System for magnetically attaching templeless eyewear to a person
A system of eyewear that eliminates the need for hinges on the frames of the eyewear.
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| Number | Title | Issue Date |
| 7360967 | Solubilization and disposal of radioactive scale and sludge A process to transform solid, low-level, radioactive waste produced from oil and gas production into a form that may be safely disposed of, such as by re-injection into geologic formations in the Earth. ... | 04/22/2008 |
| 7303683 | Microorganism-removing filter medium having high isoelectric material and low melt index binder A filter medium capable of removing microorganisms from a fluid such as water. The filter medium includes particles of activated carbon, particles of a substantially insoluble inorganic material having an isoelectric point greater than the fluid being filtered. A lo... | 12/04/2007 |
| 7220704 | Desulfurization and novel compositions for same A composition comprising a promoter and a metal oxide selected from the group consisting of a gallium oxide, an indium oxide, and combinations of any two or more thereof, wherein at least a portion of the promoter is present as a reduced valence promoter and methods... | 05/22/2007 |
| 7160366 | Filter element An improved filter element which can be used in gas masks is formed of short lengths of porous monolithic carbon formed by partially curing a phenolic resin to a solid, comminuting the partially cured resin, extruding the comminuted resin, sintering the extruded res... | 01/09/2007 |
| 6589904 | Activated carbon and method for producing it The present invention provides an activated carbon produced by a process, which includes: activating a carbonaceous material, to obtain an activated carbonaceous material; and contacting the activated carbonaceous material with an acid. Another embodiment of t... | 07/08/2003 |
| 6479429 | Particulate compositions A process to produce a sorbent composition is provided. This process comprises: (a) contacting a zinc component, an alumina component, and a dispersant component, to form a mixture; and then (b) spray drying said mixture to form particles; and then (c) co... | 11/12/2002 |
| 6471886 | Absorption media for irreversibly gettering thionyl chloride Thionyl chloride is a hazardous and reactive chemical used as the liquid cathode in commercial primary batteries. Contrary to previous thinking, ASZM-TEDA.RTM. carbon (Calgon Corporation) reversibly absorbs thionyl chloride. Thus, several candidate materi... | 10/29/2002 |
| 6248691 | Method of making mesoporous carbon Mesoporous carbon and method of making involves forming a mixture of a high carbon-yielding carbon precursor that when carbonized yields greater than about 40% carbon on a cured basis, and an additive that can be catalyst metal and/or low carbon-yielding ... | 06/19/2001 |
| 6225256 | Activated carbon feedstock An activated carbon and method of producing and using same. Pecan hulls are fractured to produce a particle size of less than a predetermined size (e.g., 75 microns), chemically activated in an acid solution, carbonized, and washed.... | 05/01/2001 |
| 6060424 | High energy density carbons for use in double layer energy storage devices The present invention relates to carbon and methods for preparing same. In particular, this invention relates to the preparation of novel carbons derived from lignocellulosic materials (particularly wood-based lignocellulosic materials) which are useful f... | 05/09/2000 |
| 6043183 | High power density carbons for use in double layer energy storage devices The present invention relates to carbon and methods for preparing same. In particular, this invention relates to the preparation of novel carbons derived from lignocellulosic materials (particularly wood-based lignocellulosic materials) which are useful f... | 03/28/2000 |
| 6030922 | Synthesizing carbon from sludge The synthesis of carbon, particularly in an activated form, from sludge materials such as composed of biosolids and the like is described wherein the treated material is subjected to processing including chemical activation, light and humidity treatment, ... | 02/29/2000 |
| 5990041 | Mesoporous activated carbon filaments This invention relates to a mesoporous carbon material in the form of filaments having a high surface area. A process is also provided to produce mesoporous carbon material of high surface area. The process comprises drying a carbon material, surface oxid... | 11/23/1999 |
| 5710091 | Sorbent compositions A process to produce a sorbent composition is provided. This process comprises: (a) contacting a zinc component, an alumina component, and a dispersant component, to form a mixture; and then (b) spray drying said mixture to form particles; and then (c) co... | 01/20/1998 |
| 5614459 | Process for making activated charcoal An improved process is provided for the preparation of activated carbon, which comprises swelling a carbonaceous material in a polar organic solvent containing an activating agent, removing the solvent, carbonizing the material, and removing the activatin... | 03/25/1997 |
| 5538932 | Preparation of high activity, high density activated carbon with activatable binder An improved method of manufacturing hard activated carbon pellets is disclosed in which a lignocellulose material is chemically activated to form a char and heated to a temperature above about 360° C. which char is ground and then agglomerated in a pin m... | 07/23/1996 |
| 5324703 | Method of preparation of gasoline vapor adsorptive activated carbon A method of manufacturing hard pelleted activated carbon is disclosed in which pellets are first formed by agglomeration in a pin mixer followed by pelleting the plasticized acid char (without the use of additional binders), and then activating the carbon... | 06/28/1994 |
| 5304527 | Preparation for high activity, high density carbon Lignocellulosic carbonaceous material is activated to produce a high activity, high density gas-phase activated carbon under conditions which effectively alter the particle pore volume size distribution to optimize the carbon's mesoporosity. A novel proce... | 04/19/1994 |
| 5276000 | Preparation for high activity, high density carbon Lignocellulosic carbonaceous material is activated to produce a high activity, high density gas-phase activated carbon under conditions which effectively alter the particle pore volume size distribution to optimize the carbon's mesoporosity. An improved p... | 01/04/1994 |
| 5271917 | Activation of carbon fiber surfaces by means of catalytic oxidation Carbon fibers having substantially increased active surface area and total surface area are used to enhance carbon fiber bonding to matrix materials in carbon fiber products. The enhanced active surface area and total surface area are produced by carbon r... | 12/21/1993 |
| 5250491 | Preparation of high activity, high density activated carbon Lignocellulosic carbonaceous material is activated to produce a high activity, high density gas-phase activated carbon under conditions which effectively alter the particle pore volume size distribution to optimize the carbon's mesoporosity. An agglomerat... | 10/05/1993 |
| 5212144 | Process for making chemically activated carbon An improved apparatus and method for the manufacture of activated carbon wherein a carbonaceous raw material impregnated with a chemical activating agent is treated by controlling the rate of heat transfer to the particles via indirect heating of the acti... | 05/18/1993 |
| 5206207 | Preparation for high activity high density carbon Carbonaceous material is activated to produce a high activity, high density gas-phase activated carbon under conditions which effectively alter the particle pore size distribution to optimize the carbon's mesoporosity. The carbon is particularly suited fo... | 04/27/1993 |
| 5204310 | High activity, high density activated carbon Lignocellulosic carbonaceous material is activated to produce a high activity, high density gas-phase activated carbon under conditions which effectively alter the particle pore size distribution to optimize the carbon's mesoporosity. Alternative processe... | 04/20/1993 |
| 5166123 | Carbonaceous adsorbent for removal of pyrogen from water A carbonaceous adsorbent to be used for the removal of a pyrogen dissolved in water is disclosed. The adsorbent is obtained by carbonizing porous beads of a cross-linked polymer. This adsorbent is favorably used for the removal of endotoxin in the product... | 11/24/1992 |
| 5162286 | Method of producing granular activated carbon There is described a method of producing activated carbon using the phosphoric acid activation process. The starting material employed is a young carbonaceous vegetable product which is comminuted to form particles having a very small particle size. The p... | 11/10/1992 |
| 5102855 | Process for producing high surface area activated carbon Process for producing activated carbon, preferably high surface area activated carbon, from inexpensive cellulosic precursors, such as paper, by pretreating the cellulosic precursor with an activating agent, such as phosphoric acid, followed by carbonizat... | 04/07/1992 |
| 5039651 | Chemically activated shaped carbon, process for producing same and use thereof A chemically activated shaped carbon suitable for adsorbing and desorbing hydrophobic organic compounds and having the specific properties in bulk density, pore volume, bulk density x pore volume, surface area, bulk density x surface area, mean pore size ... | 08/13/1991 |
| 5021391 | Carbonaceous adsorbent for removal of pyrogen and method of producing pure water using same A carbonaceous adsorbent to be used for the removal of a pyrogen dissolved in water is disclosed. The adsorbent is obtained by carbonizing porous beads of a cross-linked polymer. This adsorbent is favorably used for the removal of endotoxin in the product... | 06/04/1991 |
| 4689316 | Method of preparing supported catalysts Metal vapor may be deposited on catalyst supports to produce supported catalysts. This process allows deposition deep in the pores of the catalyst support without the impregnation problems of liquid phase deposition of catalytic material on porous catalys... | 08/25/1987 |
| 4544650 | Process for manufacturing hydrophobic adsorbents A composite mass with a major proportion of inorganic material and a minor proportion of organic material, preferably from industrial waste products, is activated by dehydration of its organic constituents whereupon the mass is subjected to a two-phase py... | 10/01/1985 |
| 4285831 | Process for production of activated carbon fibers A process for producing activated carbon fibers of high adsorption capacity which comprises oxidizing an acrylonitrile based fiber, wherein the acrylonitrile based fiber is a homopolymer of acrylonitrile, a copolymer containing about 60% by weight or more... | 08/25/1981 |
| 4256607 | Process for production of activated carbon fibers A process for producing activated carbon fibers comprising subjecting an acrylonitrile based fiber to oxidation processing in an oxidizing atmosphere at a temperature of about 200° C. to about 300° C. while applying a tension to the fiber until the amou... | 03/17/1981 |
| 4234326 | Filter assemblies with layers of activated carbon fibrous cloth A gas adsorption filter consisting of a gas inlet, a gas outlet and one or more layers of charcoal cloth, the layers of which are arranged to lie substantially parallel to the direction of the gas flow between the gas inlet and the gas outlet.... | 11/18/1980 |
| 4148753 | Neutralization of phosphoric acid activated carbon Cellulosic carbon that has been activated by a phosphoric acid process, is acid neutralized by contacting the carbon with an aqueous suspension of an additive material comprising a metal oxide or hydroxide of aluminum, zinc, or one of the alkaline earth e... | 04/10/1979 |
| 4034071 | Immunoassay procedures The technique of separating a tagged bound material from the same unbound material in immunoassay procedures is improved by utilizing a clathrate sorbent to carry out the separation. A clathrate sorbent, for example, comprises a mixture of hydrate zinc su... | 07/05/1977 |
| 4024076 | Process for producing granular sulfurized material, granular carbon or granular activated carbon A process for producing an infusible and insoluble granular sulfurized material by reacting a petroleum heavy material and sulfur with stirring in the presence of a reaction medium and further in the presence of, if necessary, an infusible and insoluble s... | 05/17/1977 |