Gas resistant foam materials
US4046939A · kind A · utility
55Cited by
6References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 7, 1976 |
| Grant date | Sep 6, 1977 |
| Priority date | — |
| Expiry date | Jan 7, 1996 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31591
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An air and water vapor permeable open cell solid resin foam resistant to passage therethrough of noxious chemicals in liquid or vapor form said foam having dispersed therein a particulate adsorbent material for said noxious chemicals said particulate adsorbent material being bonded in said foam by an organic binder which is substantially free from substances which substantially deactivate the adsorbent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.