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:
Dec. 22, 2009
Filed:
Aug. 18, 2006
Applicants:
John Porter Henley, Midland, MI (US);
Avani Maulik Patel, Midland, MI (US);
Arthur Richard Prunier, Jr., Midland, MI (US);
Chan Han, Midland, MI (US);
Inventors:
John Porter Henley, Midland, MI (US);
Avani Maulik Patel, Midland, MI (US);
Arthur Richard Prunier, Jr., Midland, MI (US);
Chan Han, Midland, MI (US);
Assignee:
Dow Global Technologies, Inc., Midland, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B 33/32 (2006.01); F27D 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An organic additive is removed from a ceramic honeycomb by an improved method by contacting each end of the extruded honeycomb with a member that has a gas permeability no greater than the outer wall, the member essentially covering the ends and heating the honeycomb to a temperature sufficient to remove the organic additive.