Method of producing stable, active and mass-producible pt3ni catalysts through preferential co etching
US-2018316023-A1 · Nov 1, 2018 · US
Method of forming inorganic nanocages
US11325112B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11325112-B2 |
| Application number | US-202016876206-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 18, 2020 |
| Priority date | Apr 1, 2016 |
| Publication date | May 10, 2022 |
| Grant date | May 10, 2022 |
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Abstract
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Nanocages are formed by etching nanocubes. The nanocubes are added to an aqueous system having an amphiphilic lipid dissolved in an organic solvent (e.g. a hydrophobic alcohol) to form reverse micelles. As the water evaporates the micelles shrink as etching of the flat surface of the nanocubes occurs. In this fashion hollow nanocages are produced. In one embodiment, the nanocage is covalently attached to a polymer shell (e.g. a dextran shell).
First claim
Opening claim text (preview).
What is claimed is: 1. A composition of matter comprising: an inorganic nanocage with a diameter less than 15 nm, wherein the inorganic nanocage comprises palladium, iron oxide or gold; a polymer shell comprising dextran surrounding the inorganic nanocage, wherein the polymer shell has a diameter of less than 50 nm and the inorganic nanocage is covalently attached to the polymer shell by a dopamine. 2. The composition of matter as recited in claim 1 , wherein the inorganic nanocage is a gold nanocage. 3. The composition of matter as recited in claim 1 , wherein the inorganic nanocage is a palladium nanocage. 4. A composition of matter comprising: an iron oxide nanocage with a diameter less than 15 nm; a polymer shell comprising dextran surrounding the inorganic nanocage, wherein the polymer shell has a diameter of less than 50 nm and the iron oxide nanocage is covalently attached to the polymer shell by a dopamine.
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Classifications
Indexing scheme associated with group B01J35/00, related to the analysis techniques used to determine the catalysts form or properties · CPC title
Scanning electron microscopy; Transmission electron microscopy · CPC title
Nanoparticles · CPC title
Infrared [IR] · CPC title
Nuclear magnetic resonance [NMR] · CPC title
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- What does patent US11325112B2 cover?
- Nanocages are formed by etching nanocubes. The nanocubes are added to an aqueous system having an amphiphilic lipid dissolved in an organic solvent (e.g. a hydrophobic alcohol) to form reverse micelles. As the water evaporates the micelles shrink as etching of the flat surface of the nanocubes occurs. In this fashion hollow nanocages are produced. In one embodiment, the nanocage is covalently a…
- Who is the assignee on this patent?
- Univ City New York Res Found
- What technology area does this patent fall under?
- Primary CPC classification A61K49/1863. Mapped technology areas include Human Necessities.
- When was this patent published?
- Publication date Tue May 10 2022 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 3 related publications on this page (citations in our corpus or others sharing the same primary CPC).