Polyolefin composition with improved resistance to ESCR
US11560467B2 · kind B2 · utility
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Key dates
| Filing date | Jan 21, 2019 |
| Grant date | Jan 24, 2023 |
| Priority date | — |
| Expiry date | Sep 9, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2207/062
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Polyolefin composition comprising high density polyethylene, polyolefin elastomer and polypropylene, wherein the polypropylene is selected from homopolymer PP or impact PP and wherein the amount of high density polyethylene is more than 40% by weight of the total amount of high density polyethylene, polyolefin elastomer and impact or homopolymer polypropylene and wherein the total amount of high density polyethylene, polyolefin elastomer and polypropylene is 100% by weight and wherein the high density polyethylene has a density in the range from 940 to 960 kg/m3.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.