Patent · US Active

Flexible durable cement

US10689560B2 · kind B2 · utility

0Cited by
6References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 1, 2019
Grant dateJun 23, 2020
Priority date
Expiry dateFeb 1, 2039

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21B33/13
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

According to at least one embodiment of the present description, a cement slurry includes 50% to 90% BWOC of a cement precursor material based on a total weight of the cement slurry; and from 10% to 50% BWOC of a flexible additive based on the total weight of the cement slurry. The flexible additive includes hydrophilic polyolefin fibers or 2,6-di-tert-butyl-p-cresol.

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