Patent
Atlas literature
Patent
US 11,471,854Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A process for scavenging a-lead (Pb) species from a solution, comprising- reacting nanoscale chemically exfoliated molybdenum disulfide (ce-MoS₂) nanosheets anchored on oxide supports with lead in solution at room temperature to obtain a reaction, whereby the reaction is rapid and spontaneous in a basic medium and results in formation of PbMoO₄-xSx, and thereby scavenging the lead species as either or both of Pb 2 + and Pb 4 * -from the solution. Currently amended
The process of claim 1, wherein the ce-MoS₂ nanosheets have a size up to 1 p m in length and a thickness of 1-3 layers. Previously presented
The process of claim 1, wherein the lead in solution is in a Pb 2 + and Pb 4 * state. Previously presented
The process of claim 1, wherein the solution comprises one or more anions as counter ions for Pb 2 + and Pb 4 *, said anions being selected from CH₃CO₂-, Cl-, N O 3 2 -, 50 4 2-, and 0 2-5. The process of claim 1, wherein the ce-MoS₂ nanosheets are supported on oxide and polymeric substrates that comprise one or more of Si₀ 2, A 1203, polystyrene and polyvinyl chloride. Previously presented
The process of claim 1 J _[-], wherein the supported ce- MoS₂ nanosheets comprise a filter in a filtering device to remove lead (Pb) species from the solution, the filtering device comprising at least one format selected from a candle, a molded porous block, a filter bed, a column, packets and bags. Currently amended
The process of claim 1 wherein the solution is selected from an aqueous solution and a non aqueous solution. Previously presented
The process of claim 1, wherein the solution comprises air and the lead species is present in the air, in suspended form. Previously presented
The process of claim 1, wherein ce-MoS₂ reacts 16771635.06-06-2022.L₄₃₈₇₄GVGREENX0.CLM.2.17.695.1949.809.1991.svg Chemistry Black and white Currently amended temperature to obtain a reaction, whereby the and results in formation of a heavy metal-metal species from the solution, wherein the heavy cadmium, mercury and chromium. Currently with either or both of Pb 2 + and SVG 0.14 0.38
A process -for scavenging a heavy metal species from a solution, comprising -reacting-nanoscale chemically exfoliated molybdenum disulfide _ (ce-MoS₂) nanosheets anchored on oxide supports with a heavy metal in solution at room reaction is rapid and spontaneous in a basic medium MoO₄- xSx, and thereby scavenging the heavy metal comprises at least one of lead, arsenic, amended
Layer stacks claimed or described, ordered top of device to substrate.
filtering device with ce-MoS₂ supported nanosheets filter
Materials described outside the worked examples.
chemically exfoliated molybdenum disulfide nanosheets
MoS₂
lead ions
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
Representative TEM image of ce-MoS₂ NSs with optical absorption spectrum in inset
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
ce-MoS2 nanosheet lateral size | ≤ 1 µm | MoS₂ |
ce-MoS2 nanosheet thickness | 1–3 layers |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 11,471,854Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A process for scavenging a-lead (Pb) species from a solution, comprising- reacting nanoscale chemically exfoliated molybdenum disulfide (ce-MoS₂) nanosheets anchored on oxide supports with lead in solution at room temperature to obtain a reaction, whereby the reaction is rapid and spontaneous in a basic medium and results in formation of PbMoO₄-xSx, and thereby scavenging the lead species as either or both of Pb 2 + and Pb 4 * -from the solution. Currently amended
The process of claim 1, wherein the ce-MoS₂ nanosheets have a size up to 1 p m in length and a thickness of 1-3 layers. Previously presented
The process of claim 1, wherein the lead in solution is in a Pb 2 + and Pb 4 * state. Previously presented
The process of claim 1, wherein the solution comprises one or more anions as counter ions for Pb 2 + and Pb 4 *, said anions being selected from CH₃CO₂-, Cl-, N O 3 2 -, 50 4 2-, and 0 2-5. The process of claim 1, wherein the ce-MoS₂ nanosheets are supported on oxide and polymeric substrates that comprise one or more of Si₀ 2, A 1203, polystyrene and polyvinyl chloride. Previously presented
The process of claim 1 J _[-], wherein the supported ce- MoS₂ nanosheets comprise a filter in a filtering device to remove lead (Pb) species from the solution, the filtering device comprising at least one format selected from a candle, a molded porous block, a filter bed, a column, packets and bags. Currently amended
The process of claim 1 wherein the solution is selected from an aqueous solution and a non aqueous solution. Previously presented
The process of claim 1, wherein the solution comprises air and the lead species is present in the air, in suspended form. Previously presented
The process of claim 1, wherein ce-MoS₂ reacts 16771635.06-06-2022.L₄₃₈₇₄GVGREENX0.CLM.2.17.695.1949.809.1991.svg Chemistry Black and white Currently amended temperature to obtain a reaction, whereby the and results in formation of a heavy metal-metal species from the solution, wherein the heavy cadmium, mercury and chromium. Currently with either or both of Pb 2 + and SVG 0.14 0.38
A process -for scavenging a heavy metal species from a solution, comprising -reacting-nanoscale chemically exfoliated molybdenum disulfide _ (ce-MoS₂) nanosheets anchored on oxide supports with a heavy metal in solution at room reaction is rapid and spontaneous in a basic medium MoO₄- xSx, and thereby scavenging the heavy metal comprises at least one of lead, arsenic, amended
Layer stacks claimed or described, ordered top of device to substrate.
filtering device with ce-MoS₂ supported nanosheets filter
Materials described outside the worked examples.
chemically exfoliated molybdenum disulfide nanosheets
MoS₂
lead ions
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
Representative TEM image of ce-MoS₂ NSs with optical absorption spectrum in inset
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
ce-MoS2 nanosheet lateral size | ≤ 1 µm | MoS₂ |
ce-MoS2 nanosheet thickness | 1–3 layers |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 11,471,854Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A process for scavenging a-lead (Pb) species from a solution, comprising- reacting nanoscale chemically exfoliated molybdenum disulfide (ce-MoS₂) nanosheets anchored on oxide supports with lead in solution at room temperature to obtain a reaction, whereby the reaction is rapid and spontaneous in a basic medium and results in formation of PbMoO₄-xSx, and thereby scavenging the lead species as either or both of Pb 2 + and Pb 4 * -from the solution. Currently amended
The process of claim 1, wherein the ce-MoS₂ nanosheets have a size up to 1 p m in length and a thickness of 1-3 layers. Previously presented
The process of claim 1, wherein the lead in solution is in a Pb 2 + and Pb 4 * state. Previously presented
The process of claim 1, wherein the solution comprises one or more anions as counter ions for Pb 2 + and Pb 4 *, said anions being selected from CH₃CO₂-, Cl-, N O 3 2 -, 50 4 2-, and 0 2-5. The process of claim 1, wherein the ce-MoS₂ nanosheets are supported on oxide and polymeric substrates that comprise one or more of Si₀ 2, A 1203, polystyrene and polyvinyl chloride. Previously presented
The process of claim 1 J _[-], wherein the supported ce- MoS₂ nanosheets comprise a filter in a filtering device to remove lead (Pb) species from the solution, the filtering device comprising at least one format selected from a candle, a molded porous block, a filter bed, a column, packets and bags. Currently amended
The process of claim 1 wherein the solution is selected from an aqueous solution and a non aqueous solution. Previously presented
The process of claim 1, wherein the solution comprises air and the lead species is present in the air, in suspended form. Previously presented
The process of claim 1, wherein ce-MoS₂ reacts 16771635.06-06-2022.L₄₃₈₇₄GVGREENX0.CLM.2.17.695.1949.809.1991.svg Chemistry Black and white Currently amended temperature to obtain a reaction, whereby the and results in formation of a heavy metal-metal species from the solution, wherein the heavy cadmium, mercury and chromium. Currently with either or both of Pb 2 + and SVG 0.14 0.38
A process -for scavenging a heavy metal species from a solution, comprising -reacting-nanoscale chemically exfoliated molybdenum disulfide _ (ce-MoS₂) nanosheets anchored on oxide supports with a heavy metal in solution at room reaction is rapid and spontaneous in a basic medium MoO₄- xSx, and thereby scavenging the heavy metal comprises at least one of lead, arsenic, amended
Layer stacks claimed or described, ordered top of device to substrate.
filtering device with ce-MoS₂ supported nanosheets filter
Materials described outside the worked examples.
chemically exfoliated molybdenum disulfide nanosheets
MoS₂
lead ions
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
Representative TEM image of ce-MoS₂ NSs with optical absorption spectrum in inset
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
ce-MoS2 nanosheet lateral size | ≤ 1 µm | MoS₂ |
ce-MoS2 nanosheet thickness | 1–3 layers |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 11,471,854Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A process for scavenging a-lead (Pb) species from a solution, comprising- reacting nanoscale chemically exfoliated molybdenum disulfide (ce-MoS₂) nanosheets anchored on oxide supports with lead in solution at room temperature to obtain a reaction, whereby the reaction is rapid and spontaneous in a basic medium and results in formation of PbMoO₄-xSx, and thereby scavenging the lead species as either or both of Pb 2 + and Pb 4 * -from the solution. Currently amended
The process of claim 1, wherein the ce-MoS₂ nanosheets have a size up to 1 p m in length and a thickness of 1-3 layers. Previously presented
The process of claim 1, wherein the lead in solution is in a Pb 2 + and Pb 4 * state. Previously presented
The process of claim 1, wherein the solution comprises one or more anions as counter ions for Pb 2 + and Pb 4 *, said anions being selected from CH₃CO₂-, Cl-, N O 3 2 -, 50 4 2-, and 0 2-5. The process of claim 1, wherein the ce-MoS₂ nanosheets are supported on oxide and polymeric substrates that comprise one or more of Si₀ 2, A 1203, polystyrene and polyvinyl chloride. Previously presented
The process of claim 1 J _[-], wherein the supported ce- MoS₂ nanosheets comprise a filter in a filtering device to remove lead (Pb) species from the solution, the filtering device comprising at least one format selected from a candle, a molded porous block, a filter bed, a column, packets and bags. Currently amended
The process of claim 1 wherein the solution is selected from an aqueous solution and a non aqueous solution. Previously presented
The process of claim 1, wherein the solution comprises air and the lead species is present in the air, in suspended form. Previously presented
The process of claim 1, wherein ce-MoS₂ reacts 16771635.06-06-2022.L₄₃₈₇₄GVGREENX0.CLM.2.17.695.1949.809.1991.svg Chemistry Black and white Currently amended temperature to obtain a reaction, whereby the and results in formation of a heavy metal-metal species from the solution, wherein the heavy cadmium, mercury and chromium. Currently with either or both of Pb 2 + and SVG 0.14 0.38
A process -for scavenging a heavy metal species from a solution, comprising -reacting-nanoscale chemically exfoliated molybdenum disulfide _ (ce-MoS₂) nanosheets anchored on oxide supports with a heavy metal in solution at room reaction is rapid and spontaneous in a basic medium MoO₄- xSx, and thereby scavenging the heavy metal comprises at least one of lead, arsenic, amended
Layer stacks claimed or described, ordered top of device to substrate.
filtering device with ce-MoS₂ supported nanosheets filter
Materials described outside the worked examples.
chemically exfoliated molybdenum disulfide nanosheets
MoS₂
lead ions
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
Representative TEM image of ce-MoS₂ NSs with optical absorption spectrum in inset
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
ce-MoS2 nanosheet lateral size | ≤ 1 µm | MoS₂ |
ce-MoS2 nanosheet thickness | 1–3 layers |
Related documents with shared materials, methods, properties, or citations.
PbMoO₄-xSx
silicon dioxide
SiO₂
aluminum oxide
Al₂O₃
polystyrene
polyvinyl chloride
heavy metals (lead, arsenic, cadmium, mercury, chromium)
PbMoO₄
HRTEM image of a nanosheet with FFT pattern inset and marked lattice plane
Raman spectrum of bulk MoS₂ and nanosheets
Standard peaks of PbMoO₄ plotted with observed XRD pattern before and after hydrothermal treatment of reaction product of MoS₂ and Pb₂+ ions
SEM image showing polyhedron morphology of PbMoO₄-xSx
Raman spectrum of reaction product of MoS₂ and Pb₂+ ions
PXRD pattern of reaction product (MoS₂ + Pb₄+ ions) before and after hydrothermal treatment
XPS data in Mo 3d, Pb 4f, S 2p and O 1s regions before and after hydrothermal treatment to support formation of PbMoO₄-xSx
Equilibrium Pb₂+ batch adsorption data fitted using Freundlich isotherm for Al₂O3@ce-MoS₂ and SiO2@MoS₂
Thickness | 200–1000 nm | — |
Thickness | 100–1000 cm | — |
Thickness | 600–700 nm | — |
PbMoO₄-xSx
silicon dioxide
SiO₂
aluminum oxide
Al₂O₃
polystyrene
polyvinyl chloride
heavy metals (lead, arsenic, cadmium, mercury, chromium)
PbMoO₄
HRTEM image of a nanosheet with FFT pattern inset and marked lattice plane
Raman spectrum of bulk MoS₂ and nanosheets
Standard peaks of PbMoO₄ plotted with observed XRD pattern before and after hydrothermal treatment of reaction product of MoS₂ and Pb₂+ ions
SEM image showing polyhedron morphology of PbMoO₄-xSx
Raman spectrum of reaction product of MoS₂ and Pb₂+ ions
PXRD pattern of reaction product (MoS₂ + Pb₄+ ions) before and after hydrothermal treatment
XPS data in Mo 3d, Pb 4f, S 2p and O 1s regions before and after hydrothermal treatment to support formation of PbMoO₄-xSx
Equilibrium Pb₂+ batch adsorption data fitted using Freundlich isotherm for Al₂O3@ce-MoS₂ and SiO2@MoS₂
Thickness | 200–1000 nm | — |
Thickness | 100–1000 cm | — |
Thickness | 600–700 nm | — |
PbMoO₄-xSx
silicon dioxide
SiO₂
aluminum oxide
Al₂O₃
polystyrene
polyvinyl chloride
heavy metals (lead, arsenic, cadmium, mercury, chromium)
PbMoO₄
HRTEM image of a nanosheet with FFT pattern inset and marked lattice plane
Raman spectrum of bulk MoS₂ and nanosheets
Standard peaks of PbMoO₄ plotted with observed XRD pattern before and after hydrothermal treatment of reaction product of MoS₂ and Pb₂+ ions
SEM image showing polyhedron morphology of PbMoO₄-xSx
Raman spectrum of reaction product of MoS₂ and Pb₂+ ions
PXRD pattern of reaction product (MoS₂ + Pb₄+ ions) before and after hydrothermal treatment
XPS data in Mo 3d, Pb 4f, S 2p and O 1s regions before and after hydrothermal treatment to support formation of PbMoO₄-xSx
Equilibrium Pb₂+ batch adsorption data fitted using Freundlich isotherm for Al₂O3@ce-MoS₂ and SiO2@MoS₂
Thickness | 200–1000 nm | — |
Thickness | 100–1000 cm | — |
Thickness | 600–700 nm | — |
PbMoO₄-xSx
silicon dioxide
SiO₂
aluminum oxide
Al₂O₃
polystyrene
polyvinyl chloride
heavy metals (lead, arsenic, cadmium, mercury, chromium)
PbMoO₄
HRTEM image of a nanosheet with FFT pattern inset and marked lattice plane
Raman spectrum of bulk MoS₂ and nanosheets
Standard peaks of PbMoO₄ plotted with observed XRD pattern before and after hydrothermal treatment of reaction product of MoS₂ and Pb₂+ ions
SEM image showing polyhedron morphology of PbMoO₄-xSx
Raman spectrum of reaction product of MoS₂ and Pb₂+ ions
PXRD pattern of reaction product (MoS₂ + Pb₄+ ions) before and after hydrothermal treatment
XPS data in Mo 3d, Pb 4f, S 2p and O 1s regions before and after hydrothermal treatment to support formation of PbMoO₄-xSx
Equilibrium Pb₂+ batch adsorption data fitted using Freundlich isotherm for Al₂O3@ce-MoS₂ and SiO2@MoS₂
Thickness | 200–1000 nm | — |
Thickness | 100–1000 cm | — |
Thickness | 600–700 nm | — |
