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. 28, 2019
Filed:
Oct. 01, 2015
Applicant:
Xeros Ltd, Rotherham, South Yorkshire, GB;
Inventors:
Addis Duki Feyisa, Rotherham, GB;
John Edward Steele, Rotherham, GB;
Assignee:
Xeros Limited, Rotherham, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C14C 15/00 (2006.01); C14C 3/30 (2006.01); C14C 3/08 (2006.01); C14C 3/16 (2006.01); C14C 3/28 (2006.01); C14B 1/00 (2006.01); C14C 3/10 (2006.01); C14C 3/22 (2006.01); D06P 3/32 (2006.01);
U.S. Cl.
CPC ...
C14C 3/30 (2013.01); C14B 1/00 (2013.01); C14C 3/08 (2013.01); C14C 3/10 (2013.01); C14C 3/16 (2013.01); C14C 3/22 (2013.01); C14C 3/28 (2013.01); D06P 3/32 (2013.01);
Abstract
A method for tanning an animal substrate comprising the steps: i) agitating the animal substrate with a chromium-free tanning agent; and ii) agitating the animal substrate with a tanning agent having an oxazolidine group; wherein at least some of the agitation is performed in the presence of a solid particulate material having an average particle size of from 1 to 500 mm.