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:
Apr. 08, 2008
Filed:
May. 02, 2003
Applicants:
Stephan Hueffer, Ludwigshafen, DE;
Gunther Pabst, Mannheim, DE;
Tilman Luedecke Taeger, Seeheim-Jugenheim, DE;
Stefan Schroeder, Neuleiningen, DE;
Gerhard Wolf, Ketsch, DE;
Inventors:
Stephan Hueffer, Ludwigshafen, DE;
Gunther Pabst, Mannheim, DE;
Tilman Luedecke Taeger, Seeheim-Jugenheim, DE;
Stefan Schroeder, Neuleiningen, DE;
Gerhard Wolf, Ketsch, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C14C 3/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
Tanning agents can be prepared by reacting at least one aldehyde of formula I, with at least one further identical or different aldehyde of formula I,