Patent · US Active

Method for the production of a refractory filter

US8802003B2 · kind B2 · utility

1Cited by

4References

6Claims

0Family size

Assignee

Foseco International Limited · GB

Inventors

Friedhelm Demey · Borken, DE
Renate Jahre · Gladbeck, DE
Hans Riethmann · Borken, DE
Mario Arruda · São Paulo, BR
Antonio Cassara · São Paulo, BR
Raphael Neto · São Paulo, BR
Fabio De Oliveira · São Paulo, BR
Sueli Pereira · São Paulo, BR
Kazuhiro Nakano · Fukushima, JP

Key dates

Filing date	Mar 19, 2010
Grant date	Aug 12, 2014
Priority date	—
Expiry date	Feb 11, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P10/20
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Method for the production of a closed edge refractory foam filter, by providing a reticulated foam substrate having at least one first surface for forming a side face of the filter and two opposed second surfaces for forming the through-flow faces of the filter, applying a liquid including an organic coating component to the first surface, solidifying the organic coating component to form a filter precursor having a continuous volatilizable coating on the first surface, and impregnating the filter precursor with a slurry containing particles of a refractory material, a binder and a liquid carrier. The impregnated filter precursor is dried and fired to form the filter having a closed edge.

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