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. 19, 1988
Filed:
Apr. 15, 1986
Applicant:
Inventors:
Hermann Emmert, Erlangen, DE;
Herbert Hehs, Klettgau, DE;
Detlev Coerlin, Erlangen, DE;
Klaus Kuhnke, Erlangen, DE;
Assignee:
Kraftwerk Union Aktiengesellschaft, Mulheim, DE;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23G / ; B08B / ; B08B / ; B08B / ;
U.S. Cl.
CPC ...
134-3 ; 134-8 ; 134 2213 ; 134 2214 ; 134 2219 ; 134 28 ; 134 29 ;
Abstract
Method for cleaning vessels and in particular, steam generators, having deposits which are dissolved chemically and removed mechanically. The copper compounds present in the deposits are dissolved chemically and subsequently, loose deposits and liquids are removed mechanically. Encrustations still remaining are softened chemically and finally, the loosened deposits as well as the remaining chemicals are flushed out.