Oxygen absorbing sheet
US5089323A · kind A · utility
32Cited by
1References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 24, 1989 |
| Grant date | Feb 18, 1992 |
| Priority date | — |
| Expiry date | Nov 24, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31692
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An oxygen absorbing sheet is disclosed, which is obtained by molding a resin composition comprising from 15 to 70% by weight of a thermoplastic resin and from 30 to 85% by weight of an oxygen absorbent into a sheet having a thickness of from 10 .mu.m to 5 mm and stretching the sheet at least uniaxially at a stretch ratio of from 1.5 to 8.0. The oxygen absorbing sheet is easy to handle, and its oxygen absorption capacity is arbitrarily controllable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.