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:
Feb. 05, 2013
Filed:
Dec. 18, 2009
Applicant:
Ronald C. Aufderheide, Delaware, OH (US);
Inventor:
Ronald C. Aufderheide, Delaware, OH (US);
Assignee:
Ask Chemicals L.P., Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22C 1/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to microspheres coated with a phenolic novolak resin, a process for preparing them, and their use in making foundry shapes, e.g. molds, cores, sleeves, pouring cups, etc., which are used in casting metal parts.