Patent · US Expired

Autodeposition post-bath rinse

US4636265A · kind A · utility

16Cited by

6References

18Claims

0Family size

Assignee

Henkel Kommanditgesellschaft auf Aktien · DE

Inventors

Herbert Fischer · Goldkronach, DE
Karl-Heinz Stritzke · Langenfeld, DE
Roland Morlock · Bergheim, DE
Thomas C. Jones · Melrose Park, US
Joseph C. Donovan · Drexel Hill, US

Key dates

Filing date	Nov 26, 1985
Grant date	Jan 13, 1987
Priority date	—
Expiry date	Nov 26, 2005

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB05D7/144
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

A method of improving the anticorrosion properties of an autodeposited resin coating by including in the post-bath rinse (a) a metal dichromate, (b) a metal hypophosphite, or (c) a combination of either of the foregoing with a metal hydrogenphosphate, followed by curing.

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