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:
Aug. 05, 2008
Filed:
Mar. 01, 2007
Applicants:
Mark R. Stancliffe, Bromyard, GB;
Jorg Kroker, Powell, OH (US);
Inventors:
Mark R. Stancliffe, Bromyard, GB;
Jorg Kroker, Powell, OH (US);
Assignee:
Ashland Licensing and Intellectual Property LLC, Dublin, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B28B 7/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
This invention relates to a binder composition comprising condensed tannin and furfuryl alcohol. The composition can be used to prepare foundry mixes. The foundry mixes are prepared by mixing the composition with an acid or salt of an acid. The foundry mixes are then shaped into molds or cores and cured by heating or by the no-bake process with stronger acid curing catalysts. The molds and cores are used in casting metal articles.