Heat-insulating packaging film, packaging bag, and packaging bag having opening member
US8870016B2 · kind B2 · utility
0Cited by
5References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 24, 2011 |
| Grant date | Oct 28, 2014 |
| Priority date | — |
| Expiry date | Jun 24, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/249978
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A thermal insulating packaging film which includes: a base material; and an open-cell layer disposed on one face of the base material and made of polyolefin. The open-cell layer in the thermal insulating packaging film preferably has an average bore diameter of 150 μm to 500 μm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.