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. 11, 2022
Filed:
Dec. 22, 2017
Applicant:
Ask Chemicals Gmbh, Hilden, DE;
Inventors:
Christian Priebe, Wülfrath, DE;
Philipp Schneider, Düsseldorf, DE;
Mark Stancliff, Herefordshire, GB;
Brian Weaver, Worcestershire, GB;
Assignee:
ASK Chemicals GmbH, Hilden, DE;
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/65 (2006.01); B22C 1/22 (2006.01); B22C 9/02 (2006.01); B22C 9/10 (2006.01); C08G 18/08 (2006.01); C08G 18/18 (2006.01); C08G 18/32 (2006.01); C08G 18/54 (2006.01); C08G 18/76 (2006.01); C08K 3/36 (2006.01);
U.S. Cl.
CPC ...
C08G 18/6511 (2013.01); B22C 1/2253 (2013.01); B22C 1/2273 (2013.01); B22C 9/02 (2013.01); B22C 9/10 (2013.01); C08G 18/0852 (2013.01); C08G 18/18 (2013.01); C08G 18/3215 (2013.01); C08G 18/542 (2013.01); C08G 18/7664 (2013.01); C08K 3/36 (2013.01);
Abstract
The invention relates to a binder based on phenolic resins of the benzyl ether type and isocyanate compounds having at least two isocyanate groups, containing free phenol and free hydroxybenzyl alcohols in the polyol component. The invention further relates to mold material mixtures containing the binder and to cores, molds, or risers produced with the mold material mixtures and to the use thereof in metal casting.