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US 11,078,821 B2Granted
Catalytic composite
AssigneeW. L. Gore & Associates, Inc.
InventorsRobert Eves, Tarun Poddar, John A. Tomanovich
Life of this patent
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Abstract
A catalytic composite is formed of a catalytic layered assembly including a porous catalytic fluoropolymer film and one or more felt batts connected with the porous catalytic fluoropolymer film. At least one felt batt is positioned adjacent the upstream side of the porous catalytic fluoropolymer film to form the catalytic composite. The fluoropolymer film is perforated to allow for enhanced airflow therethrough while retaining the capability of catalyzing the reduction or removal of chemical species in fluid flowing through the catalytic composite.
Claims17
A catalytic composite, comprising:
- a catalytic layered assembly comprising:
- a porous catalytic fluoropolymer film having an upstream side and a downstream side,
- wherein the porous catalytic fluoropolymer film includes a material comprising pores;
- and one or more felt batts comprising a first felt batt positioned adjacent the upstream side of the porous catalytic fluoropolymer film;
- wherein the porous catalytic fluoropolymer film comprises a plurality of perforations,
- wherein each of the plurality of perforations is a straight passageway from an entrance surface at the upstream side of the porous catalytic fluoropolymer film to an exit surface at the downstream side of the porous catalytic fluoropolymer film,
- i) wherein the straight passageway is configured to enhance flow therethrough as compared to flow via the pores of the material, and
- ii) wherein the straight passageway has a diameter of 0.1 mm to 3 mm;
- wherein a percent open area of the porous catalytic fluoropolymer film is from 0.14% to 50%.
6 more elements
Dependencies are inferred from the claim text.