Compositions of random copolymers of propene containing an &agr;-olefin as comonomer
US6541570B2 · kind B2 · utility
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4References
7Claims
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Key dates
| Filing date | Aug 13, 2001 |
| Grant date | Apr 1, 2003 |
| Priority date | — |
| Expiry date | Aug 13, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2308/00
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Semicrystalline polyolefin composition comprising copolymers a), b) and c) of prolylene with at least one comonomer selected from C4-C10&agr;-olefins, where the total content of recurring units from the said comonomer, referred to the composition, is equal to or higher than 6% and teh respective percentages representing the content of said recurring units in each one of the copolymers a), b) and c) are different from each other, said difference being of at least 1 unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.