Patent · US Expired

Heat curable cathodic electrocoating composition

US5461091A · kind A · utility

6Cited by

5References

12Claims

0Family size

Assignee

BASF SE

Inventors

Gerhard Hoffmann · Otterstadt, DE
Dieter Faul · Niederkirchen, DE
Klaus Huemke · Friedelsheim, DE
John Gilbert · Beverly Hills, US

Key dates

Filing date	Sep 9, 1994
Grant date	Oct 24, 1995
Priority date	—
Expiry date	Sep 9, 2014

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S524/901
WIPO fieldBasic communication processes
WIPO sectorElectrical engineering

Abstract

A heat curable coating composition, particular for cathodic electrocoating, comprises PA1 (A) from 50 to 95% by weight of a chain or step growth polymerization product having functional groups and PA1 (B) from 50 to 5% by weight of a mixture of polymethylenepolyphenyl isocyanates which contains less than 25% of diphenylmethane diisocyanates.

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