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:
Jan. 09, 2007
Filed:
Feb. 22, 2005
Applicants:
Andrew Hen Liu, Newark, DE (US);
Kai-volker Schubert, Chadds Ford, PA (US);
Inventors:
Andrew Hen Liu, Newark, DE (US);
Kai-Volker Schubert, Chadds Ford, PA (US);
Assignee:
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C14C 9/00 (2006.01); C14C 9/02 (2006.01); C14C 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of treating leather for imparting soil resistance to the leather by contacting the leather with a fluorinated hydrophobic additive comprising at least one fluorinated urethane or a mixture of at least one fluorinated urethane with at least one fluorinated ester, and the resulting treated leather having soil resistance are disclosed.