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. 10, 1978
Filed:
May. 11, 1976
Applicant:
Inventor:
Wilhelm Pistulka, Burghausen, DT;
Assignee:
Vereinigte Metallwerke Ranshofen-Berndorf Aktiengesellschaft, Braunau am Inn, Ranshofen, OE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23F / ; C20F / ; C23G / ; C09K / ; G01N / ;
U.S. Cl.
CPC ...
148-627 ; 2323 / ; 73 8 / ; 73 89 ; 73104 ; 134-2 ; 148-61 ; 148 / ; 156665 ; 252 791 ; 252 795 ; 252186 ; 252408 ; 423272 ; 423273 ;
Abstract
A corrosive solution, designed to accelerate the rupture of workpieces of aluminum and its alloys in stress-corrosion-cracking tests, contains sodium chloride, hydrogen peroxide and sodium acetate dissolved in water, with maintenance of an acidic pH.