Hose for use in the transport of refrigerants
US5804269A · kind A · utility
4Cited by
3References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 5, 1992 |
| Grant date | Sep 8, 1998 |
| Priority date | — |
| Expiry date | May 5, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1393
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A hose useful for handling low temperature fluids such as refrigerants is disclosed, which exhibits excellent resistance to ozone and moisture permeation. A cover or outermost tube of the hose is formed from a vulcanizate of a rubber composition comprising a first copolymer rubber having an isobutylene unit and a p-halogenated methylstyrene unit and/or a second copolymer rubber having an isobutylene unit, a p-halogenated methylstyrene unit and a p-methylstyrene unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.