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:
May. 04, 1976
Filed:
Jul. 25, 1973
Applicant:
Inventors:
Joseph V Otrhalek, Dearborn, MI (US);
Raymond M Ajluni, Bloomfield, MI (US);
Assignee:
BASF Wyandotte Corporation, Wyandotte, MI (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K / ;
U.S. Cl.
CPC ...
252101 ; 134-3 ; 252 791 ;
Abstract
A method for the preparation of a liquid concentrate solution containing 10 to 60 percent by weight water from which a metal cleaning solution may be prepared by dilution with additional water. The liquid concentrate was prepared from ferrous sulfate, an oxidant, an acid, a fluoride ion source and water. It may optionally contain ammonia and urea.