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. 07, 2017
Filed:
Oct. 21, 2014
Applicant:
Refratechnik Holding Gmbh, Ismaning, DE;
Inventors:
Hans-Juergen Klischat, Goettingen, DE;
Carsten Vellmer, Goettingen, DE;
Holger Wirsing, Goettingen, DE;
Assignee:
Refratechnik Holding GmbH, Ismaning, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 38/00 (2006.01); C04B 35/043 (2006.01); C04B 35/03 (2006.01); C04B 35/047 (2006.01); C04B 35/101 (2006.01); C04B 35/12 (2006.01); C04B 35/18 (2006.01); C04B 35/20 (2006.01); C04B 35/44 (2006.01); C04B 35/443 (2006.01); C04B 35/48 (2006.01); C04B 35/565 (2006.01); C04B 35/626 (2006.01); C04B 35/634 (2006.01); C04B 35/64 (2006.01);
U.S. Cl.
CPC ...
C04B 35/043 (2013.01); C04B 35/03 (2013.01); C04B 35/047 (2013.01); C04B 35/0435 (2013.01); C04B 35/101 (2013.01); C04B 35/12 (2013.01); C04B 35/18 (2013.01); C04B 35/20 (2013.01); C04B 35/44 (2013.01); C04B 35/443 (2013.01); C04B 35/48 (2013.01); C04B 35/565 (2013.01); C04B 35/62695 (2013.01); C04B 35/63404 (2013.01); C04B 35/64 (2013.01); C04B 2235/3206 (2013.01); C04B 2235/3222 (2013.01); C04B 2235/3241 (2013.01); C04B 2235/3243 (2013.01); C04B 2235/3272 (2013.01); C04B 2235/349 (2013.01); C04B 2235/3445 (2013.01); C04B 2235/48 (2013.01); C04B 2235/5427 (2013.01); C04B 2235/5436 (2013.01); C04B 2235/5463 (2013.01); C04B 2235/5472 (2013.01); C04B 2235/602 (2013.01); C04B 2235/656 (2013.01); C04B 2235/77 (2013.01); C04B 2235/785 (2013.01); C04B 2235/963 (2013.01);
Abstract
A refractory, coarse ceramic product including at least one granular refractory material, has an open porosity of between 22 and 45 vol.-%, in particular of between 23 and 29 vol.-%, and a grain structure of the refractory material, wherein the medium grain size fraction with grain sizes of between 0.1 and 0.5 mm is 10 to 55 wt.-%, in particular 35 to 50 wt.-%, and wherein the remainder of the grain structure is a finest grain fraction with grain sizes of up to 0.1 mm and/or coarse-grain fraction with grain sizes of more than 0.5 mm.