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:
Jun. 23, 1981
Filed:
May. 15, 1980
Applicant:
Inventors:
Robert E Fishter, Boca Raton, FL (US);
Brian A Manty, Lake Park, FL (US);
Assignee:
United Technologies Corporation, Hartford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; C23F / ;
U.S. Cl.
CPC ...
156637 ; 75 9 / ; 7510 / ; 7511 / ; 75119 ; 156664 ; 252 792 ;
Abstract
An effective cyanide free solution and process for removing gold-nickel braze alloys from superalloy parts are described. The solution contains about 50% nitric acid with intentional additions of materials which ionize to provide chloride ions, sulfate ions, and metal ions in specific concentrations.