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:
Dec. 28, 2021
Filed:
May. 29, 2019
Donaldson Company, Inc., Minneapolis, MN (US);
Bradly G. Hauser, Minneapolis, MN (US);
Stephen K. Sontag, Maple Grove, MN (US);
Davis B. Moravec, Burnsville, MN (US);
Stuti S. Rajgarhia, Bloomington, MN (US);
Andrew J. Dallas, Lakeville, MN (US);
Vijay K. Kapoor, Eagan, MN (US);
Aflal Rahmathullah, Savage, MN (US);
Charles S. Christ, Deephaven, MN (US);
Joseph M. Block, Carver, MN (US);
Donaldson Company, Inc., Minneapolis, MN (US);
Abstract
A substrate for use in a filter media including, for example, in a hydrocarbon fluid-water separation filter; methods of identifying the substrate; methods of making the substrate; methods of using the substrate; and methods of improving the roll off angle of the substrate. In some embodiments, the substrate includes a hydrophilic group-containing polymer or a hydrophilic group-containing polymer coating.