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. 06, 2025
Filed:
Jun. 28, 2021
Applicant:
Fraunhofer-gesellschaft Zur Förderung Der Angewandten Forschung E.v., Munich, DE;
Inventors:
Michael Prokein, Oberhausen, DE;
Manfred Renner, Essen, DE;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
D06P 1/00 (2005.12); D06P 1/94 (2005.12); D06P 3/32 (2005.12);
U.S. Cl.
CPC ...
D06P 1/94 (2012.12); D06P 3/32 (2012.12);
Abstract
A method for dyeing leather with an organic colorant in a supercritical fluid. The method includes coating a surface of the leather to provide a coated surface of the leather. The method further includes dyeing the coated surface of the leather with the organic colorant in the supercritical fluid.