Container in which inner surface is formed from olefin resin layer
US11820553B2 · kind B2 · utility
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11References
3Claims
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Key dates
| Filing date | Oct 18, 2021 |
| Grant date | Nov 21, 2023 |
| Priority date | — |
| Expiry date | Nov 16, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K2201/005
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A method of producing a directly blow-formed container. The method includes subjecting a multilayered parison having an inner surface formed of an olefin resin to direct blow forming, the olefin resin containing (i) an organic bleeding lubricant having a melting point of not higher than 50° C. in an amount of 5 to 10% by mass, and (ii) a high silica zeolite having a silica/alumina mole ratio of not less than 80 in an amount of 0.2 to 3.0% by mass.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.