Patent · US Expired

Corrosion inhibitor container

US6306210A · kind A · utility

10Cited by
9References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 31, 2000
Grant dateOct 23, 2001
Priority date
Expiry dateAug 31, 2020

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC04B2111/26
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

The method of adding migrating corrosion inhibitors to a raw concrete mix by loading a migrating corrosion inhibitor in powder form within a container fabricated from a water soluble film, and thereafter depositing the container into a hydrated concrete mix for blending. The container is preferably fabricated from a film consisting of polyvinyl alcohol.

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