Patent · US Expired

Cathodically depositable aqueous electro-dipping lacquer coating composition

US4252703A · kind A · utility

22Cited by

2References

15Claims

0Family size

Assignee

Herberts Gesellschaft mit beschrankter Haftung · DE

Inventors

Hans-Peter Patzschke · Wuppertal, DE
Armin Gobel · Syke, DE

Key dates

Filing date	Mar 7, 1979
Grant date	Feb 24, 1981
Priority date	—
Expiry date	Mar 7, 1999

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S524/901
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A cathodically depositable aqueous electro-dipping lacquer coating which contain as binder, which binder can be diluted with water by protonization with acids, 55 to 95% by weight based on the total quantity of binder, of organic synthetic resin binders containing amino groups, having an average molecular weight (Mn) of about 500 to 10,000, a pK.sub.b value of about 3 to 7 and an amine value of about 30 to 150 and 45 to 5% by weight of cross-linking agents having an average molecular weight (Mn) of about 500 to 5,000, which contain esterified terminal carboxyl groups.

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