Patent ID: 11925573
Assignee: DONALDSON COMPANY, INC.
Field: Chemical engineering (Chemistry)
Classification: CPC A  B | IPC A  B

Claim 19:
20. A system of filter assemblies for an enclosure and a release liner, comprising:
a release liner; and
a plurality of filter assemblies located on the release liner, each filter assembly comprising:
an enclosure side and a side opposite from the enclosure side;
a first layer which is gas permeable; and
an adsorbent layer comprising adsorbent particles;
wherein the enclosure side of the filter assembly comprises:
an adhesive zone in which adhesive is present having an outer adhesive perimeter;
a weld area adjacent to at least a portion of the adhesive zone, where the filter assembly is heat-sealable to the ostomy bag at the weld area.