Microcellular and ultramicrocellular materials containing hydrofluorocarbon inflatants
US5254400A · kind A · utility
14Cited by
11References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 18, 1991 |
| Grant date | Oct 19, 1993 |
| Priority date | — |
| Expiry date | Apr 18, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31786
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Improved microcellular and ultramicrocellular materials containing hydrofluorocarbon (HFC) inflatants are disclosed. The inflatants are environmentally more favorable than fully halogenated chlorofluorocarbons (CFCs).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.