Patent · US Active

Method of producing hydroxyalkylcarbamate-functional polyamides and uses thereof

US11292953B2 · kind B2 · utility

0Cited by
5References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 24, 2018
Grant dateApr 5, 2022
Priority date—
Expiry dateOct 15, 2038

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K8/035
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A modified drilling fluid comprising a drilling fluid and the reaction product(s) of a polyalkylene polyamine, fatty acid, and alkylene carbonate, and methods of making and using the same.

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