Patent · US Active

Plugging of cracks on metal devices intended to contain radioactive acid materials

US7713585B2 · kind B2 · utility

0Cited by
6References
21Claims
0Family size

Assignees

Inventors

Key dates

Filing dateFeb 20, 2006
Grant dateMay 11, 2010
Priority date
Expiry dateAug 28, 2026

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08K5/0025
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The invention relates to the use of a composition comprising a chlorinated polyester resin in which the polyester satisfies formula (I) below:together with a crosslinking catalyst and a crosslinking accelerator in order to plug a crack affecting the wall of a metal device intended to contain a radioactive acid material.It is especially applicable in the maintenance of metal equipment of nuclear installations, in particular equipment that is for irradiated nuclear fuel reprocessing.

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