Patent · US Expired

Encapsulation of boric acid slurries

US4504317A · kind A · utility

10Cited by
10References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 7, 1983
Grant dateMar 12, 1985
Priority date
Expiry dateMar 7, 2003

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02W30/91
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

Disclosed is a process for encapsulating in cement a boric acid slurry which is at least about 30% boric acid. To the sulrry is added about 3.5 to about 4.5% dispersing agent, about 0.02 to about 0.03 ml/g of a cement retarder, up to about 0.4% of a hardener, and sufficient cement to bring the weight ratio of water to cement to about 0.4 to about 0.6. Also disclosed is a cement composition produced by said method.

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