Patent · US Expired

Thickened alcohol well treating compositions

US4012327A · kind A · utility

7Cited by
6References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 12, 1975
Grant dateMar 15, 1977
Priority date
Expiry dateFeb 12, 1995

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S507/922
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Alcohols, particularly anhydrous alcohols, thickened with aminomethylated polyacrylamide, used as fracturing fluids for stimulating well production.

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