Shaped articles for use in the exploration for and/or production of petroleum and natural gas
US4631309A · kind A · utility
5Cited by
7References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 6, 1984 |
| Grant date | Dec 23, 1986 |
| Priority date | — |
| Expiry date | Dec 6, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L15/005
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Equipment for the exploration and/or production of petroleum and natural gas having elastomeric components have high resistance to materials encountered if the elastomeric components are shaped from a hydrogenated butadiene-acrylonitrile copolymer with a residual double bond content less than 1% and unhydrogenated nitrile groups.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.