No assignee for this patent application has been made.
Reporters obtained the following quote from the background information supplied by the inventors: "The invention generally relates to applications that use glass microparticles and/or nanoparticles made from recycled glasses.
"Silica microparticles and silica nanoparticles are used in many applications. However, manufacturing silica microparticles and/or silica nanoparticles may be difficult and is expensive. A pound of silica microparticles or silica nanoparticles can cost in a range of
In addition to obtaining background information on this patent application, VerticalNews editors also obtained the inventor's summary information for this patent application: "Glass microparticles and glass nanoparticles can be manufactured economically from recycled glass. There are a myriad of applications of glass microparticles and glass nanoparticles. Applications of glass nanoparticles and glass microparticles include, but are not limited to, reflective paints, abrasive papers/wheels, flame retardant paints, thermal insulation for concretes, self-cleaning stucco, absorbent of oils and gasoline, cosmetics (lipstick, foundation, etc.), medicated dental implant, targeted drug delivery systems, grease trap sensors, 3D glass printing, etc.
"In one embodiment, a method of removing environmental hydrocarbon contamination comprises: applying glass microparticles and/or glass nanoparticles to hydrocarbons in a contaminated area; and removing the glass microparticles and/or glass nanoparticles from the contaminated area. The glass microparticles and/or glass nanoparticles may be produced from recycled glass. The method may be used for removal of oil, diesel, and/or gasoline. In some embodiments, the contaminated area comprises a roadway, driveway, or parking area. In other embodiments, the contaminated area comprises a body of water.
"In one embodiment, a flame retardant paint comprises: pigments dispersed and/or dissolved in a liquid; and glass microparticles and/or glass nanoparticles. In some embodiments, the pigments are dispersed in an oil-based paint.
"In one embodiment, a building material is composed of an aggregate composite material with glass microparticles and/or glass nanoparticles dispersed in the aggregate. As used herein an aggregate composite material is a material that includes an aggregate. Aggregates are coarse particulate materials such as sand, gravel, crushed stone, slag, recycled concrete and geosynthetic aggregates. Examples of aggregate composite materials include concrete, cement, stucco, brick, plaster, and mortar.
"In one embodiment, a grease trap sensor includes a glass nanoparticle housing that includes a plurality of glass nanoparticles. The sensor may be placed in a grease trap and provide a signal when the grease trap needs to be cleared of the waste grease. In an embodiment, the glass nanoparticles of the grease sensor absorb fat, oil and grease in the wastewater stream as the wastewater stream is processed through the grease trap. When a predetermined amount of grease is absorbed by the nanoparticles, the increased weight of the nanoparticles causes a signal to be produced which indicates that the grease trap needs to be emptied of the waste hydrocarbons.
"In another embodiment, glass nanoparticles may be used to produce 3D glass objects using 3D printing technologies. Glass nanoparticles may be applied in layers and melted/fused together to form 3D glass objects. It was found that relatively low power lasers can be used to form 3D glass objects when using glass nanoparticles.
BRIEF DESCRIPTION OF THE DRAWINGS
"Advantages of the present invention will become apparent to those skilled in the art with the benefit of the following detailed description of embodiments and upon reference to the accompanying drawings in which:
"FIG. 1 depicts a projection view of a hydrocarbon sensor; and
"FIG. 2 depicts a cross-sectional diagram of a grease trap that includes a hydrocarbon sensor.
"While the invention may be susceptible to various modifications and alternative forms, specific embodiments thereof are shown by way of example in the drawings and will herein be described in detail. The drawings may not be to scale. It should be understood, however, that the drawings and detailed description thereto are not intended to limit the invention to the particular form disclosed, but to the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the present invention as defined by the appended claims."
For more information, see this patent application: Sarkar,
Keywords for this news article include: Patents, Nanoparticle, Nanotechnology, Emerging Technologies.
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