Patent · US Active

Aqueous fluid and method of making and using the same

US8324135B2 · kind B2 · utility

1Cited by
14References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 21, 2007
Grant dateDec 4, 2012
Priority date—
Expiry dateAug 24, 2028

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K8/38
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Aqueous fluids comprising polysaccharide, dissolved salt, and borate anions. The fluids are useful, for example, as a drilling fluid.

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