Patent · US Active

Method for recovering bitumen from tar sands

US9469813B2 · kind B2 · utility

1Cited by
4References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 28, 2014
Grant dateOct 18, 2016
Priority date
Expiry dateDec 3, 2034

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10G1/047
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Method for recovering bitumen from tar sands, according to which sands are brought into contact with at least one partially hydrolyzed poly(vinyl acetate) (co)polymer A.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.