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:
Mar. 26, 2002
Filed:
Jun. 19, 2000
Applicant:
Inventors:
Helena Twardowska, Dublin, OH (US);
Ronald C. Aufderheide, Dublin, OH (US);
Assignee:
Ashland Inc., Dublin, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22D 2/300 ; B23K 2/300 ;
U.S. Cl.
CPC ...
B22D 2/300 ; B23K 2/300 ;
Abstract
The invention relates to exothermic sleeve compositions comprising (a) an oxidizable metal where the oxidizable metal comprises aluminum dross, and (b) an oxidizing agent capable of generating an exothermic reaction. The invention also relates to sleeve mixes prepared with the sleeve compositions, the use of the sleeve composition to prepare sleeves, the sleeves prepared with the sleeve compositions and the use of the sleeves to prepare metal castings.