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:
Jan. 05, 1993
Filed:
Jun. 12, 1989
Applicant:
Inventors:
Calvin Bates, Monroeville, PA (US);
Linda Gaydosik, New Kensington, PA (US);
Assignee:
Aluminum Company of America, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C / ; B29C / ;
U.S. Cl.
CPC ...
264137 ; 106 388 ; 264221 ; 264257 ; 264317 ;
Abstract
The present invention is a wax-based material for use in the lost wax process where the wax must be capable of withstanding temperatures of up to 350.degree. F., the wax-based material including: (a) a high temperature brittle wax; (b) about 5-30 wt % organic plasticizer including polyfunctional amines and alcohol amines and (c) about 5-10 wt % paraffin wax.