Matches 1 - 36 out of 36
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6906009 Drilling fluid containing microspheres and use thereof  
The present invention provides a drilling fluid composition and a method of drilling comprising a drilling fluid, which may be oil- or water-based, and a composite microsphere component. The...
EP0740581B1 YTTRIA PARTICULATE MATERIAL  
Abstract not available for EP0740581 Abstract of corresponding document: WO9519841 A particulate material which comprises hollow or cup-shaped ceramic microspheres having a diameter in the range...
6747180 Metal catalysts  
Metal catalysts comprising hollow forms or spheres are made of metal alloy and optionally activated. The metal catalysts can be used for the hydrogenation, dehydrogenation, isomerization reductive...
6573213 Metal catalysts  
Metal catalysts comprising hollow forms or spheres are made of metal alloy and optionally activated. The metal catalysts can be used for the hydrogenation, dehydrogenation, isomerization reductive...
6548883 Reduced RC between adjacent substrate wiring lines  
A void is defined between adjacent wiring lines to minimize RC coupling. The void has a low dielectric value approaching 1.0. For one approach, hollow silicon spheres define the void. The spheres...
6537518 Particulate material  
A particulate material comprises hollow or cup-shaped ceramic microspheres having a diameter in the range of from 5 to 200 microns, the microspheres being formed from a base material comprising...
6528446 Process for making clay spheroids  
A process of making ceramic spheroids by firing clay spheroids comprising by weight percent: FeO (3.22-5.21), Fe 3 O 4 (3.40-5.11), SiO 2 (52.49-59.42), CaO (1.99-7.96), MgO (2.81-4.69), Al 2 O 3...
6396119 Reduced RC delay between adjacent substrate wiring lines  
A void is defined between adjacent wiring lines to minimize RC coupling. The void has a low dielectric value approaching 1.0. For one approach, hollow silicon spheres define the void. The spheres...
6371171 Agglomeration of finely divided powders  
A method of treating a finely divided powder is provided including a) forcing the powder through the apertures of a sieve to form agglomerates; and b) spheronizing the agglomerates. The method...
6258338 Hollow or cup-shaped microparticles and methods of use  
A particulate material which comprises hollow or cup-shaped ceramic microspheres having a diameter in the range of from 5 to 200 microns. The material may comprise a beta- or gamma-emitting...
EP0694365B2 Improved oscillating hand tool  
Abstract of EP0694365 A dual function powered oscillating hand tool comprises (i) a drive unit (5) having an electric motor and a drive shaft (7); (ii) a bearing (15) mounted on the drive shaft...
EP0708901B1 CERAMIC COMBUSTION SUPPORT ELEMENT FOR SURFACE RADIANT BURNERS  
Abstract not available for EP0708901 Abstract of corresponding document: US5749721 PCT No. PCT/EP94/02419 Sec. 371 Date May 29, 1996 Sec. 102(e) Date May 29, 1996 PCT Filed Jul. 22, 1994 PCT Pub....
5885547 Particulate material  
A particulate material which comprises hollow or cup-shaped ceramic microspheres having a diameter in the range of from 5 to 200 microns. The material may comprise a beta- or gamma-emitting...
5835987 Reduced RC delay between adjacent substrate wiring lines  
A void is defined between adjacent wiring lines to minimize RC coupling. The void has a low dielectric value approaching 1.0. For one approach, hollow silicon spheres define the void. The spheres...
5749721 Ceramic combustion support element for surface burners and process for producing the same  
Combustion support element (E), in particular for quasi-flameless surface burners, consisting of a ceramic material having a plurality of throughflow openings, the ceramic material is a porous,...
5496644 Plasma sprayed mullite coatings on silicon-base ceramics  
A silicon-base ceramic substrate is provided with a mullite chemical barrier/thermal barrier coating uniformly bonded to a surface. The coating is substantially free of amorphous mullite.
EP0694365A1 Improved oscillating hand tool  
A dual function powered oscillating hand tool comprises (i) a drive unit (5) having an electric motor and a drive shaft (7); (ii) a bearing (15) mounted on the drive shaft (7) and located...
5391404 Plasma sprayed mullite coatings on silicon-base ceramics  
A silicon-base ceramic substrate is provided with a mullite coating by flame-spraying heated crystalline mullite powders onto a substrate that is preheated to a temperature in excess of 800° C....
5077241 Sol gel-derived ceramic bubbles  
Discrete, free-flowing, ceramic microbubbles consist essentially of at least one of a non-oxide component and an oxide component having diameters in the range of 1 to 300 micrometers and each...
5024289 Insulated double-walled exhaust pipe  
A double-walled cylinder in the form of an exhaust pipe, muffler, or catalytic converter is provided less heat or sound conductive in its radial direction by filling the annular gap between the...
4973566 Cordierite material useful in a heat source retainer and process for making the same  
A porous cordierite ceramic and a process for making the same are provided by the present invention. Preferably, the ceramic material includes at least about 95 percent cordierite in the crystal...
4769189 Process for making hollow, ceramic spheroids  
Process for making hollow, ceramic macrospheres by making a paste of a continuous phase material (e.g., sodium silicate or potassium silicate) and an insolubilizing agent (e.g., kaolin clay)....
4701436 Catalytic, hollow, refractory spheres  
Improved, heterogeneous, refractory catalysts are in the form of gas-impervious, hollow, thin-walled spheres (10) suitable formed of a shell (12) of refractory such as alumina having a cavity (14)...
4677095 Stabilized alumina catalyst support coatings  
A method for stabilizing alumina supports for metal catalysts by impregnating the support with an aqueous dispersion of a high molecular weight, water dispersible polyorganosiloxane and calcining.
4663024 Process for catalytic conversion of hydrocarbon feedstock  
Process for refining hydrocarbon feedstocks comprising contacting a hydrocarbon feedstock with zeolite-containing particles that are free-flowing, discrete, rounded, rigid, frangible, hollow, and...
4657810 Fired hollow ceramic spheroids  
A hollow, ceramic macrosphere or spheroid comprising a relatively smooth outer skin and cellular shell is produced in the 2-20 mm diameter range with specific gravities in the 0.2-1.2 range. The...
4637990 Hollow porous microspheres as substrates and containers for catalysts and method of making same  
Hollow porous microspheres are used as substrates and containers for catalyst to make microsphere catalysts. The hollow porous microspheres are made from dispersed particle compositions. The...
4628042 Porous mullite  
Clay convertible by thermal treatment into crystalline mullite and silica is formed into green coherent bodies of desired size and shape such as, for example, microspheres, pellets or honeycombs....
4608357 Catalytic cracking with mullite composition promoted combustion of carbon monoxide  
The present invention provides novel catalyst products for promoting the combustion of carbon monoxide, particularly in catalytic cracking units, especially FCC units. The improved products of the...
4576926 Catalytic hollow spheres  
The improved, heterogeneous catalysts are in the form of gas-impervious, hollow, thin-walled spheres (10) suitably formed of a shell (12) of metal such as aluminum having a cavity (14) containing a...
4546090 Hollow zeolite-containing particles useful as refining catalysts  
Novel zeolite-containing particles. The particles are free-flowing, discrete, rounded, rigid, frangible, hollow, and opaque. The shell or wall of each particle is porous to gases and fluids. The...
EP0154751A2 Process for preparation of composite materials comprising porous, hollow particles.  
Abstract not available for EP0154751 Abstract of corresponding document: US4670303 The present invention relates to materials and more particularly to composite materials in which a selected...
EP0089425A1 Method for the preparation of integral shaped replications of shaped, porous and dissolvable materials for use as adsorbents in fixed bed adsorption processes.  
Integral shaped replications which may be used as supports for catalysts or as adsorbents comprise a carbonaceous pyropolymer structure which has been prepared by treating a substrate material with...
4325846 Adsorbent materials for oils and fats  
A porous adsorbent material for oils and fats consisting essentially of a sintered product of a basic composition consisting of a mixture of silica and clay having an infinite number of continuous,...
4292348 Low density ceramic insulating  
An insulating system and the method for the preparation thereof, for preparing a catalyst substrate or catalyst to provide a final product wherein a packing and catalyst are insulated from each...
4260524 Hollow catalyst carrier and hollow catalyst made of transition-alumina and process for production thereof  
A hollow catalyst carrier and hollow catalyst made of a transition-alumina (e.g. γ-alumina) which comprises a calcined product having a pipe-like or multi-cell structure and having a very large...
Matches 1 - 36 out of 36