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:
May. 19, 1998
Filed:
May. 19, 1997
Stefan Harke, Sinsheim-Rohrbach, DE;
Stephanie Grathwohl, Oberderdingen, DE;
Klaus Hock, Regan, DE;
Rudolf Paternoster, Rinchnach, DE;
Werner Fenzl, Regan, DE;
Norbert Fenten, Elsdorf, DE;
Blanco GmbH & Co. KG, Oberderdingen, DE;
Schock & Co. GmbH, Schorndorf, DE;
Abstract
In a casting composition comprising a curable syrup which contains a liquid monomer and polymer components optionally dissolved therein, and an inorganic filler which includes a quartz sand product, in order to simplify the production of white molded articles, it is proposed that a product, the individual grain of which consists in the core essentially of quartz and at the surface essentially of .alpha.-cristobalite (low-temperature modification) be selected as quartz sand product.