Patent · US Expired

Method for providing a corrosion inhibiting solution

US6391384B1 · kind B1 · utility

2Cited by
8References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 10, 2000
Grant dateMay 21, 2002
Priority date
Expiry dateJul 10, 2020

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC23F11/188
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

The invention is directed to a method for providing a corrosion inhibiting aqueous solution which includes zinc orthophosphate where the zinc orthophosphate is solubilized. The invention is directed to a method of making a substantially contaminant-free, concentrated aqueous solution of zinc orthophosphate from zinc metal or zinc oxide and aqueous phosphoric acid.

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