Lightweight polymer bottle for wine and spirits
US11518569B2 · kind B2 · utility
0Cited by
36References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 11, 2020 |
| Grant date | Dec 6, 2022 |
| Priority date | — |
| Expiry date | Mar 23, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J7/065
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A container for alcohol, e.g., a wine bottle, formed of a polycarbonate wall sandwiched between exterior and interior coatings, at least one of which may be an epoxy of 4,4′-isopropylidenedicyclohexanol and 1-chloro-2,3,-epoxypropane, crosslinked with 3-aminopropyltriethoxysilane. The polycarbonate wall may be an extrusion blow molded monolithic form at least 1.5 mm thick, and either or both of the exterior coating and the interior coating may have a thickness between 1 nm and 100 μm, inclusive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.