Bizarre Patents
A forehead support apparatus for resting a standing users forehead against a wall above a bathroom commode or urinal or beneath a showerhead.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7745362 | Metal-containing structured ceramic materials There are provided in accordance with embodiments of the invention metal-containing inorganic block copolymers, structures formed by self-assembly of such copolymers, and metal-containing ceramics which may be formed from such copolymers and/or structure. Methods fo... | 06/29/2010 |
| 7354857 | Method of making iron silicide and method of making photoelectric transducer A solar cell comprises a substrate, and a metal electrode layer, a p-i-n junction, and a transparent electrode layer which are successively laminated on the substrate. The p-i-n junction comprises an n layer, an i layer, and a p layer which are laminated in this ord... | 04/08/2008 |
| 7297649 | Silicoboroncarbonitride ceramics and precursor compounds, method for the production and use thereof The present invention relates to novel alkylhalosilylaminoboranes, in particular alkylchlorosilylaminoboranes, which make it possible to adjust the viscosity of polyborosilazane compounds by varying the number of reactive centers, to novel borosilazane compounds, to... | 11/20/2007 |
| 7288222 | Method of producing a carbide sintered compact A wet-type compacting method of a ceramic powder using a solvent, wherein the ceramic powder is coated with a high polymer organic substance which is substantially insoluble in the solvent so that homogeneity of a compact is kept, while generating no problem during ... | 10/30/2007 |
| 7208427 | Precursor compositions and processes for MOCVD of barrier materials in semiconductor manufacturing Metalorganic precursors of the formula: (R1R2N)a−bMXb wherein: M is the precursor metal center, selected from the group of Ta, Ti, W, Nb, Si, Al and B; a is a number equal to the valence of M; 1≦bâ‰... | 04/24/2007 |
| 6903039 | Methods for making microporous ceramic materials The present invention provides a method for making a microporous ceramic material and includes the steps of (a) preparing a starting material for firing comprising a nonoxide ceramic precursor containing silicon as an essential component; (b) heating the starting ma... | 06/07/2005 |
| 6777361 | Ceramic composite A ceramic composite material, for example, a ceramic molded body or a layer obtained by pyrolysis of a starting mixture, containing at least one polymer precursor material and at least one filler, which has an average particle size of less than 200 nm. Such a compos... | 08/17/2004 |
| 6774074 | Method for making boron nitride fibers from aminoborazines The invention concerns a method for making boron nitride fibers by drawing a polymer precursor and treating with ceramics the polymer fibers obtained by drawing. The invention is characterized in that the precursor polymer is obtained by thermal polymerization of a ... | 08/10/2004 |
| 6770583 | Transistion metal containing ceramic with metal nanoparticles A transition metal-containing ceramic made by the process comprising the step of pyrolyzing an organometallic linear polymer containing at least one metallocenylene unit, at least one silyl or siloxyl unit, and at least one acetylene unit to form a ceramic; where th... | 08/03/2004 |
| 6593484 | TANTALUM TERTIARY AMYLIMIDO TRIS (DIMETHYLAMIDE), A PROCESS FOR PRODUCING THE SAME, A SOLUTION OF STARTING MATERIAL FOR MOCVD USING THE SAME, AND A METHOD OF FORMING A TANTALUM NITRIDE FILM USING THE SAME A stable compound having a vapor pressure higher by 1 order than that of Ta(NtBu)(NEt2)3 is provided as a starting material for forming a TaN film as a barrier film by the CVD method. There are further provided a process for producin... | 07/15/2003 |
| 6495483 | Linear metallocene polymers containing acetylenic and inorganic units and thermosets and ceramics therefrom Transition metal-containing ceramic or carbonaeous material are formed from novel linear polymers containing a random distribution of repeating acetylenic units, organotransition metal complexes, siloxane, boron, silicon, and/or carborane-siloxane units. ... | 12/17/2002 |
| 6277774 | Grain growth inhibitor for superfine materials A method comprising incorporation of an inorganic polymer precursor of a grain growth inhibitor into superfine materials or intermediates useful for the production of superfine materials. The precursor/nanostructured material composite is optionally heat ... | 08/21/2001 |
| 6265336 | High temperature ceramics derived from linear carborane-(siloxane or silane)-acetylene copolymers This invention relates to a new class of novel inorganic-organic hybrid ceramics that are formed from novel linear polymers of varying molecular weight and varying carborane content.... | 07/24/2001 |
| 6261981 | Fibre-reinforced composite ceramics and method of producing the same The invention provides a fiber-reinforced composite ceramic containing high-temperature-resistant fibers, in particular fibres based on Si/C/B/N, which are reaction-bonded to a matrix based on Si, which is produced by impregnating fiber bundles of Si/C/B/... | 07/17/2001 |
| 6187703 | High temperature ceramics derived from linear carborane-(siloxane or silane)-acetylene copolymers This invention relates to a new class of novel inorganic-organic hybrid ceramics that are formed from novel linear polymers of varying molecular weight and varying carborane content.... | 02/13/2001 |
| 6180809 | Method of preparing silicon and boron oxynitrides A boron and silicon oxynitride obtained by preparing a polyborosiloxane precursor, conducting nitriding pyrolysis of the precursor to obtain an amorphous boron and silicon oxynitride, and optionally conducting additional pyrolysis to obtain a crystallized... | 01/30/2001 |
| 5981416 | Titanium nitride aluminum based sintered material and its production method The purpose of the present invention is to provide a titanium nitride aluminum based sintered material having excellent durability and able to be cheaply produced and cut spheroidal graphite cast iron at high speed and be used as a cutting tool material h... | 11/09/1999 |
| 5968859 | Ceramic fibers in the system silicon-boron-nitrogen-carbon The invention relates to new amorphous, high-strength SiBN(C) fibers which are at the same time resistant to high-temperature creep, their production and use. The fibers have a strength at room temperature of >2.5 GPa, a modulus of elasticity of >250 GPa ... | 10/19/1999 |
| 5928978 | Continuous method of producing silicon carbide fibers This invention pertains to a method for production of polycrystalline ceramic fibers from silicon oxycarbide (SiCO) ceramic fibers wherein the method comprises heating an amorphous ceramic fiber containing silicon and carbon in an inert environment compri... | 07/27/1999 |
| 5856253 | Method of reinforcing molded body of ceramic and reinforced mold body of ceramic A reinforced molded body of ceramic, which is to be fired, is produced by adding ceramic fibers to a matrix of ceramic. The ceramic fibers are composed of silicon, nitrogen, oxygen, and carbon, the carbon and the oxygen having a total content of at most 1... | 01/05/1999 |
| 5837630 | High surface area mesopourous desigel materials and methods for their fabrication Mesoporous desigels are fabricated as nitrides, carbides, borides, and silicides of metals, particularly transition metals, and most particularly early transition metals. The desigels are prepared by forming a gel of a metallic compound, and removing solv... | 11/17/1998 |
| 5834388 | Ceramic fibers in the system silicon-boron-nitrogen-carbon The invention relates to new amorphous, high-strength SiBN(C) fibers which are at the same time resistant to high-temperature creep, their production and use. The fibers have a strength at room temperature of >2.5 GPa, a modulus of elasticity of >250 GPa ... | 11/10/1998 |
| 5733829 | Process for the production of silicon carbide or silicon nitride whiskers A process for the production of silicon-containing ceramic whiskers is disclosed which includes the steps of: (a) forming a solid body of a mixture including an organosilicon polymer having a number average molecular weight of 500-50,000 and having a skel... | 03/31/1998 |
| 5488017 | Fibert reinforced ceramic matrix composite member A method for making an environmentally stable, fiber reinforced ceramic matrix composite member includes use as a bonding agent of a ceramic precursor which transforms upon heating to a ceramic phase. The ceramic phase bonds together discontinuous materia... | 01/30/1996 |
| 5484751 | Metal/metalloid nitride/carbide ceramic powders prepared by flash pyrolysis Metal and/or metalloid nitride and/or carbide powders, e.g., amorphous or crystalline spherical particulates having a mean diameter greater than 0.2 μm 90% of which being less than 0.4 μm in size, well suited for the production of ceramic shaped article... | 01/16/1996 |
| 5459114 | Method for producing ceramic products Repetition of a process of impregnating a metal fiber or ceramic fiber preform or porous ceramic with (3) a mixture of polysilazane-type polymers with a number average molecular weight of 200-3000 and a viscosity adjusted to 100 Pa.s or lower at the impre... | 10/17/1995 |
| 5449646 | Preparation of high density zirconium diboride ceramics with preceramic polymer binders Disclosed is a method for preparing high density zirconium diboride ceramic bodies. The method entails mixing zirconium diboride powder with a preceramic organosilicon polymer. The mixture is then molded and sintered under pressure or by a pressureless pr... | 09/12/1995 |
| 5405982 | Polymeric borosilazanes and aluminosilazanes, a process for their preparation and their use The present invention relates to polymeric boro- and aluminosilazanes corresponding to the general formula [(SiL2)a (AlL2)1-a L2 ]x and [(SiL2)a (BL)1-a L2... | 04/11/1995 |
| 5384291 | Carbothermal synthesis precursors Ceramic precursor materials bound together by a product of a condensation reaction between a first reactant that has at least one reactive hydroxyl moiety, such as a carbohydrate, and a second reactant that has at least one reactive nitrogen-containing mo... | 01/24/1995 |
| 5356608 | Preparation of a high purity aluminum nitride antenna window by organometallic pyrolysis A process and apparatus for making high purity aluminum nitride from organometallic aluminum, such as an alkylaluminum compound. A gaseous alkylaluminum compound and gaseous ammonia are introduced into a heated reaction zone where the gases are mixed and ... | 10/18/1994 |
| 5350719 | Preparation of titanium nitride-containing refractory material composites A titanium tetrahalide is reacted with a disilazane to prepare a titanium containing organometallic precursor, which is thereafter mixed with a refractory material powder and pyrolyzed to form a titanium nitride-containing refractory material composite co... | 09/27/1994 |
| 5348917 | Ceramics formed by pyrolysis of either linear or thermosetting carborane (siloxane or silane) acetylene based precursor polymers Ceramics that are formed from high temperature oxidatively stable thermosetting polymers which, in turn, are formed from linear polymeric materials having repeat units that contain at least one alkynyl group for cross-linking purposes and at least one bis... | 09/20/1994 |
| 5340896 | Thermoset polymeric precursors for aluminum nitride Aluminum-nitrogen polymers comprising a backbone of alternating aluminum and nitrogen atoms both having pendant organic groups, wherein some of the pendant organic groups are unsaturated, are prepared by reacting an unsaturated organic nitrile with a dial... | 08/23/1994 |
| 5332701 | Ceramic synthesis by pyrolysis of metal-containing polymer and metal Ceramic compositions can be formed by the pyrolysis of a particulate metal, which forms a component of the ceramic, and another metal, which forms another component of the ceramic.... | 07/26/1994 |
| 5322821 | Porous ceramic beads Ceramic beads having a bimodal pore distribution are prepared by a process involving a) formation of a ceramic particle slurry, b) adding a foamable prepolymer to the slurry to form a mixture, c) dispersing the mixture as beads in a second liquid, d) poly... | 06/21/1994 |
| 5319121 | Hydridosiloxanes as precursors to ceramic products A method is provided for preparing preceramic polymers and and silicious ceramic materials which derive therefrom. The preceramic polymers are polysiloxanes which are synthesized by catalytically activating Si--H bonds in a hydridosiloxane starting materi... | 06/07/1994 |
| 5316986 | Triethynylborazines and production of BN ceramics therefrom Novel boron/nitrogen compounds having the formula (1): ##STR1## and the products of the at least partial reduction thereof, are converted into BN ceramic materials by thermally polymerizing same, whether or not in the presence of suitable polymerizat... | 05/31/1994 |
| 5296418 | Method for manufacturing a hafnium-containing silazane polymer and a method for manufacturing a ceramic from said polymer A hafnium-containing silazane polymer is obtained through a polymerization reaction of which the reactants are (A) a halide of an organic silicon compound; (B) a hafnium compound having a the formula: HfX4 ... | 03/22/1994 |
| 5294574 | Production of nonoxide monolithic ceramic shaped articles Crack-free, dense and either amorphous or crystalline, nonoxide monolithic ceramic shaped articles are produced at relatively low temperatures, by shaping a powder (P) of an infusible, organometallic ceramic precursor polymer (Pi) into a green body having... | 03/15/1994 |
| 5294425 | Polysilazane precursors for silicon nitride and resultant products A method of making a polysilazane comprising forming a reaction medium comprising at least one halomonosilane, an ammonium compound, and an organic solvent for said at least one halomonosilane, carrying out the reaction between said at least one halomonos... | 03/15/1994 |
