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:
Jul. 15, 2014
Filed:
Mar. 30, 2010
Christoph Tontrup, Alzenau, DE;
Wolfgang Lortz, Waechtersbach, DE;
Gabriele Perlet, Grosskrotzenburg, DE;
Erich Schmidt-kluge, Villach, AT;
Danilo Frulli, Enghien les Bains, FR;
Christoph Tontrup, Alzenau, DE;
Wolfgang Lortz, Waechtersbach, DE;
Gabriele Perlet, Grosskrotzenburg, DE;
Erich Schmidt-Kluge, Villach, AT;
Danilo Frulli, Enghien les Bains, FR;
Evonik Degussa GmbH, Essen, DE;
Center for Abrasives and Refractories Research & Development C.A.R.R.D. GmbH, Villach, AT;
Abstract
Slurry which contains a) from (50) to (80)% by weight of refractory particles having an average particle size of from (0.5) m to (150) m, b) from (5) to (35)% by weight of aluminum oxide particles having an average particle diameter of less than (300) nm and c) from (5) to (35)% by weight of water and d) a pH of from (5) to (12). Process for producing the slurry using a dispersion, and also the dispersion itself. Process for producing a casting mold, and also the casting mold itself.