Patent · US Expired

Process for manufacturing a microlatex in a continuous oil phase by polymerization of a water-soluble monomer in a water-in-oil microemulsion, resultant microlatices, and their use for enhanced oil recovery

US4521317A · kind A · utility

46Cited by
6References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 8, 1983
Grant dateJun 4, 1985
Priority date
Expiry dateApr 8, 2003

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S507/938
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A transparent and stable microlatex is dispersed into water and the resultant solution is used for treating an oil or gas well to achieve enhanced oil recovery. The microlatex is prepared by polymerization of a water-soluble monomer in a microemulsion of the water-in-oil type.

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