The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 29, 2016
Filed:
Jun. 05, 2014
Applicant:
Porvair Plc, Norfolk, GB;
Inventors:
Leonard S. Aubrey, Hendersonville, NC (US);
Feng Chi, Hendersonville, NC (US);
Lucas Damoah, Hendersonville, NC (US);
Assignee:
Porvair Plc, Norfolk, GB;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22B 26/22 (2006.01); C22B 21/06 (2006.01); C22B 9/02 (2006.01); B01D 46/00 (2006.01); B01D 39/20 (2006.01);
U.S. Cl.
CPC ...
B01D 39/2075 (2013.01); C22B 9/023 (2013.01); C22B 21/066 (2013.01); C22B 26/22 (2013.01); B01D 2239/0485 (2013.01); B01D 2239/1241 (2013.01); Y02P 10/234 (2015.11);
Abstract
A filter which is particularly suitable for filtration of molten metal, and method of making the filter, is described. The filter comprises a ceramic core comprising a primary component selected from the group consisting of alumina and magnesium oxide. A coating is on the ceramic core wherein the coating is selected from the group consisting of BN and YO.