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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.:

US 12606661 B1

PDFFull Text
Date of Patent:
Apr. 21, 2026

Filed:

Feb. 02, 2022

Compositions and articles including perfluoropolyether bottlebrush polymers and methods of making and using same

Applicant:

Donaldson Company, Inc., Bloomington, MN (US);

Inventors:

Stephen K. Sontag, Plymouth, MN (US);

Matthew P. Goertz, Bloomington, MN (US);

Andrew J. Dallas, Lakeville, MN (US);

Assignee:

Donaldson Company, Inc., Bloomington, MN (US);

Attorney:

Mueting Raasch Group

Primary Examiner:

Randy P Gulakowski

Assistant Examiner:

Audra J Destefano

Int. Cl.
CPC ...
C08F 220/24 (2006.01); B01D 39/16 (2006.01); C08G 65/22 (2006.01);
U.S. Cl.
CPC ...
C08F 220/24 (2013.01); B01D 39/16 (2013.01); B01D 2239/0414 (2013.01); C08G 65/226 (2013.01); C08G 2340/00 (2013.01); C08G 2650/48 (2013.01);
Abstract

This disclosure describes compositions including a perfluoropolyether (PFPE) bottlebrush polymer, optionally blended with other fluoropolymers. The compositions may be disposed on an article, including, for example, a porous filtration media, to form a fluoropolymer-containing article. This disclosure further describes methods of making fluoropolymer-containing articles and methods of using the fluoropolymer-containing articles.

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Quick Actions:

Sontag, Stephen. (2026). Compositions and articles including perfluoropolyether bottlebrush polymers and methods of making and using same (U.S. Patent No. 12606661). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12606661

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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