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. 20, 1990
Filed:
Sep. 20, 1984
Applicant:
Inventors:
Siegmar Kunze, Gernsbach, DE;
Gunter Losch, Leimersheim, DE;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23G / ;
U.S. Cl.
CPC ...
134-3 ; 134 31 ; 134 41 ; 252626 ;
Abstract
The present invention relates to a method for decontaminating radioactively contaminated surfaces of metallic materials with the use of nitric acid and hydrofluoric acid. The surfaces to be decontaminated are subjected to a vapor mixture of water vapor, hydrogen fluoride and nitric acid vapor.