Patent · US Expired

Anticorrosive agent

US6524376B2 · kind B2 · utility

15Cited by
3References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 25, 2001
Grant dateFeb 25, 2003
Priority date—
Expiry dateJan 25, 2021

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L21/76814
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

An anticorrosive agent containing, as essential components, (a) urea or a urea derivative and (b) a hydroxy aromatic compound.

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