Patents

US 12758921 B2: Fluorinated filter membrane, filters, and methods

Granted: 2026-10-13
Filed: 2024-02-13 application 18440494
Type: Utility · 16 claims
Elsewhere: Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗

Abstract

Described are filtration membranes that include a porous fluoropolymer membrane and thermally stable ionic groups; filters and filter components that include these filtration membranes; methods of making the filtration membranes, filters, and filter components; and method of using a filtration membrane, filter component, or filter to remove unwanted material from fluid.

Source: PTBLXML, file of 2026-10-13 (ipgb20261013.xml).

Assignees

Assignee	Type	Place	Also on furp.org	Source
Entegris, Inc. 666 patents	US company or organization	Billerica, MA	ENTEGRIS, INC. Federal lobbying client EXACT high confidence: identical full name and state ENTEGRIS INC SEC filer EXACT medium confidence: identical full name, one of each nationally	PTBLXML, file of 2026-10-13

Inventors

Inventor	Place	Patents	Person page	Source
James A. Hamzik	North Billerica, MA			PTBLXML, file of 2026-10-13
Nicholas Filipancic	Medford, MA			PTBLXML, file of 2026-10-13

CPC categories

Subclass	Category	First group	Source
B01D	Separation	B01D63/08	PTBLXML, file of 2026-10-13

Cooperative Patent Classification, as currently assigned (one row per subclass).

Assignments and security interests

No recorded assignments or security interests on file for this patent.

USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.