Bizarre Patents
A banana protective device for storing and transporting a banana carefully.
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 |
| 5876686 | Process for making inorganic oxide gels in fluorocarbon solvents This invention relates to a process for the preparation of an inorganic oxide gel comprising contacting at least one fluorinated inorganic oxide precursor with a fluorinated gelling agent in the presence of at least one fluorinated solvent to form a solut... | 03/02/1999 |
| 5877100 | Compositions and insulation bodies having low thermal conductivity The present invention relates to particulate compositions having improved thermal conductivity values. An embodiment of the present invention is a particulate composition which under a 103421 Pa load, at 20° C., and at a pressure (P) within the range of ... | 03/02/1999 |
| 5876494 | Process for the preparation of precipitated silica, new percipitated silicas containing aluminum and their use for the reinforcement of elastomers The invention relates to a new process for the preparation of precipitated silica which has a very good dispersibility and very satisfactory reinforcing properties. It also relates to new precipitated silicas which are in the form of powder, of substantia... | 03/02/1999 |
| 5861110 | Silica having high specific surface area and a narrow pore distribution A method for production of high specific surface area silica gel by hydrolysis of silicon tetrahalide, wherein a solution of silicon tetrahalide in a non-reactive solvent such as alcohol is mixed with water to produce silica gel having a high surface area... | 01/19/1999 |
| 5858489 | System for thermal and/or acoustic insulation of a tube System for thermal and/or acoustic insulation of a tube intended, for example, to allow the outflow of hydrocarbons originating from an oil deposit, consisting of a sleeve surrounding the tube over at least a part of its length. According to the invention... | 01/12/1999 |
| 5858909 | Siliceous oxide comprising an alkaline constituent Siliceous oxides having a combination of low total volatiles content and basic pH are useful as odor control agents in organic resin systems, especially polyolefin-based systems. These modified siliceous oxides advantageously reduce odor and off-trade whi... | 01/12/1999 |
| 5846311 | Process for the preparation of precipitated silica, new precipitated silicas containing zinc and their use for the reinforcement of elastomers The invention relates to a new process for the preparation of precipitated silica which has a good dispersibility and very satisfactory reinforcing properties. It also relates to new precipitated silicas which are in the form of powder, of substantially s... | 12/08/1998 |
| 5846506 | Precipitated silicas A precipitated silica with the following physicochemical properties: ______________________________________ BET surface area 35 to 350 m2 /g BET/CTAB surface area ratio 0.8 to 1.1 Pore volume, PV 1.6 to ... | 12/08/1998 |
| 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 |
| 5830387 | Process of forming a hydrophobic aerogel A hydrophobic aerogel is fabricated by reacting a polymer having a skeleton structure of (SiO2)n with a hydrophobic agent having hydrophobic groups as well as functional groups reactive to silanol groups to obtain a denatured polymer... | 11/03/1998 |
| 5811031 | Method for the subcritical drying of aerogels Process for the preparation of aerogels by subcritical drying of inorganic and organic hydrogels and lyogels to give aerogels, dielectric drying methods being used.... | 09/22/1998 |
| 5804154 | Process for the production of a silica-substance containing materials and materials produced therefrom Colloidal compositions based on fillers, sol oxides, poly silicates, and, optionally, pigmenting agents, and their method of production the solid disperse phase not only operates to cross-link but also as an overmatrix incorporating macroparticles therein... | 09/08/1998 |
| 5800606 | Ultrafine reactive silica particles, suspension containing the same, and hard coating composition A suspension containing a novel reactive ultrafine particulate silica having a radius of gyration of at most 10 Å, has an excellent storage stability, and provides excellent various properties as a hard coating composition.... | 09/01/1998 |
| 5795557 | Process for the preparation of monolithic silica aerogels A process for the preparation of a silica aerogel that includes subjecting a mixture that includes an organosilicon compound and ethyl acetoacetate to hydrolysis and polycondensation in an acidic medium to obtain a transparent gel. The organic solvent is ... | 08/18/1998 |
| 5795556 | Xerogels and process for their preparation Xerogels and a process for their preparation involving acidifying an aqueous waterglass solution, polycondensing the resulting silica by addition of a base, removing most of the water from the gel by washing the gel with an organic solvent, reacting the r... | 08/18/1998 |
| 5782982 | Method of removing silica or silicates from solids resulting from the strong acid hydrolysis of cellulosic and hemicellulosic materials A method of removing silica or silicates from solids results from the acid hydrolysis of materials containing cellulose and hemicellulose is disclosed. The method includes the steps of treating the solids with a metal hydroxide solution to produce an extr... | 07/21/1998 |
| 5780004 | Process for the preparation of mixed silica-zirconia sols and mixed oxides obtained in spherical form A process for the preparation of mixed silica-zirconia sols and mixed oxides in spherical form, comprising mixing a silicon alkoxide with a solution of an inorganic zirconium salt in a low molecular weight polyol and subjecting the intermediate thus forme... | 07/14/1998 |
| 5762829 | Wet silica gels for aerogel and xerogel thermal insulation and processes for the wet gels A wet silica gel can be prepared by a process comprising the steps of contacting a stable, aqueous, fluid, silica system having a pH greater than 7.5 with an ion exchange resin which removes metal ions and replaces them with H+ ions and thereby reduces th... | 06/09/1998 |
| 5759506 | Process for preparing aerogels The invention relates to a process for preparing modified SiO2 gels, in which the gel is aged using a solution of a condensable alkyl and/or aryl orthosilicate, or using an aqueous silicic acid solution, in order to strengthen the structure of ... | 06/02/1998 |
| 5748758 | Acoustic audio transducer with aerogel diaphragm This invention describes an acoustic transducer, either speaker or microphone, that uses an aerogel diaphragm or an aerogel acoustic interface made of magnetic aerogel or conductive aerogel or both. In the case of a speaker, the aerogel diaphragm is direc... | 05/05/1998 |
| 5746992 | Silica aerogel produced under subcritical conditions Liquid comprising from 93 to 100 percent by weight alcohol is removed from silica alcogel at subcritical temperature to produce silica aerogel. The silica aerogel produced by the method of the present invention not only has high porosity, but in most inst... | 05/05/1998 |
| 5747003 | Amorphous precipitated silica abrasive A statistically large population of particles of amorphous precipitated silica comprising pigmentary phase particles and glassy phase particles and having a glassy phase fraction in the range of from 0.3 to 30 area percent is useful as an abrasive for den... | 05/05/1998 |
| 5744114 | Method of preparing dentifrice-compatible silica particulates Novel silica particulates adopted for formulation into dentifrice compositions have a unique surface chemistry as to be at least 50% compatible with zinc values, and have a number of OH functions, expressed as OH/nm2, of at most 15 and a zero c... | 04/28/1998 |
| 5738718 | Zinc oxide-containing spherical silica and process for its production A process for producing zinc oxide-containing spherical silica, which comprises emulsifying, in an organic solvent containing a surfactant, a dispersion having zinc oxide with a particle size of from 0.005 to 0.5 μm dispersed in an aqueous alkali metal s... | 04/14/1998 |
| 5738801 | Hydrophobic silica aerogels Hydrophobic silica aerogels obtainable by reacting a waterglass solution with an acid at a pH of from 7.5 to 11, substantially removing ionic constituents from the resulting silica hydrogels by washing with water or dilute aqueous solutions of inorganic b... | 04/14/1998 |
| 5705535 | Method for the subcritical drying of aerogels Process for the preparation of aerogels by subcritical drying of inorganic and organic hydrogels and lyogels to give aerogels, dielectric drying methods being used.... | 01/06/1998 |
| 5688482 | Temperature-activated polysilicic acids and their use in paper production processes A temperature-activated polysilicic acid is prepared by heating an acidified aqueous alkali metal silicate. The temperature-activated polysilicic acid is used in the production of paper for improvement of retention and water removal.... | 11/18/1997 |
| 5683528 | Method for manufacturing a low loss, low temperature cofired ceramic A method for forming a low temperature cofired ceramic package which is made using a multi-layered densified spherical powder formed via a sol-gel process. This densified powder is formed from layers of SiO2 reacted with trimethyl borate. The s... | 11/04/1997 |
| 5676882 | Fluorescent substance and manufacturing method thereof A fluorescent substance of which main component is comprised from 32 mol % to 35 mol % of silicon element and from 68 mol % to 65 mol % of oxygen element, and in which includes from 10 ppm to 1 wt % of silicon carbide and silicon nitride as an activator. ... | 10/14/1997 |
| 5660809 | Inorganic oxide-based materials with monodispersed particle size A method for preparing inorganic oxide-based materials of spherical form with substantially monomodal distribution, consisting of forming a sol of at least one of the inorganic oxides of interest, adding to said sol a solvent immiscible with the sol, fine... | 08/26/1997 |
| 5647903 | Microporous high structure precipitated silicas and methods Precipitated silicas having wet cake moisture values in excess of 85%, BET surface areas of 600-700 m2 /g, oil absorption values of 50 to 60 cc/100 g, total intruded volume of about 1.2 to 0.8 cc/g, and a median pore radius of 50 Å to 20 Å ar... | 07/15/1997 |
| 5647962 | Process for the preparation of xerogels The invention relates to modified SiO2 gels (xerogels), the preparation thereof and the use thereof as thermal insulators. The xerogels are prepared by acidifying an aqueous waterglass solution, polycondensing the silicic acid produced thereby,... | 07/15/1997 |
| 5637636 | Silicas An amorphous silica has a pore size distribution wherein 90% of the pores have a diameter above 15 nanometers, and less than 20% of the pore volume is in pores having a pore diameter between 10 and 20 nanometers, the amorphous silica having a CTAB surface... | 06/10/1997 |
| 5635214 | Sorbent precipitated silica particulates Novel precipitated silica particulates, well suited for conditioning/sorbing a wide variety of liquid active agents thereon, e.g., the vitamins, have (i) a BET surface area of at least 170 m2 /g; (ii) an oil absorption (DOP) ranging from 220 to... | 06/03/1997 |
| 5622743 | Stabilizing agent for beer A stabilizing agent for beer comprising a particular amorphous silica exhibiting a large negative zeta-potential in the pH region of the beer. The amorphous silica is of the xerogel type and has a specific surface area of from 100 to 600 m2 /g,... | 04/22/1997 |
| 5616316 | Dentifrice-compatible silica particulates Novel silica particulates especially adapted for formulation to dentifrice compositions exhibit unique physical and chemical properties. In one embodiment, silica particulates have a unique surface chemistry as to be at least 50% compatible with zinc valu... | 04/01/1997 |
| 5614176 | Dentifrice-compatible silica particulates Novel silica particulates especially adapted for formulation to dentifrice compositions exhibit unique physical and chemical properties. In one embodiment, silica particulates have a unique surface chemistry as to be at least 50% compatible with zinc valu... | 03/25/1997 |
| 5614177 | Dentifrice-compatible silica particulates Novel silica particulates especially adapted for formulation to dentifrice compositions exhibit unique physical and chemical properties. In one embodiment, silica particulates have a unique surface chemistry as to be at least 50% compatible with zinc valu... | 03/25/1997 |
| 5612020 | Dentifrice-compatible silica particulates Novel silica particulates especially adapted for formulation to dentifrice compositions exhibit unique physical and chemical properties. In one embodiment, silica particulates have a unique surface chemistry, as to be at least 50% compatible with zinc val... | 03/18/1997 |
| 5607503 | Silica-based binder An insoluble silica based film is formed by placing an ammonium compound and an alcohol as a plasticizing agent in an aqueous solution and blending the aqueous solution with a sodium silicate. The mixture is allowed to condense which produces the insolubl... | 03/04/1997 |
