Patent · US Expired

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 dateDec 6, 1984
Grant dateDec 23, 1986
Priority date
Expiry dateDec 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.