Container resistant to extremely low temperatures
US4482585A · kind A · utility
94Cited by
7References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 11, 1982 |
| Grant date | Nov 13, 1984 |
| Priority date | — |
| Expiry date | Jun 11, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1352
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A container for freezing or preserving physiological saline solutions for medical use is disclosed which is resistant to extremely low temperatures and which comprises laminated sheets. Each laminated sheet comprises an inner layer of unstretched film of polyethylene having a viscometric average molecular weight of 1,000,000 or more and a light-scattering average molecular weight of 3,000,000 or more; and an outer layer of polyethylene terephthalate or the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.