|
Match
|
Document |
Document Title |
|
|
7975508 |
Method for producing high silicate glass and high silicate glass
The present invention provides: a method for producing high silicate glass which has a low Fe concentration and can achieve a high UV transmittance while retaining advantages of Vycor glass that...
|
|
|
7927670 |
Silica microspheres, method for making and assembling same and possible uses of silica microspheres
The invention concerns silica microspheres (M) having an outer diameter between 50 and 125 μm, preferably between 60 and 90 μm, a wall thickness not less than 1 μm, preferably between 1 and 3 μm...
|
|
|
7900474 |
Hollow glass microspheres comprising selenium oxide and method of making thereof
Hollow glass microspheres are made using selenium oxide as the blowing agent. The use of selenium oxide provides two unique advantages: lower density and smaller hollow microspheres are obtained...
|
|
|
7884055 |
Ceramic microspheres for cementing applications
A method and apparatus for manufacturing ceramic microspheres from industrial slag. The microspheres have a particle size of about 38 microns to about 150 microns. The microspheres are used to...
|
|
|
7878026 |
Synthetic microspheres and methods of making same
A synthetic microsphere having a low alkali metal oxide content and methods of forming the microsphere and its components are provided. The synthetic microsphere is substantially chemically inert...
|
|
|
7730746 |
Apparatus to prepare discrete hollow microsphere droplets
Apparatus to eject on demand discrete hollow microsphere droplets that are characterized by a highly regular and predictable spherical shape, devoid of tails or other irregularities common in the...
|
|
|
7732049 |
Pellets for Se encapsulation
Pellets encapsulating selenium or a compound of selenium comprise one hollow cavity filled with the selenium surrounded by a matrix which is able to form an eutectic with at least one of the...
|
|
|
7700670 |
Low-density molding compound
A molding composition formulation includes a thermoset cross-linkable polymeric resin. Glass microspheroids are present such that upon cure of the resin the resulting article has a linear shrinkage...
|
|
|
7506523 |
Method of making hollow inorganic microspheres, and products made thereby
This invention relates to a low cost method of converting solid glass or ceramic microparticles into hollow microspheres by feeding them, along with pulverized coal, into coal-powered furnaces....
|
|
|
7297646 |
Ceramics comprising Al2O3, REO, ZrO2 and/or HfO2, and Nb2O5 and/or Ta2O5 and methods of making the same
Ceramics comprising (i) at least one of Nb2O5 or Ta2O5 and (ii) at least two of (a) Al2O3, (b) REO, or (c) at least one of ZrO2 or HfO2. Embodiments of ceramics according to the present invention...
|
|
|
7069747 |
Mirror blanks from inflatable balls
A method for constructing a mirror blank, including arranging hollow glass balls, on a front face sheet, and in close proximity to each other to permit fusing upon expansion; restricting the...
|
|
|
6578381 |
Fine glass particle containing embedded oxide and process for producing the same
The oxides-enclosed fine glass particles are arranged such that two or more pieces of at least two kinds of enclosing particles, which comprise oxides, double oxides, or salts of oxyacids, or...
|
|
|
6531222 |
Fine hollow glass sphere and method for preparing the same
It is an object of the present invention to provide hollow glass microspheres having particle properties of a low particle density and grain size properties of a sharp grain size distribution,...
|
|
|
6516633 |
Photochromic glass nanoparticles and methods of preparation
The present invention is directed to microemulsion techniques for rapidly preparing photochromic glass nanoparticles and to the photochromic glass nanoparticles so prepared. More particularly, the...
|
|
|
6360563 |
Process for the manufacture of quartz glass granulate
In a process for manufacture of dense, amorphous quartz glass granulate by production of a porous granulate from amorphous SiO2 powder and vitrification of the granulate, a porous SiO2 granulate is...
|
|
|
5849055 |
Process for producing inorganic microspheres
A process for producing inorganic microspheres (solid spheres or hollow spheres), which comprises pulverizing a material by wet pulverization to an average particle size of at most 5 μm to obtain ...
|
|
|
5833728 |
Method for the preparation of vitreous hollow microspheres
Provided is a method for the efficient preparation of fine hollow spherical glassy bodies having a high strength and excellent whiteness from a volcanic vitreous deposit as the starting material....
|
|
|
5713974 |
Insulation microspheres and method of manufacture
Evacuated microspheres, insulating materials constructed from such microspheres, and methods of manufacturing same provide insulation and reduce heat transfer through radiation, conduction and...
|
|
|
5643347 |
Process for manufacture of silica granules
To produce a free-flowing granulate which has a high bulk density and a defined particle size distribution, which generates little dust, is easy to handle, and is suitable as a starting material...
|
|
|
5624875 |
Inorganic porous material and process for making same
A process for producing inorganic porous materials is disclosed. The materials prepared by this process are favorably applied to producing columns for chromatography, porous filters for separating...
|
|
|
5534348 |
Hollow borosilicate microspheres and method of making
The present invention provides hollow borosilicate microspheres having a mean particle size between 15 and 20 microns, and a true density below 0.25 g/cc. The invention also provides a method for...
|
|
|
5501871 |
Thermal insulating material and method of manufacturing same
Hollow microspheres produced by the present method each have a hollow interior evacuated of gases to a predetermined pressure. A reflective material layer coats the exterior of each microsphere...
|
|
|
5397759 |
Hollow porous microspheres made from dispersed particle compositions
Hollow porous microspheres of uniform diameter and of uniform wall thickness are disclosed. The walls of the hollow microspheres comprise sintered together particles which define interconnecting...
|
|
|
5256180 |
Apparatus for production of hollow glass microspheres
Processes and apparatus for the production of hollow microspheres by thermal expansion of glass particles including the thermal treatment of extremely small glass particles whose dimensions are...
|
|
|
5227239 |
Production of hollow aerogel microspheres
A method is described for making hollow aerogel microspheres of 800-1200 μ diameter and 100-300 μ wall thickness by forming hollow alcogel microspheres during the sol/gel process in a catalytic a...
|
|
|
5225123 |
Methods for producing hollow microspheres made from dispersed particle compositions
Method for making hollow microspheres of substantially uniform diameter and of substantially uniform wall thickness is disclosed. The walls of the hollow microspheres comprise sintered together...
|
|
|
5176732 |
Method for making low sodium hollow glass microspheres
Low sodium hollow glass microspheres containing less than about 3 wt. % Na2 O are produced from aqueous precursors. The method comprises a) forming an aqueous glass precursor solution or slurry by...
|
|
|
5171346 |
Method of forming a composite thermal insulating material
A composite insulator is formed having evacuated hollow plastic enclosures arranged in a closely packed configuration with a foamed plastic resin filling the interstice between the plastic...
|
|
|
5069702 |
Method of making small hollow glass spheres
Small hollow glass spheres are prepared by adding a surfactant to a liquid glass precursor mixture. The surfactant-containing solution or dispersion can be formed into droplets which are directed...
|
|
|
5068071 |
Hollow spherical shell manufacture
A process for making a hollow spherical shell of silicate glass composition in which an aqueous suspension of silicate glass particles and an immiscible liquid blowing agent is placed within the...
|
|
|
5063179 |
Process for making non-porous micron-sized high purity silica
A process for making non-porous, dense, silica partices having a diameter of about 3 to 1000 microns, a nitrogen B.E.T. surface area less than about 1 m2 /g, a total impurity content of less than...
|
|
|
5055240 |
Method and apparatus for producing microshells
A method is described for forming hollow particles, or shells, of extremely small size. The shell material is heated to a molten temperature in the presence of a gas that is at least moderately...
|
|
|
5017523 |
Method for the preparation of ultra-fine hollow glass spheres
Ultra-fine hollow glass spheres suitable as a filler in light-weight composite materials for building use and the like can be prepared from a fine powder of volcanic glass even when the starting...
|
|
|
4966613 |
Method of producing effective porous glass shapes
Porous glass shapes with effective pores are produced by a method which also reduces the frequency of breakage of the glass shapes. The method includes: producing a plurality of the glass shapes,...
|
|
|
4966617 |
Process of manufacturing vitreous beads
A process of manufacturing vitreous beads in which particulate feedstock is delivered to a heated chamber and passed along it so that the feedstock is heated and converted to vitreous beads...
|
|
|
4960351 |
Shell forming system
Hollow shells of high uniformity are formed by emitting liquid through an outer nozzle and gas through an inner nozzle, to form a hollow extrusion, by flowing the gas at a velocity between about...
|
|
|
4952530 |
Dental composite material and process
A composite suitable for use as dental composite is provided by a glass material having a softening range of at least 10° C. and having a particle size of less than 250 mesh to provide a precursor ...
|
|
|
4904293 |
Production of high silica glass microspheres
Production of microspheres having a very high silica content produced from a starting glass whose silica content is less than 80% by weight, with the remainder being essentially made up of boron...
|
|
|
4904292 |
Spherulizing furnace and process of manufacturing vitreous beads
A spherulizing furnace for manufacturing vitreous beads includes feed means for delivering particulate feedstock, a spherulizing zone in which the feedstock particles may be heated and converted to...
|
|
|
4867931 |
Methods for producing fiber reinforced microspheres made from dispersed particle compositions
Fiber reinforced hollow microspheres made from dispersed particle film forming compositions including fibers, dispersed particles, a binder, a film stabilizing agent, a dispersing agent and a...
|
|
|
4778502 |
Production of glass microspheres
Processes and apparatus for the production of hollow microspheres by thermal expansion of glass particles including the thermal treatment of extremely small glass particles whose dimensions are...
|
|
|
4777154 |
Hollow microspheres made from dispersed particle compositions and their production
Hollow microspheres are made by a process which comprises forming a film of a dispersed particle film-forming composition (containing dispersed particles, a binder, a film stabilizing agent and a...
|
|
|
4774037 |
Method for producing solid or hollow spherical particles of chosen chemical composition and of uniform size
A method is provided for producing commercially large quantities of high melting temperature solid or hollow spherical particles of a predetermined chemical composition and having a uniform and...
|
|
|
4726829 |
Fabrication of precision glass shells by joining glass rods
A method for making uniform spherical shells. The present invention allows niform hollow spheres to be made by first making a void in a body of material. The material is heated so that the...
|
|
|
4693739 |
Method for producing glass bubbles
A method for producing glass bubbles, which comprises heating a glass powder containing a gas-blowing agent in an atmosphere containing steam having a partial steam pressure of at least 0.2...
|
|
|
4671994 |
Method for producing fiber reinforced hollow microspheres
Fiber reinforced hollow film forming material microspheres 17 made from a fiber and film forming material composition are described. The fiber reinforced hollow microspheres 17 are used to make...
|
|
|
4671909 |
Method for making hollow porous microspheres
Hollow microspheres are made by a process which comprises forming a film of a dispersed particle film-forming composition (containing dispersed particles, a binder, a film stabilizing agent and a...
|
|
|
4670035 |
Method and apparatus for generating microshells of refractory materials
A system is described for forming accurately spherical and centered fluid-filled shells, especially of high melting temperature material. Material which is to form the shells is placed in a solid...
|
|
|
4661137 |
Process for producing glass microspheres
The invention relates to a process and apparatus for producing hollow glass microspheres. According to embodiments of the invention, particles of a soda-lime-silica glass containing slight amounts...
|
|
|
4574063 |
Method of forming glass or ceramic article
Suspensions of particulate oxides, e.g., fumed silica, are prepared in non-aqueous media and the suspensions are used to cast shapes for glass or ceramic products. The suspensions are formed and...
|