Patent · US Active

Fast dissolving, water soluble, hydrophobically-modified polyelectrolytes

US11332563B2 · kind B2 · utility

0Cited by

18References

20Claims

0Family size

Assignee

ECOLAB USA INC. · US

Inventors

Paul J. Zinn · Hillsboro, US
En-Wei Lin · Los Angeles, US
Heinrich E. Bode · Aurora, US
Mario Roberto Rojas · Katy, US
Christopher Steven Popeney · Sugar Land, US
Pious Kurian · Sugar Land, US

Key dates

Filing date	Jul 26, 2019
Grant date	May 17, 2022
Priority date	—
Expiry date	Feb 3, 2040

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC10G2300/80
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Copolymers and compositions containing copolymers having advantageous viscosity, friction reduction, dissolution, pH-stability, and temperature-stability are provided. These copolymers can be used as rheology modifiers for oil field applications.

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