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:
Oct. 29, 2013
Filed:
Jun. 21, 2011
Applicants:
David Strunk, Haan, DE;
Gerard Ladegourdie, Düsseldorf, DE;
Frank Lenzen, Düsseldorf, DE;
Inventors:
Assignee:
Huttenes-Albertus Chemische Werke GmbH, Dusseldorf, DE;
Primary Examiner:
Int. Cl.
CPC ...
C08G 65/40 (2006.01); C08L 83/00 (2006.01); B22C 1/18 (2006.01); B22C 1/20 (2006.01); B22C 9/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to modified phenolic resins which contain silicic acid ester units. The modified phenolic resins may, for example, be used as components of a foundry binder system. The invention also relates to a method for producing such modified phenolic resins and to two-component binder systems which contain these modified phenolic resins. The invention furthermore relates to methods for producing foundry molds and foundry cores which contain the modified phenolic resins, and to the foundry molds and foundry cores themselves.