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:
Aug. 19, 2025
Filed:
Jul. 27, 2018
Applicant:
Morgan Advanced Ceramics, Inc., Hayward, CA (US);
Inventors:
Eric Larson, Hayward, CA (US);
Douglas Mccracken, Hayward, CA (US);
Norman Poeppel, Hayward, CA (US);
Jennifer Kachala, Hayward, CA (US);
Assignee:
Morgan Advanced Ceramics, Inc., Hayward, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22C 21/14 (2006.01); B22C 1/00 (2006.01); C04B 35/117 (2006.01); C04B 38/00 (2006.01);
U.S. Cl.
CPC ...
B22C 21/14 (2013.01); B22C 1/00 (2013.01); C04B 35/117 (2013.01); C04B 38/0054 (2013.01); C04B 38/0074 (2013.01); C04B 2235/3418 (2013.01); C04B 2235/5436 (2013.01); C04B 2235/786 (2013.01); C04B 2235/96 (2013.01);
Abstract
Supports for supporting mould parts and/or cores in investment casting, comprise support material comprising: —⋅a mechanically supportive continuous matrix phase comprising alumina; ⋅at least one second phase interpenetrating the matrix phase and providing a pathway for leachants to penetrate into the material; wherein the support material comprises: in the range of 1 wt % and 12 wt % of the second phase; and less than 15 vol % voids.