Heterogeneous polymerization in carbon dioxide
US5312882A · kind A · utility
83Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 30, 1993 |
| Grant date | May 17, 1994 |
| Priority date | — |
| Expiry date | Jul 30, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1369
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The heterogeneous polymerization of water-soluble polymer in CO.sub.2 is disclosed. The method comprises providing a heterogeneous reaction mixture comprising CO.sub.2, a monomer, and a surfactant, then polymerizing the monomer to form a water-soluble polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.