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. 11, 2021
Filed:
Feb. 12, 2014
Applicant:
Basf SE, Ludwigshafen, DE;
Inventors:
Walter Bertkau, Ludwigshafen, DE;
Yu Mei, Mannheim, DE;
Robert Orth, Ludwigshafen, DE;
Thomas Schneider, Ludwigshafen, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C14C 1/08 (2006.01); C14C 3/06 (2006.01); C14C 9/02 (2006.01);
U.S. Cl.
CPC ...
C14C 1/08 (2013.01); C14C 3/06 (2013.01); C14C 9/02 (2013.01);
Abstract
In a method of producing leather comprising a plurality of steps, methanesulfonic acid is used in at least one step.