发明授权
- 专利标题: Calixerene epoxide resins and hardeners
- 专利标题(中): CALIXERENE环氧树脂和硬化剂
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申请号: US832294申请日: 1992-02-07
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公开(公告)号: US5218060A公开(公告)日: 1993-06-08
- 发明人: William M. Rolfe , Michael R. Thoseby
- 申请人: William M. Rolfe , Michael R. Thoseby
- 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: GBX9103041 19910213
- 主分类号: C07D301/28
- IPC分类号: C07D301/28 ; C07D303/24 ; C08G59/04 ; C08G59/20 ; C08G59/30 ; C08G59/32 ; C08G59/42 ; C08G59/50 ; C08G59/62 ; C08G59/68
摘要:
An epoxide resin having the formula I: ##STR1## in which R.sup.1 to R.sup.4 are the same or different and each is hydrogen or C.sub.1 -C.sub.12 alkyl; R.sup.5 to R.sup.12 are the same or different and each is C.sub.1 -C.sub.12 alkyl or alkenyl or the glycidyl residue such that at least two R.sup.5 to R.sup.12 groups are glycidyl residues; and R.sup.13 to R.sup.20 are the same or different and are hydrogen, halogen C.sub.1 -C.sub.12 alkyl or alkenyl.
公开/授权文献
- US5853392A Sleeve trocar with penetration indicator 公开/授权日:1998-12-29
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