| 发明名称 |
POLYSACCHARIDES, METHODS FOR PREPARING SUCH POLYSACCHARIDES AND FLUIDS UTILIZING SUCH POLYSACCHARIDES |
| 摘要 |
<p>POLYSACCHARIDES, METHODS FOR PREPARING SUCH POLYSACCHARIDES AND FLUIDS UTILIZING SUCH POLYSACCHARIDES Water-soluble polysaccharides, including cellulose ethers, containg pendent vicinal dihydroxy structure capable of cis geometry, which upon crosslinking with a polyvalent metal, have shear-thermal stability characteristics of at least about 30 at 250.degree.F., are useful in oilfield applications.</p> |
| 申请公布号 |
CA1246555(A) |
申请公布日期 |
1988.12.13 |
| 申请号 |
CA19850484364 |
申请日期 |
1985.06.18 |
| 申请人 |
UNION CARBIDE CORPORATION |
发明人 |
BRODE, GEORGE L.;STANLEY, JAMES P.;PARTAIN, EMMETT M., III |
| 分类号 |
C08B11/193;C06B45/00;C08B5/00;C08B11/20;C08B15/00;C09K3/00;C09K8/04;C09K8/68;C09K8/88;C09K8/90;(IPC1-7):C08B11/04;C09K7/02 |
主分类号 |
C08B11/193 |
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代理人 |
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