End-group isomerization of poly(alkylene carbonate) polymers
US11230625B2 · kind B2 · utility
1Cited by
61References
22Claims
0Family size
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Key dates
| Filing date | Apr 18, 2019 |
| Grant date | Jan 25, 2022 |
| Priority date | — |
| Expiry date | Jan 17, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2531/002
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Described herein are methods of preparing poly(alkylene carbonate) polymers comprising an increased ratio of primary hydroxyl end groups to secondary hydroxyl end groups, and compositions thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.