Use of a structure based on poly(dimethylketene) and objects comprising this structure
US6528135B1 · kind B1 · utility
13Cited by
6References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 22, 1999 |
| Grant date | Mar 4, 2003 |
| Priority date | — |
| Expiry date | Nov 22, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31942
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A structure comprising at least one layer of a polymer (A) comprising:the units (A1) and the units (A2) wherein the A2/(A1+A2) molar ratio is between 0 and 30% is a barrier against oxygen permeation under high relative humidity, making the structure useful for packaging and hollow bodies, such as pipes, bottles and containers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.