Patent · US Expired

Liquid binding agents

US5650478A · kind A · utility

1Cited by

1References

9Claims

0Family size

Assignee

BAKELITE GMBH · DE

Inventors

Achim Hansen · Zug, CH
Michael König · Frankfurt, DE
Stephan Schröter · Essen, DE
Josef Suren · Haaren, DE

Key dates

Filing date	Jun 26, 1995
Grant date	Jul 22, 1997
Priority date	—
Expiry date	Jun 26, 2015

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G8/10
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A liquid binding agent comprised of a phenolic resin, thinning agents and a curing agent, characterized in that the phenolic resin is produced by condensation catalyzed under alkaline conditions of a phenol and formaldehyde in a molar ratio of phenolic compound to formaldehyde in the range of 1:0.05 to 1.

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