Ultrahigh molecular weight propylene (co)polymer
US11787882B2 · kind B2 · utility
1Cited by
5References
6Claims
0Family size
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Key dates
| Filing date | Jun 12, 2020 |
| Grant date | Oct 17, 2023 |
| Priority date | — |
| Expiry date | Sep 12, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F2410/01
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Provided is a propylene homopolymer or a copolymer of propylene and a 30 wt % or less α-olefin having 2 or 4 to 8 carbon atoms, having a intrinsic viscosity of more than 20 dl/g, as measured in a tetralin solvent at 135° C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.