups with at least one of R.sub.1 and R.sub.2 being cyclohexyl, n is 0, 1 or 2, m is an integer of 1 to 4 and X is oxygen or --N(R.sub.3)-- wherein R.sub.3 is hydrogen, C.sub.1 -C.sub.4 alkyl or phenyl.
公开/授权文献
- US5233093A Hydroformylation process and bimetallic catalyst therefor 公开/授权日:1993-08-03
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