Multilayer film for reclosable pet packaging
US11078004B2 · kind B2 · utility
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4References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 12, 2016 |
| Grant date | Aug 3, 2021 |
| Priority date | — |
| Expiry date | Jul 12, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2577/2025
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A multilayer film: the amounts of the monomers (i), (ii) and (iii) used in the polycondensation such that the softening temperature of C1 is below 190° C.A process for producing the multilayer film by co-extrusion blow-molding.A resealable packaging comprising a PET-based receptacle and a seal of said multilayer film, the heat-sealable and cleavable layer (C) of which is heat-sealed on the receptacle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.