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:
Nov. 07, 2023
Filed:
Dec. 12, 2018
Applicant:
Donaldson Company, Inc., Minneapolis, MN (US);
Inventors:
Suresh L. Shenoy, Bloomington, MN (US);
Thomas M. Weik, Deephaven, MN (US);
Matthew P. Goertz, Bloomington, MN (US);
Assignee:
DONALDSON COMPANY, INC., Minneapolis, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01F 1/10 (2006.01); D01D 5/00 (2006.01); D01F 6/60 (2006.01); D01F 6/90 (2006.01); B01D 39/16 (2006.01);
U.S. Cl.
CPC ...
D01F 1/10 (2013.01); B01D 39/1623 (2013.01); D01D 5/003 (2013.01); D01F 6/60 (2013.01); D01F 6/90 (2013.01); B01D 2239/0428 (2013.01); B01D 2239/0618 (2013.01); B01D 2239/0631 (2013.01); B01D 2239/0654 (2013.01); D10B 2401/021 (2013.01); D10B 2505/04 (2013.01);
Abstract
The present disclosure provides a unique fine fiber material that is formed from a fiber-forming polyamide with a fluorochemical urethane additive, a method of making such fiber material, as well as filter media and filter elements including such fibers.