Block copolymer derived from renewable materials and method for making such a block copolymer
US11332576B2 · kind B2 · utility
1Cited by
3References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 5, 2011 |
| Grant date | May 17, 2022 |
| Priority date | — |
| Expiry date | Apr 5, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/60
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to a block copolymer derived from at least one ethylene oxide and/or propylene oxide monomer containing 14C.The present invention also relates to a method for preparing such a block copolymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.