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US-11883775-B2 · Jan 30, 2024 · US
Composition comprising an activated carbon, a zeolite, and Fe ions for a vehicle passenger compartment air filter
US9968908B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9968908-B2 |
| Application number | US-201013511922-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 26, 2010 |
| Priority date | Nov 27, 2009 |
| Publication date | May 15, 2018 |
| Grant date | May 15, 2018 |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
The invention relates to a composition ( 1 ) comprising an activated carbon ( 4 ) and a zeolite ( 2 ), the zeolite ( 2 ) comprising Fe ions. The invention also relates to an air filter ( 12 ) for a ventilation, heating, and/or air conditioning system comprising this composition ( 1 ).
First claim
Opening claim text (preview).
The invention claimed is: 1. A composition comprising an activated carbon and a zeolite, wherein the zeolite comprises 0.1 to 1.2% by mass of Fe ions, wherein the zeolite has a ZSM-5 crystalline structure, wherein the mass ratio of the zeolite to the activated carbon is 15%, and wherein the activated carbon has a B.E.T. surface area of 960 m 2 /g, a micropore volume of 0.344 cm 3 /g, a total pore volume of 0.404 cm 3 /g and a median pore diameter of 5.0 {acute over (Å)}. 2. The composition of claim 1 , wherein the Fe ions are ferric or ferrous ions. 3. The composition of claim 1 , wherein the Fe ions are held inside the zeolite. 4. The composition of claim 1 , wherein the zeolite has a SiO 2 /Al 2 O 3 molar ratio of between 60 and 20. 5. The composition of claim 1 , wherein the zeolite has a SiO 2 /Al 2 O 3 molar ratio of between 50 and 30. 6. The composition of claim 1 , wherein the zeolite has a SiO 2 /Al 2 O 3 molar ratio of 40. 7. The composition of claim 1 , wherein the zeolite is hydrophobic. 8. The composition of claim 1 , wherein the activated carbon is a mixture of distinct activated carbons. 9. An air filter for a ventilation, heating, and/or air conditioning system comprising the composition of claim 1 . 10. The air filter of claim 9 , wherein the zeolite and the activated carbon are arranged in a single layer.
Assignees
Inventors
Classifications
- B01J20/186Primary
Chemical treatments in view of modifying the properties of the sieve, e.g. increasing the stability or the activity, also decreasing the activity · CPC title
with stationary adsorbents {(B01D53/025 takes precedence)} · CPC title
Carbon · CPC title
by adsorption, e.g. preparative gas chromatography {(solid sorbent compositions B01J20/00, preparation of inorganic compounds or elements C01)} · CPC title
Porosity, e.g. pore volume · CPC title
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- What does patent US9968908B2 cover?
- The invention relates to a composition ( 1 ) comprising an activated carbon ( 4 ) and a zeolite ( 2 ), the zeolite ( 2 ) comprising Fe ions. The invention also relates to an air filter ( 12 ) for a ventilation, heating, and/or air conditioning system comprising this composition ( 1 ).
- Who is the assignee on this patent?
- Ladrech Frederic, Martinell Amanda, Caudy Natacha, and 4 more
- What technology area does this patent fall under?
- Primary CPC classification B01J20/186. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue May 15 2018 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). 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).