Polyketone solution
US7223829B2 · kind B2 · utility
1Cited by
11References
11Claims
0Family size
Assignee
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Key dates
| Filing date | Dec 15, 2005 |
| Grant date | May 29, 2007 |
| Priority date | — |
| Expiry date | Dec 15, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2365/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A solution of a polyketone as a copolymer of carbon monoxide and one or more olefins, wherein 90 wt % or more of said copolymer comprises carbon monoxide units and olefin units, and a solvent is an aqueous solution of at least one member selected from the group consisting of zinc salts, calcium salts, thiocyanates and iron salts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.