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:
Mar. 20, 2007
Filed:
Feb. 20, 2003
Applicants:
Ralph Lunkwitz, Neustadt, DE;
Andreas Seitz, Birkenheide, DE;
Gunther Pabst, Mannheim, DE;
Inventors:
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C14C 9/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
Agents for the fatliquoring of, in particular, leathers and hides tanned in the absence of chromium comprise where Ris H or methyl, Ris methyl, ethyl or tert-butyl, The novel fatliquoring agents are used in leather production and/or leather treatment, and leather is produced and/or treated using aqueous dispersions of these fatliquoring agents.