Polymeric additive for improving polymer environmental stress cracking resistance properties
US11161945B2 · kind B2 · utility
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26Claims
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Key dates
| Filing date | Jul 3, 2019 |
| Grant date | Nov 2, 2021 |
| Priority date | — |
| Expiry date | Aug 16, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2310/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polymer composition may include a crosslinked polymeric additive composition that includes a matrix polymer comprising a polyolefin, and one or more polymer particles dispersed in the polymer matrix, wherein the one or more polymer particles comprise a polar polymer selectively crosslinked with a crosslinking agent; and a secondary polymer composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.