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:
Nov. 13, 2001
Filed:
Aug. 26, 1999
Applicant:
Inventors:
Gerhard Wolf, Ketsch, DE;
Georg Igl, Weissach im Tal, DE;
Thomas Grösser, Ludwigshafen, DE;
Adolf Stübinger, Frankenthal, DE;
Jürgen Werner, Bad Dürkheim, DE;
Erhard Guenther, Hassloch, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08J 5/10 ; C08L 6/100 ;
U.S. Cl.
CPC ...
C08J 5/10 ; C08L 6/100 ;
Abstract
A composition containing (A) one or more aromatic sulfonates, (B) one or more aldehyde resins and (C) a buffer and is prepared and used for treating, in particular neutralizing, leather tanned with mineral compounds or mineral-free compounds.