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. 15, 2020
Filed:
Oct. 13, 2015
Applicant:
Aproxi Aps, Herlev, DK;
Inventors:
Kjeld Schaumburg, Herlev, DK;
Henrik Tofte Jespersen, Kirke Hyllinge, DK;
Per Bækgaard, Hørsholm, DK;
Assignee:
Aproxi APS, Herlev, DK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01G 25/02 (2006.01); C04B 35/624 (2006.01); C04B 35/486 (2006.01); B01J 13/00 (2006.01); C04B 35/488 (2006.01);
U.S. Cl.
CPC ...
C01G 25/02 (2013.01); B01J 13/0091 (2013.01); C04B 35/486 (2013.01); C04B 35/488 (2013.01); C04B 35/624 (2013.01); C01P 2002/50 (2013.01); C01P 2004/51 (2013.01); C01P 2004/61 (2013.01); C01P 2006/10 (2013.01); C04B 2235/765 (2013.01);
Abstract
The present application discloses a process for the preparation of metastable tetragonal zirconia in the form of an aerogel material, said material being capable of undergoing martensitic phase transformation to monoclinic zirconia. The application also discloses composite materials, such as dental filling materials, having included therein an aerogel material.