| 发明名称 |
Copolymers of tetrahydrofuran, ethylene oxide and an additional cyclic ether |
| 摘要 |
A copolymer with recurring constituent units derived by polymerizing tetrahydrofuran, ethylene oxide and at least one additional cyclic ether that can be substituted or unsubstituted that decreases the hydrophilicity imparted to the copolymer by the ethylene oxide.
|
| 申请公布号 |
US6989432(B2) |
申请公布日期 |
2006.01.24 |
| 申请号 |
US20030338396 |
申请日期 |
2003.01.08 |
| 申请人 |
INVISTA NORTH AMERICA S.A.R.L. |
发明人 |
PRUCKMAYR GERFRIED;PALMER, JR. CHARLES FRANCIS;LODOEN GARY ARTHUR |
| 分类号 |
C08G65/04;C08G65/20;C07C43/04;C08G18/48;C08G65/08;C08G65/18;C08G65/22;D01F6/70 |
主分类号 |
C08G65/04 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
