Patent · US Expired

Pastes for fired-on layers

US5882549A · kind A · utility

5Cited by

5References

7Claims

0Family size

Assignee

Degussa AG · DE

Inventors

Ralf Zuber · Großostheim, DE
Knut Fehl · Schlüchtern, DE
Willi Peter · Blankenbach, DE
Elisabeth Kasper · Dietzenbach, DE

Key dates

Filing date	Nov 12, 1997
Grant date	Mar 16, 1999
Priority date	—
Expiry date	Nov 12, 2017

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08K3/22
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A stable paste for fired-on layers which produces few pyrolysis products contains 0.3 to 3 wt. % of polyethylenimine as binder. The binder inhibits sedimentation of the contents of the paste.

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