Patent ID: 11921046
Assignee: HONEYWELL INTERNATIONAL INC.
Field: Chemical engineering (Chemistry)
Classification: CPC B  G | IPC B  G

Claim 10:
11. A filter comprising:
a metal substrate defining a plurality of apertures configured to allow a gas to pass through the apertures, the metal substrate comprising a metal alloy, the metal alloy comprising a first metal and a second metal; and
a plurality of carbon nanotubes (CNTs) grown on a surface of a first phase precipitated out from a second phase of the metal alloy, the plurality of carbon nanotubes configured to capture at least one particle contained in the gas passing through the metal substrate,
wherein the first phase comprises a gamma prime phase of nickel or cobalt, wherein the gamma prime phase of the nickel or the cobalt is part of a structure of the metal substrate.