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. 08, 1993
Filed:
Dec. 31, 1991
Applicant:
Inventors:
Henry M Hodgens, II, Jupiter, FL (US);
Kenneth C Long, Stuart, FL (US);
Robert E Fishter, Boca Raton, FL (US);
Assignee:
United Technologies Corporation, Hartford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B44C / ; C73F / ;
U.S. Cl.
CPC ...
156664 ; 156654 ; 252 793 ; 252 794 ;
Abstract
A solution is described for the chemical processing of beta phase-containing titanium alloys. The solution contains HNO.sub.3 and HF, along with a small but effective amount of copper, ruthenium, rhodium, palladium, osmium, iridium, platinum or gold to reduce hydrogen absorption, ammonium formate and citric acid to increase the milling rate, and a surfactant to ensure a satisfactory milled surface.