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7470725 Organically modified aerogels, processes for their preparation by surface modification of the aqueous gel, without prior solvent exchange, and subsequent drying, and their use  
The present invention relates to novel, organically modified aerogels, uses thereof, and a process for producing them in which a) a hydrogel is introduced as an initial charge, b) the hydrogel...
7326750 Expanded nanoclays and method of producing such expanded nanoclays  
A method of producing nanoclays comprising the steps of preparing a first intercalant alkali salt of a carboxylic acid, adding the first intercalant to a swelled clay at a temperature of at least...
7265158 Non-metal aerogel materials and detectors, liquid and gas absorbing objects, and optical devices comprising same  
New aerogels are disclosed which comprise silica and at least one organic polymer having polar functional groups. Also disclosed are methods for making such aerogels and for making them as...
7147701 Printing medium comprising aerogel materials  
New aerogels are disclosed which comprise silica, at least one organic polymer having polar functional groups, and at least one metal ion. Also disclosed are methods for making such aerogels. The...
7037366 Printing medium comprising aerogel materials  
New aerogels are disclosed which comprise silica, at least one organic polymer having polar functional groups, and at least one metal ion. Also disclosed are methods for making such aerogels. The...
7019037 Monolayer coated aerogels and method of making  
Aerogels having a monolayer coating are described. The aerogel and a monolayer forming precursor are provided in a supercritical fluid, whereupon the aerogel and the monolayer forming precursor are...
6656876 Squaric acid activated carrier usable for immobilization of compounds containing amine groups  
A storage stable composition comprising a carrier usable for the immobilization of compounds containing an amine group, for instance biomolecules and/or affinity ligands. The carrier has been...
6524372 Silica gel incorporating polyazacycloalkane structural units  
A novel compound which can be used in the field of separation and purification of gases is disclosed. The compound can be incorporated into a silica gel incorporating polyazacycloalkane structural...
6521035 Ink follow up composition for water-base ball pen  
The present invention relates to an ink follower for a water-base ballpoint pen, which has strong pseudoplasticity by causing HO(C 2 H 4 O) m .(C 3 H 6 O) n H to interfere with hydrophobic silica...
6479156 Nanocomposite for thermal insulation  
The invention relates to a nanocomposite for thermal insulation especially for fireproofing purposes, which can be obtained by combining (A) at least 35 wt. % of nanoscaled, optionally...
6475561 Method of producing silicon tetrachloride-based and organically modified aerogels  
The present invention refers to a method of producing organically modified aerogels on a basis of silicon tetrachloride in which: a) a hydrogel is obtained by direct reaction of silicon...
6462096 Organophilic clay additives and oil well drilling fluids with less temperature dependent rheological properties containing said additives  
Conventional organophilic clays, when used as rheological additives in oil based invert muds, display marked viscosity loses in the mud when these muds are heated much above 350° F., whereas muds...
6391927 Method for manufacturing ink follower for water base ballpoint pens  
Dispersibility of thickener is constant for every lot and viscosity difference is little. Fine bubbles existing in the thicker in ink follower are removed. A step of homogenizing the thickener at...
6380266 Amorphous silica having discrete voids and spatially organized functionalities formed therein  
The present invention relates to amorphous inorganic materials having pores of controlled size and shape with one or more spatially organized functional groups formed therein. Much like the active...
6376560 Ink follower for water-base ballpoint pens and method of manufacturing the same  
This invention relates to ink follower for a water-base ballpoint pen with its bubbles removed, time-dependent stability, less oil separation, and greatly reduced lot-to-lot viscosity difference...
6303046 Aerogel materials and detectors, liquid and gas absorbing objects, and optical devices comprising same  
New aerogels are disclosed which comprise silica, at least one organic polymer having polar functional groups, and at least one metal ion. Also disclosed are methods for making such aerogels and...
6242500 Intercalates and exfoliates formed with long chain (C6+) or aromatic matrix polymer-compatible monomeric, oligomeric or polymeric intercalant compounds, and composite materials containing same  
Intercalates formed by contacting a layered material, e.g., a phyllosilicate, with an intercalant surface modifier selected from the group consisting of a compound having an alkyl radical...
6190673 Gel compositions containing gellants in the form of alkyl amides of tri-carboxylic acids  
The present invention relates to gel compositions comprising alkyl amides of tri-basic carboxylic acids and methods of making gel compositions.
6172121 Process for preparing organoclays for aqueous and polar-organic systems  
A process for preparing organoclays as thixotropic agents to control the rheology of water-based paints and other aqueous and polar-organic systems. The process relates to treating low-grade clay...
6156223 Xerogels and their preparation  
Thermally insulative xerogels and their preparation are described. To obtain these xerogels, an inorganic gel having hydroxyl moieties is reacted with a silicon-nitrogen compound which has a C 1 -6...
6130256 Organoclay thickener compatible with system to be thickened  
An organophilic clay thickener for natural oil systems comprising the reaction product of a smectite-type clay and an organic cation in an amount of from about 75% to about 150% of the cation...
6093749 Anhydrous zinc antimonate sol and method for producing the same  
An anhydrous zinc antimonate sol comprising a surface-modified anhydrous zinc antimonate colloid particles dispersed in a liquid, the surface-modified anhydrous zinc antimonate colloid particles...
6007734 Dispersion composition for magnetic display  
A dispersion composition suitable for a magnetic display which comprises 10 to 30 wt % of magnetic particles having a particle diameter of 10 to 150 μm, 0.01 to 0.5 wt % of an antistatic agent, 1...
5965265 Functionalized silicas as core supports for chiral stationary phases  
Functionalized silicas which can be used as core supports for a broad variety of chiral stationary phases may be conceptually represented as T--O--Si--U. T represents a refractory inorganic oxide,...
5945032 Polymer/hydrogen peroxide complexes  
Polymer complexes which comprises hydrogen peroxide, a polymer suitable for complex formation with hydrogen peroxide, and at least one metal colloid and/or metal salt are prepared as described and...
5911658 Method for producing silica aerogel 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...
5663111 Organoclay compositions  
Organoclay compositions which comprise the reaction product of a smectite-type clay having an ion exchange capacity of at least 50 meq. wt. per 100 g. clay (active basis), and an alkoxylated...
5240640 In situ use of gelatin or an aminodextran in the preparation of uniform ferrite particles  
A method is described for the preparation of uniform colloidal particles of ferrites, containing manganese(II), at a relatively low temperature in the presence of an aminodextran solution which...
5196343 Ultrasonic calibration material and method  
Ultrasonic calibration material produced by polymerization of acrylamide with N,N'-methylene-bis-acrylamide in vacuum-degassed liquid solutions such as water, ethylene glycol, emulsions of...
5160454 Process for manufacturing organoclays having enhanced gelling properties  
An improvement is disclosed for use in the process wherein an organophilic clay is manufactured by reacting a smectite-type clay with a higher alkyl-containing quaternary ammonium compound....
5139820 Method of manufacturing ceramic insulated wire  
A method of manufacturing a ceramic insulated wire involves preparing an extrudable gel compound formed by dissolving a metal-organic compound in a solvent and adding at least one thermoplastic...
5094778 Mixed metal hydroxide containing a dispersant  
Novel compositions useful as fluid gelling agents, especially for use in subterranean applications such as drilling fluids, are prepared by reacting an aqueous dispersion of a clay, such as...
5075033 Processes for preparing organophilic clay gellants  
An improved organophilic clay gellant which is the reaction product of a smectite-type clay, an organic cation and, optionally, an organic anion. The cation from the smectite-type clay, the anion...
5062991 In situ use of gelatin in the preparation of uniform ferrite particles  
A method is described for the preparation of uniform colloidal particles of ferrites, containing manganese (II), zinc(II), barium(II), iron(II), cobalt(II), or nickel(II), or a mixture of...
5049237 Layered silicates and water-resistant articles made therefrom  
Disclosed are flocced mineral materials which may be utilized to prepare high temperature resistant, water resistant articles. These materials are prepared by utilizing, as a starting material, a...
5045588 High polymer suspension  
A high polymer suspension including a polymer; a liquid carrier; a fibrous silicate material; and an organic derivative of clay. The polymer is preferably a polyacrylamide, the fibrous silicate...
5028351 Process for preparing organic smectite by solid-solid reaction  
A process for preparing organic smectite applied for thickener, protective colloid, dispersant and binder. The present invention features the process for preparing the organic smectite by mixing...
4992207 Composition for extraction of metal ions and oxanions  
The present invention relates to a method for the selective extraction of the metals gold, silver, platinum or mercury ions or colloidal gold, from an aqueous solution containing at least one of...
4908068 Removal of fibrous material  
There is disclosed a method of removing asbestos or other fibrous material from structures, such as the lagging on pipes, by injecting into the material a treatment liquid which includes a gelling...
4876030 Organophilic clay suspension medium  
A novel organophilic clay suspension medium prepared by admixing an organophilic clay with a hydrocarbon oil and an activator selected from the group consisting of phenyl hydroxyalkyl ethers and...
4816499 Porous inorganic particles modified with amino and carboxyl groups  
Porous inorganic particles, such as silica gel particles, modified with amino-containing groups and carboxyl-containing groups are disclosed. The modified porous particles, useful as packing...
4777206 Article of manufacture composed of gel  
There are disclosed gels composed of hydrated phyllosilicates combined with a lattice expanding agent selected from the group consisting of a primary aminocarboxy acid, lysine orotate, and...
4762643 Binders and fibers combined with flocced mineral materials and water-resistant articles made therefrom  
Disclosed are compositions of flocced mineral materials combined with fibers and/or binders. These compositions may be utilized to prepare high temperature resistant, water resistant articles....
4755294 Stationary phase, preparation thereof and chromatographic column containing same  
The invention relates to a method of preparing a stationary silica phase for the purpose of packing a chromatographic column intended for the liquid-phase separation of components. There are thus...
4742098 Organophilic clay gellants and process for preparation  
Improved organophilic clay gellants can be prepared by a process wherein the smectite-type clay is subjected to shearing in order to break apart the agglomerates and/or the smectite-type clay can...
4724098 Gel-forming organophilic layer silicate, process for its preparation and use  
Gel-forming organophilic layer silicate whose exchangeable cations have been wholly or partly replaced by a quaternary ammonium compound of the formula ##STR1## where R 1 and R 2 can be identical...
4715986 Particles, modified at their surface by hydrophilic and hydrophobic groups  
Particles less than 100 μm in size and modified by hydrophilic and hydrophobic groups wherein the hydrophilic and hydrophobic groups are distributed anisotropically on the surface of the modified...
4714567 Reacting alumina hydrate sol and an organic material to form a stable monolithic gel  
A stable monolithic gel produced by reacting an alumina hydrate sol with an organic reactant selected from the group consisting of polycarboxylic acids having esterified acid groups, anhydrides of...
4681698 Electrochemical cells having a gelled anode-electrolyte mixture  
An electrochemical cell having an anode, a cathode and an aqueous alkaline electrolyte solution. The anode is an intimate gelled mixture of a powdered metal, an aqueous electrolyte solution and an...
4676929 Gels, gel products and methods  
There are disclosed gels composed of hydrated phyllosilicates combined with a lattice expanding agent selected from the group consisting of a primary aminocarboxy acid, lysine orotate, and...
Matches 1 - 50 out of 89 1 2 >