Patent · US Expired

Polyamide base powder coating material

US3966838A · kind A · utility

5Cited by

4References

14Claims

0Family size

Assignee

Chemische Werke Huels Aktiengesellschaft · US

Inventors

Rainer Feldmann · Marl, DE
Wolfgang Kriesten
Karl Muller
Hans J. Panoch
Heinz Scholten

Key dates

Filing date	Apr 24, 1973
Grant date	Jun 29, 1976
Priority date	—
Expiry date	Apr 24, 1993

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S525/934
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Polyamide base powder coating material from a polyamide having an average of about 8 - 11 aliphatic carbon atoms per carbonamide group and containing about 0.2 to 5 percent by weight of carbonamide groups having n-alkoxymethyl groups based on the total number of carbonamide groups and about 0.01 - 2 percent by weight of acid catalysts.

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