Swellable compositions, articles formed therefrom, and methods of manufacture thereof
US9745451B2 · kind B2 · utility
30Cited by
55References
35Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 17, 2014 |
| Grant date | Aug 29, 2017 |
| Priority date | — |
| Expiry date | Jan 16, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K2201/016
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A swellable composition comprises: a matrix material; and a condensed expandable graphite material disposed in the matrix material. A seal arrangement comprises: a swellable member and a sealing member disposed on a surface of the swellable member; wherein the swellable member comprises a condensed expandable graphite material. The condensed expandable graphite material in the swellable composition and the swellable member has a bulk density of about 1 to about 8 g/cm3 and comprises expandable graphite.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.