Vessel construction
US5202165A · kind A · utility
21Cited by
4References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 17, 1990 |
| Grant date | Apr 13, 1993 |
| Priority date | — |
| Expiry date | Aug 17, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1352
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The vessel structures disclosed herein are adapted for containing a mobile or highly permeating fluid such as helium gas or liquid hydrogen or oxygen. Escape of the fluid is inhibited by a barrier layer of an oriented lyotropic liquid crystal polymer film. Preferred polymers include polybenzazole (PBZ) polymers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.