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. 19, 2023
Filed:
Feb. 12, 2021
Applicant:
Donaldson Company, Inc., Minneapolis, MN (US);
Inventors:
Robert O. Nelson, Eagan, MN (US);
Suresh B. Bommineni, Shakopee, MN (US);
Neil L. Taurinskas, Chisago City, MN (US);
Assignee:
Donaldson Company, Inc., Minneapolis, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/32 (2006.01); B32B 27/08 (2006.01); B32B 5/02 (2006.01); B32B 27/36 (2006.01); B32B 37/06 (2006.01); B32B 37/18 (2006.01);
U.S. Cl.
CPC ...
B32B 27/322 (2013.01); B32B 5/022 (2013.01); B32B 27/08 (2013.01); B32B 27/365 (2013.01); B32B 37/06 (2013.01); B32B 37/18 (2013.01); B32B 2250/03 (2013.01); B32B 2250/04 (2013.01); B32B 2250/24 (2013.01); B32B 2305/026 (2013.01); B32B 2307/724 (2013.01); B32B 2307/732 (2013.01);
Abstract
This disclosure describes an expanded polytetrafluoroethylene (ePTFE) composite, methods of making the composite, and methods of using the composite. In some aspects, the ePTFE composite includes a first layer of ePTFE, a nonwoven layer, and a second layer of ePTFE, wherein a major surface of the first layer of ePTFE is in contact with a first major surface of the nonwoven layer, and wherein a first major surface of the second layer of ePTFE is in contact with a second major surface of the nonwoven layer.