| 发明名称 |
DIALKYL FUMARATE-VINYL ACETATE COPOLYMERS USEFUL AS DEWAXING AIDS |
| 摘要 |
Copolymers of dialkyl fumarate and vinyl acetate having Specific Viscosities of at least 2.5 at 2% polymer concentration in xylene at 40 DEG C., and wherein at least 50 wt. % of said alkyl groups are C20 to C24, are useful as dewaxing aids, particularly in propane dewaxing. |
| 申请公布号 |
DE3563355(D1) |
申请公布日期 |
1988.07.21 |
| 申请号 |
DE19853563355 |
申请日期 |
1985.02.22 |
| 申请人 |
EXXON RESEARCH AND ENGINEERING COMPANY |
发明人 |
DEKRAKER, ABRAHAM ROBERT;MARTELLA, DAVID JOHN |
| 分类号 |
C08F218/00;C08F218/02;C08F218/08;C08F220/00;C08F220/10;C08F222/10;C08F222/14;C10G73/04;(IPC1-7):C08F218/08 |
主分类号 |
C08F218/00 |
| 代理机构 |
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