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Composition of magnetic materials for sensing and decontaminating toxic chemicals
US9925519B1 · US · B1
| Field | Value |
|---|---|
| Publication number | US-9925519-B1 |
| Application number | US-201715710272-A |
| Country | US |
| Kind code | B1 |
| Filing date | Sep 20, 2017 |
| Priority date | Jun 12, 2015 |
| Publication date | Mar 27, 2018 |
| Grant date | Mar 27, 2018 |
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- Title
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Abstract
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A method and composition of matter for detecting and decontaminating hazardous chemicals, the composition of matter including: a magnetic material for any of chemisorbing, molecularly dissociating, or decomposing a hazardous chemical, wherein the magnetic material changes its magnetic moment upon any of chemisorption, decomposition, and molecular dissociation of the hazardous chemical and the change in magnetic moment is used to detect the presence of the hazardous chemical, and wherein the hazardous chemical includes any of toxic industrial chemicals, chemical warfare agents, and chemical warfare agent related compounds.
First claim
Opening claim text (preview).
What is claimed is: 1. A composition of matter, comprising: a magnetic material for any of chemisorbing, molecular dissociating, and decomposing a hazardous chemical, wherein said magnetic material undergoes a change in magnetic moment upon any of chemisorption, decomposition, and molecular dissociation of said hazardous chemical, and wherein said change in magnetic moment results from a change in a cation valency upon any of said chemisorption, decomposition, and molecular dissociation of said hazardous chemical. 2. The composition of claim 1 , further comprising a magnetic material that shows change in any of IR spectra, UV-Vis spectra, Raman spectra, and impedance spectra, wherein said change correlates to said any of chemisorption, decomposition, and molecular dissociation of said hazardous chemical, and wherein said change in impedance spectra results from an electronic property change in said magnetic material upon said any of chemisorption, decomposition, and molecular dissociation of said hazardous chemical. 3. The composition of claim 1 , wherein said magnetic material comprises a LnFe 2 O 4 compound that performs any of chemisorbing, decomposing, and molecular dissociating said hazardous chemical. 4. The composition of claim 3 , wherein said lanthanide (Ln) is selected from the group consisting of Ce, Pr, Nd, Pm, Eu, and Tb. 5. The composition of claim 3 , wherein said LnFe 2 O 4 comprises TmFe 2 O 4 .
Assignees
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Classifications
comprising oxides or hydroxides of metals not provided for in group B01J20/04 · CPC title
- B01J20/28009Primary
Magnetic properties · CPC title
Hydrogen sulfide · CPC title
Inorganic halogen compounds · CPC title
by investigating magnetic variables · CPC title
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- What does patent US9925519B1 cover?
- A method and composition of matter for detecting and decontaminating hazardous chemicals, the composition of matter including: a magnetic material for any of chemisorbing, molecularly dissociating, or decomposing a hazardous chemical, wherein the magnetic material changes its magnetic moment upon any of chemisorption, decomposition, and molecular dissociation of the hazardous chemical and the c…
- Who is the assignee on this patent?
- U S Army Edgewood Chemical Biological Center, Us Army
- What technology area does this patent fall under?
- Primary CPC classification B01J20/28009. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Mar 27 2018 00:00:00 GMT+0000 (Coordinated Universal Time) (B1). 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).