Patent · US Expired

Sealing subterranean zones

US6503870B2 · kind B2 · utility

93Cited by
8References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 30, 2001
Grant dateJan 7, 2003
Priority date
Expiry dateAug 30, 2021

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K8/512
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The present invention provides improved compositions and methods of using the compositions for sealing subterranean zones. One composition of the invention is comprised of water, a silane coupling agent, an organophilic clay, an epoxy resin and a hardening agent for said epoxy resin.

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