| 发明名称 |
Continuous process for rapid conversion of oligomers to cyclic esters |
| 摘要 |
A gas-assisted continuous process for the rapid conversion of oligomers of alpha-hydroxycarboxylic acids, esters or salts thereof to cyclic esters in high yields and high states of purity.
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| 申请公布号 |
US5023349(A) |
申请公布日期 |
1991.06.11 |
| 申请号 |
US19900520348 |
申请日期 |
1990.05.08 |
| 申请人 |
E. I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
BHATIA, KAMLESH K. |
| 分类号 |
C07D319/12 |
主分类号 |
C07D319/12 |
| 代理机构 |
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