发明授权
US4320024A Hydraulic fluids containing cyano derivatives of cyclic ketals and
acetals
失效
含有环状缩酮和缩醛的氰基衍生物的液压油
- 专利标题: Hydraulic fluids containing cyano derivatives of cyclic ketals and acetals
- 专利标题(中): 含有环状缩酮和缩醛的氰基衍生物的液压油
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申请号: US159332申请日: 1980-06-16
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公开(公告)号: US4320024A公开(公告)日: 1982-03-16
- 发明人: Robert L. Reierson , Bart J. Bremmer , Joseph W. Hanafin
- 申请人: Robert L. Reierson , Bart J. Bremmer , Joseph W. Hanafin
- 申请人地址: MI Midland
- 专利权人: The Dow Chemical Company
- 当前专利权人: The Dow Chemical Company
- 当前专利权人地址: MI Midland
- 主分类号: C10M111/00
- IPC分类号: C10M111/00 ; C10M133/24 ; C10M159/04 ; C09K5/00
摘要:
Hydraulic fluids having high wet equilibrium reflux boiling points, good chemical stability and other desirable characteristics are made from certain cyano-substituted derivatives of cyclic ketals or acetals of the formula ##STR1## wherein A, B and R are specified radicals.
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