Process for isolating macrocyclic polyester oligomers
US5434244A · kind A · utility
31Cited by
1References
9Claims
0Family size
Assignee
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Key dates
| Filing date | Dec 9, 1994 |
| Grant date | Jul 18, 1995 |
| Priority date | — |
| Expiry date | Dec 9, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F6/003
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Process for isolating macrocyclic polyester oligomers from impurities comprising the step of subjecting solutions of macrocyclic polyester oligomers to protonated molecular sieves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.