Medicament Preparation and Treatment Devices, Methods, and Systems
US-2024277909-A1 · Aug 22, 2024 · US
Gravity filter
US2018346351A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2018346351-A1 |
| Application number | US-201816002292-A |
| Country | US |
| Kind code | A1 |
| Filing date | Jun 7, 2018 |
| Priority date | Dec 16, 2011 |
| Publication date | Dec 6, 2018 |
| Grant date | — |
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Abstract
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Embodiments of a gravity filter for potable water comprise a loose filter bed comprising ion exchange resin particles and activated carbon particles, and a porous non-woven filter substrate disposed downstream of the loose filter bed, wherein the porous non-woven filter substrate comprises an impregnated heavy metal scavenger.
First claim
Opening claim text (preview).
What is claimed is: 1 . A method of filtering water comprising: introducing water into a gravity filter; and filtering the water in the gravity filter; wherein the gravity filter comprises: a loose filter bed comprising an ion exchange resin and activated carbon; and a porous non-woven filter substrate disposed downstream of the loose filter bed, the porous non-woven filter substrate comprising a fibrous material impregnated with heavy metal scavenger particles and furthe…
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Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Operations & Transport · mapped topic
- C02F1/42Primary
Chemistry & Metallurgy · mapped topic
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- What does patent US2018346351A1 cover?
- Embodiments of a gravity filter for potable water comprise a loose filter bed comprising ion exchange resin particles and activated carbon particles, and a porous non-woven filter substrate disposed downstream of the loose filter bed, wherein the porous non-woven filter substrate comprises an impregnated heavy metal scavenger.
- Who is the assignee on this patent?
- Mitchell Michael Donovan, Helen Of Troy Ltd
- What technology area does this patent fall under?
- Primary CPC classification C02F1/42. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Thu Dec 06 2018 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).