Purification means
US6414110B1 · kind B1 · utility
10Cited by
1References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 20, 2000 |
| Grant date | Jul 2, 2002 |
| Priority date | — |
| Expiry date | Sep 20, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F6/10
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention provides a novel process for improving the glass transition temperatures of polymers by partitioning the polymer between immiscible solvents to remove the low molecular weight polymer from the desired product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.