Caps or closures made from a resin composition comprising polyethylene
US11634565B2 · kind B2 · utility
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19References
9Claims
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Key dates
| Filing date | Aug 25, 2017 |
| Grant date | Apr 25, 2023 |
| Priority date | — |
| Expiry date | Aug 25, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2314/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Described herein are caps or closures made from a resin composition having at least one polyethylene having a density of at least 0.940 g/cm3 when measured following the ISO 1183-2 method at 23° C.; erucamide; and at least 700 ppm based on the total weight of the resin composition of at least one ultraviolet absorber selected from the hydroxyphenylbenzotriazole class. A process for the production of such caps or closures is also described herein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.