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| Number | Title | Issue Date |
| 7309676 | Remover for heavy metals contained in water A removing agent for heavy metal ion in water which comprises synthetic zeolite, wherein 10 mol % or more of a total amount of exchangeable cation is substituted with magnesium ion and 60 mol % or more thereof is substituted with magnesium ion and calcium ion, and a... | 12/18/2007 |
| 7291575 | Active, heterogeneous bi- or tri-dentate catalyst A catalyst composition, and olefin polymerization process using same, formed from a mixture of a non-aluminoxane aluminum compound, an inorganic oxide and a transition metal bidentate or tridentate complex in certain prescribed proportions. The composition can be fo... | 11/06/2007 |
| 7094737 | Sugar cane additive for filtration control in well working compositions An additive for controlling filtration loss from a well working fluid in contact with a permeable formation, which comprises sugar cane ash, or sugar cane ash and a cellulose-like material, or sugar cane ash, a cellulose-like material and an oleaginous liquid, where... | 08/22/2006 |
| 7017757 | Mechanically stable, porous shaped activated carbon article and filtering system The invention relates to a mechanically stable, porous shaped activated carbon article having a first three-dimensional framework structure based on carbonized resin, a second three-dimensional inorganic framework structure comprising ceramic material and/or baked r... | 03/28/2006 |
| 6986843 | Water purifier Water purifier includes a container having a room, a filtering material disposed in the room for purifying water for catching particles and fungi such as polio viruses. The filtering material is a sintered activated carbon block filter having pores. The filtering ma... | 01/17/2006 |
| 6946420 | Coordination catalyst systems employing chromium support-agglomerate and method of their preparation The present invention is directed to a coordinating catalyst system comprising at least one pre-catalyst selected from late transition metal bidentate or tridentate ligand containing compounds, at least one support-agglomerate having chromium immobilized thereto (e.... | 09/20/2005 |
| 6943224 | Process for preparing supported transition metal catalyst systems and catalyst systems prepared thereby A process for forming a coordination catalyst system comprising sequentially or substantially simultaneously contacting: (I) pre-catalyst reactants comprising (a) at least one first ligand-containing reactant; and (b) at least one first transition metal reactant sui... | 09/13/2005 |
| 6939394 | Gas storage and dispensing system with monolithic carbon adsorbent A fluid storage and dispensing apparatus, including a fluid storage and dispensing vessel having an interior volume, in which the interior volume contains a physical adsorbent sorptively retaining a fluid thereon and from which the fluid is desorbable for dispensing... | 09/06/2005 |
| 6927261 | Method of making supported transition metal polymerization catalysts and compositions formed therefrom The present invention is directed to a novel one-step method for forming a supported catalyst complex of high activity by substantially simultaneously contacting a bidentate or tridentate ligand forming compound, a transition metal compound and a Lewis acid support-... | 08/09/2005 |
| 6906003 | Method for sorption and desorption of molecular gas contained by storage sites of nano-filament laded reticulated aerogel A system and method for sorption and desorption of molecular gas contained by storage sites of graphite nano-filaments randomly disposed in three-dimensional reticulated aerogel. ... | 06/14/2005 |
| 6723296 | Material and method for treating gaseous media containing volatile organic compounds The invention relates to a material for treating gaseous media containing volatile organic components. According to the invention, the material is porous and exhibits an absorption capacity of approximately 20-30% in relation to the dry weight thereof, containing ap... | 04/20/2004 |
| 6716366 | Chemical composition for treatment of nitrate and odors from water streams and process wastewater treatment Novel compositions are described for use in nitrate removal and treatment of water such as water and wastewater streams produced by processes in mining operations, agriculture industries operations, industrial operations, military operations, etc. These novel compos... | 04/06/2004 |
| 6699561 | Activated carbon molded body and use thereof An activated carbon molded body, more particularly in honeycomb form and for use as an adsorption filter, can be produced from a mixture including activated carbon, water, novolak powder, clay, cellulose ether, liquid starch, wax, polyacrylamide and soap,... | 03/02/2004 |
| 6429165 | Polymer-bonded material A polymer-bonded granular adsorptive, absorptive, chemisorptive, or catalytically active material and a process for producing molded bodies from this material. An objective was to develop a polymer-bonded granular adsorptive, absorptive, chemisorptive, or... | 08/06/2002 |
| 6297187 | Catalyst for improving the performance of liquid hydrocarbon fuel The present invention provides a method of making a catalyst for improving the performance of liquid hydrocarbon fuel. The treating agent for improving the performance of liquid hydrocarbon fuel is made by preparing a resin or a rubber composition having ... | 10/02/2001 |
| 6140493 | Method of synthesizing diverse collections of oligomers A general stochastic method for synthesizing random oligomers can be used to synthesize compounds to screen for desired properties. The use of identification tags on the oligomers facilitates identification of oligomers with desired properties.... | 10/31/2000 |
| 6117810 | Manufacturing method of complex molecular sieve compound The present invention relates to a manufacturing method of molecular sieve compound and in particular, to a manufacturing method whereas crystalline aluminosilicate salt is formed in the pores of activated carbon and thereby possessing both hydrophilic an... | 09/12/2000 |
| 5972525 | Solid particle containing active carbon, support and catalyst Solid particles which comprise a substantially homogeneous mixture of an active carbon and an attrition-resistant inorganic substance and which have an average particle size of smaller than 300 μm. The average particle size is preferred to range from 20 ... | 10/26/1999 |
| 5893946 | Combustible carbonaceous compositions and methods A combustible carbonaceous composition and method of making a charcoal briquette wherein a finely divided carbonaceous material is combined with an activated carbon and/or an activated graphite (which may be formed in-situ during pyrolysis of the composit... | 04/13/1999 |
| 5846431 | Method for removing dyestuff in dyeing waste and a dyeing stuff removing preparation A preparation for removing dyestuff in dyeing waste water includes a carbonized carbonaceous material and powdery or granular bakuhanseki deposited on the surface of the carbonized carbonaceous material. In one aspect of the invention, a preparation for r... | 12/08/1998 |
| 5837741 | Composite microporous carbons for fuel gas storage A method of making a microporous carbon material which includes providing a precursor selected from the group consisting of crystalline salts of aromatic sulfonates and nonporous polymeric salts. Prior to carbonization, the precursor is treated by ion exc... | 11/17/1998 |
| 5769933 | Activated carbon foundry sand additives and method of casting metal for reduced VOC emissions An activated carbon and/or activated graphite foundry sand additive, and method of casting molten metal against a foundry sand containing the additive composition. In another embodiment, the activated carbon and/or activated graphite additive (or portion ... | 06/23/1998 |
| 5719101 | Porous granular material obtained from wool scouring liquor, method for the manufacture thereof and applications The porous granular material according to the invention comprises carbon, silica, water-soluble mineral salts and water-insoluble mineral salts, does not disintegrate in the presence of water and has a particle size of approximately 1 to 5 mm, preferably ... | 02/17/1998 |
| 5695554 | Foundry sand additives and method of casting metal, comprising a humic acid-containing ore and in-situ activated carbon or graphite for reduced VOC emissions The present invention is directed to a foundry sand additive composition, and method of casting molten metal against a foundry sand containing the additive composition. The additive composition comprises a humic acid-containing and/or a humic acid salt-co... | 12/09/1997 |
| 5688313 | Activated carbon foundry sand additives and method of casting metal for reduced VOC emissions The present invention is directed to an activated carbon and/or activated graphite foundry sand additive, and method of casting molten metal against a foundry sand containing the additive composition. In another embodiment, the activated carbon and/or act... | 11/18/1997 |
| 5637544 | Reactive membrane for filtration and purification of gases of impurities and method utilizing the same A reactive membrane for removing impurities, such as water, oxygen and organic compounds, from a gas is provided. The reactive membrane includes a porous inorganic substrate having exposed surfaces and at least one carbon layer, which is modified to prese... | 06/10/1997 |
| 5632788 | High porosity calcium silicate mass for storing acetylene gas A hardened asbestos-free, porous, calcium silicate filler material for an acetylene storage vessel is made by mixing quicklime with water to form a first mixture and at the same time mixing water, synthetic silica, cellulose fibers and ground quartz silic... | 05/27/1997 |
| 5599764 | Size selective hydrophobic adsorbent for organic molecules The present invention relates to an adsorbent formed by the pyrolysis of a hydrophobic silica with a pore size greater than 5 Å, such as SILICALITE™, with a molecular sieving polymer precursor such as polyfurfuryl alcohol, polyacrylonitrile, polyvinyli... | 02/04/1997 |
| 5518910 | Low density glassy materials for bioremediation supports A bioremediation support for the support of microorganisms used in the biotreatment of an aqueous waste stream or contaminated vapor is made of a low-density siliceous glassy material. This material has a cellular or frothy texture, large pores of greater... | 05/21/1996 |
| 5503931 | Moisture absorbing material and methods of production An improved moisture absorbing amorphous silicate material formed by the steps of: parboiling rice under 22 psi and at a temperature above 212 degrees F. to force bran into the rice grain and dissolve cellulose from the rice hulls creating voids in the ri... | 04/02/1996 |
| 5488021 | Activated carbon bodies having clay binder and method of making same A body made of activated carbon particles bonded together with a clay binder which can be attapulgite and/or sepiolite, and a plasticizing organic binder. The organic binder is more typically cellulose ether and/or cellulose ether derivative at a level of... | 01/30/1996 |
| 5403809 | Composite inorganic supports containing carbon for bioremediation Porous bodies are produced which are suitable for use as supports for catalysts, including living cells, such as bacteria and which are upset resistant to acids and bases. The bodies have a significantly large average pore diameter of about 0.5 to 100 mic... | 04/04/1995 |
| 5397755 | Low density glassy materials for bioremediation supports A bioremediation support for the support of microorganisms used in the biotreatment of an aqueous waste stream or contaminated vapor is made of a low-density siliceous glassy material. This material has a cellular or frothy texture, large pores of greater... | 03/14/1995 |
| 5385876 | Activated carbons molecularly engineered A highly microporous adsorbent material is formed as a composite of a natural or synthetic clay or clay-like mineral matrix intercalated with an active carbon. The mineral is prepared and selected to have a selected interlayer spacing between microcrystal... | 01/31/1995 |
| 5376609 | Activated carbon bodies having bentonite and cellulose fibers A body made of carbon particles bonded together with bentonite clay and cellulose fibers, wherein in weight percent based on carbon, the bentonite content is about 4% to 20%, and the cellulose fiber content is about 2% to 10%. A method of making the body ... | 12/27/1994 |
| 5350728 | Method of preparing a solid mass for mercury recovery A solid mass for the recovery of mercury, comprising a solid mineral support or dispersant, essentially copper and sulphur at least partly in the form of copper sulfide is produced by the following stages: a) at least one copper compound other than a sulphide ... | 09/27/1994 |
| 5294585 | Preparation of particulate composite material with carbon matrix The present invention concerns a polyphase particulate composite material containing a microporous phase which is essentially carbon whose microporous volume is between 0.1 cm3 /g and 1 cm3 /g, which is associated with an amorphous m... | 03/15/1994 |
| 5242879 | Active carbon materials, process for the preparation thereof and the use thereof The present invention relates to specific activated carbon materials including from 1 to 5% by weight of nitrogen, from 3 to 30% by weight of oxygen and from 40 to 95% by weight of carbon, and having an average pore radius of from 15 to 30 Å, with the pr... | 09/07/1993 |
| 5238899 | Active carbon for deodorization and process for preparation thereof Disclosed is an active carbon for deodorization, which comprises a deodorizing functional group fixed to a graphitic six-membered ring on the surface of the active carbon, through a silanol bond.... | 08/24/1993 |
| 5212131 | Low pressure drop filter A filter for removing contaminants from a gas contains a support material and, deposited on the support material, a first component which is an oxide, a hydroxide or a mixture of an oxide and hydroxide of Al, Si, Ti, Fe or Zn, containing at least about 0.... | 05/18/1993 |
