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:
Apr. 03, 2012
Filed:
Dec. 08, 2008
Applicants:
Frank Lenzen, Dusseldorf, DE;
Gerard Ladegourdie, Dusseldorf, DE;
Inventors:
Frank Lenzen, Dusseldorf, DE;
Gerard Ladegourdie, Dusseldorf, DE;
Assignee:
Huttenes-Albertus Chemische Werke GmbH, Dusseldorf-Heerdt, DE;
Primary Examiner:
Int. Cl.
CPC ...
C04B 26/12 (2006.01); B22C 1/16 (2006.01); B22C 1/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
This invention relates to alkaline resol phenol-aldehyde binder compositions and their use in the production of articles of bonded particulate material such as foundry moulds, foundry cores, or feeders.