B01D2239/045

NON-COMBUSTIBLE AEROSOL DELIVERY SYSTEM

There is provided a non-combustible aerosol delivery system for filtering exhaled breath, the aerosol delivery system including a power source; a mouthpiece; a filter unit; an inhalate airflow path adapted to convey vapor generated by the aerosol delivery system to the user during an inhalation, and an exhalate airflow path adapted to convey breath from the user to the filter unit during an exhalation into the aerosol delivery system.

Air-permeable sheet filter material, methods for the production and use thereof

The present invention relates to a sheet filter material, in particular having an aerosol filter function and/or a particle filter function, preferably having a protective function against chemical, biological and/or chemical harmful and toxic substances, and to a method for the production thereof. The sheet filter material is particularly suitable for producing protective equipment, protective objects, sports and leisure clothing and filters and filter materials of all types.

Filter assembly and air cleaner having the same

A filter assembly is provided. The filter assembly includes a plurality of filter modules each filled with activated carbon and continuously connected; and a frame to which the plurality of filter modules are fixed, wherein the plurality of filter modules are disposed at predetermined angles relative to each other.

FILTERS WITH ODOR-CONTROLLING COMPOSITIONS
20170340998 · 2017-11-30 · ·

A filter is treated with a reduced amount of a halo active aromatic sulfanomide compound of Formula (I):

##STR00001##

wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, and R.sub.5 are independently selected from hydrogen, COOR′, CON(R″).sub.2, alkoxy, CN, NO.sub.2, SO.sub.3R″, halogen, substituted or unsubstituted phenyl, sulfonamide, halosulfonamide, and substituted or unsubstituted C.sub.1-C.sub.12 alkyl; R′ is hydrogen, an alkali metal, an alkaline earth metal, substituted C.sub.1-C.sub.12 alkyl, or unsubstituted C.sub.1-C.sub.12 alkyl; and R″ is hydrogen or substituted or unsubstituted C.sub.1-C.sub.12 alkyl, where the two R″ groups in CON(R″).sub.2 may be independently selected; X is halogen; M is an alkali or alkaline earth metal; and n is the number of water molecules per molecule of the sulfonamide compound. The compound effectively suppresses odors pre-use, in use, and post-use for extended periods of time.

AIR FILTER MEDIUM, FILTER PACK, AIR FILTER UNIT, AND METHOD FOR PRODUCING THE SAME

An air filter medium having a large thickness and a low filling factor, a filter pack, an air filter unit, and methods for producing the air filter medium, the filter pack, and the air filter unit are provided. The air filter medium includes a fluororesin porous film having a portion with a filling factor of 3.5% or less, and the portion with a filling factor of 3.5% or less has a thickness of 45 μm or more.

Pathogen-killing filter assemblage

A filter configured for capturing and killing pathogens, the filter including a first breathable layer including copper; and a second breathable layer including silver, the second breathable layer coupled to the first breathable layer, wherein the first breathable layer and the second breathable layer cooperate to capture and kill pathogens mobilized through at least one of the first breathable layer and the second breathable layer.

REUSABLE EXOSKELETON FRAME WITH U-SHAPED LOCKING MEMBERS AND ECO-FRIENDLY AIR FILTER ELEMENT
20220134267 · 2022-05-05 ·

A replaceable air filter element has a multilayer filter medium panel configured for mounting on a reusable exoskeleton support frame. The exoskeleton support frame is installable on a flow face of the filter medium panel and is provided with U-shaped locking members configured to detachably engage with and mount the filter medium panel. The exoskeleton support frame is configured to be reused such that only the filter medium panel is replaced, thereby reducing the environmental waste and making for a “green” eco-friendly air filter element.

ANTIBACTERIAL DEODORIZING MASK INCLUDING TITANIUM DIOXIDE
20220008765 · 2022-01-13 ·

An antibacterial deodorizing mask including titanium dioxide according to the present disclosure includes: a mask body configured to surround at least one of a wearer's mouth and nose; and a pair of ear loops provided at both sides of the mask body so as to be hung on the wearer's ears and each having both ends coupled to upper and lower portions of the mask body, respectively, in which the mask body includes titanium dioxide particles having an average particle diameter D50 of 0.2 mm to 2 mm.

Fluid Filter and Spill Kit Extreme Odor and Toxin Eliminator, Composition and Process
20230277965 · 2023-09-07 ·

A fluid filter, filtering medium composition, and associated process for removing compounds containing sulfur or other undesirable contaminants from fluids along with unpleasant tastes and odors.

CABIN AIR FILTERS FOR VEHICLES
20230347272 · 2023-11-02 ·

A cabin air filter for use in cabins of vehicles for air filtration and conditioning of indoor environment in the cabin. The cabin air filter includes a filter media encased in a frame and a fragrance formulation deposited on the filter media.