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:
Oct. 23, 1990
Filed:
Apr. 27, 1989
Applicant:
Inventors:
Richard Baur, Mutterstadt, DE;
Dieter Stoeckigt, Ludwigshafen, DE;
Hans-Werner Neumann, Reilingen, DE;
Hans-Helmut Goertz, Freinsheim, DE;
Norbert Wagner, Mutterstadt, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D / ; C23G / ; C09K / ; B08B / ;
U.S. Cl.
CPC ...
252142 ; 252136 ; 25217421 ; 252 794 ; 252 792 ; 252D / ; 134-3 ; 134 28 ;
Abstract
Aqueous acidic cleaner formulations contain, as essential components,