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:
Mar. 12, 2024
Filed:
Dec. 22, 2022
Donaldson Company, Inc., Bloomington, MN (US);
Lloyd G. Keleny, Champlin, MN (US);
Veli E. Kalayci, Farmington, MN (US);
Michael J. Hebert, St. Paul, MN (US);
Yehya A. Elsayed, St. Paul, MN (US);
David W. Mulder, Bloomington, MN (US);
Andrew J. Dallas, Lakeville, MN (US);
Donaldson Company, Inc., Bloomington, MN (US);
Abstract
A filter assembly for an enclosure, particularly for an ostomy bag, is described having an enclosure side, a first layer which is gas permeable, and an adsorbent layer comprising adsorbent particles dispersed in a fine fiber web. The enclosure side of the filter assembly includes an adhesive zone in which adhesive is present having an outer adhesive perimeter and a weld area surrounding at least a portion of the adhesive zone, where the filter assembly is heat-sealable to the enclosure at the weld area. A method of assembly is also described.