Patent · US Expired

Use of polyaralkylamines as corrosion inhibitors

US5059391A · kind A · utility

7Cited by

8References

2Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Artur Botta · Krefeld, DE
Christian Wegner · Cologne, DE
Heinz-Joachim Rother · Krefeld, DE

Key dates

Filing date	Sep 1, 1988
Grant date	Oct 22, 1991
Priority date	—
Expiry date	Sep 1, 2008

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC23F11/14
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

It has been found out that polyaralkylamines of the formula stated in the claims are useful as corrosion inhibitors for metallic materials; furthermore were found out new polyaralkylamines of the formula stated in the claims and a process for their preparation.

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