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Cloaking System Using Optoelectronically Controlled Camouflage
A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.
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| Number | Title | Issue Date |
| 8080678 | Purification of propylene oxide The invention is a method of purifying propylene oxide containing 25-100 ppm aldehyde impurities. The method comprises contacting the propylene oxide in the liquid phase with an amine-functionalized ion exchange resin, and recovering a purified propylene oxide produ... | 12/20/2011 |
| 7268192 | Process for producing high-purity epoxy resin and epoxy resin composition A process for production a high purity epoxy compound with total chlorine content of 500 ppm or less is characterized in that alkali metal hydroxide is added to a bifunctional epoxy compound represented by the general formula (I), in which content of the component w... | 09/11/2007 |
| 7208640 | Process for isolating highly pure 2-methoxypropene A process for isolating purified 2-methoxypropene from a mixture which comprises 2,2-dimethoxypropane, 2-methoxypropene, methanol, acetone, and optionally other carbonyl group-containing compounds, which process involves subjecting the mixture to distillation, addin... | 04/24/2007 |
| 7084284 | Separation process Phosphine and/or phosphine oxide promoters are effectively separated from propylene oxide reaction solvents through use of a membrane effective to retain the phosphine and/or phosphine oxide. ... | 08/01/2006 |
| 7067680 | Process for preparing organic hydroperoxide having a reduced amount of contaminants A process for preparing organic hydroperoxide having a reduced content of contaminants, which process involves: (a) oxidation of an organic compound to obtain reaction product containing an organic hydroperoxide; (b) contacting at least par... | 06/27/2006 |
| 6962967 | Method of purifying polyether polyols of non-volatile impurities The subject invention provides polyurethane foam and a method of purifying polyether polyols of non-volatile impurities for use in forming the polyurethane foam. The method includes the step of providing a crude polyether polyol having a non-volatile impurity presen... | 11/08/2005 |
| 6927310 | Tripropylene glycol production A method for forming multiple tripropylene glycol products of acrylate grade comprising forming a composition of dipropylene glycol, tripropylene glycol, tetrapropylene glycol and heavier, and at least one aldehyde, separating from said composition tripropylene glyc... | 08/09/2005 |
| 6909022 | Process of removing organic halogen-containing compounds The present invention relates to a process of removing organic halogen-containing compounds from a liquid stream mainly containing one or more of the compounds selected from the group consisting of glycol, water and alcohol, which process involves contacting the str... | 06/21/2005 |
| 6906209 | Purification of propylene oxide A process for purifying propylene oxide containing an unacceptable quantity of a poly (propylene oxide) polymer contaminant having a number average molecular weight of at least 50,000 and precursors having a number average molecular weight below 50,000. The process ... | 06/14/2005 |
| 6870060 | Product recovery from supercritical mixtures Oxidation products are recovered from a mixture of the products in a dense phase or supercritical solvent by a liquid—liquid extraction at dense phase conditions. ... | 03/22/2005 |
| 6756453 | Alicylic epoxy compounds and their preparation process, alicylic epoxy resin composition, and encapsulant for light-emitting diode The present invention relates to alicyclic epoxy compounds obtained by selectively hydrogenating aromatic rings of aromatic epoxy compounds in the presence of a hydrogenation catalyst, the concentration of the platinum group element in the product alicyclic epoxy co... | 06/29/2004 |
| 6749668 | Process for the recovery of combustible components of a gas stream A process for the recovery of combustible components of a gas stream containing the combustible components and oxygen by selective absorption of the combustible components in a solvent, whereby during the absorption the gas phase is dispersed in a continuous liquid ... | 06/15/2004 |
| 6727389 | Cyclic organo-oxide storage vent scrubbing A method for processing at least one cyclic organo-oxide using a closed loop scrubber/holding tank system that contains at least one amine, and circulating the amine through the closed loop while admitting the cyclic organo-oxide to the closed loop. ... | 04/27/2004 |
| 6677468 | Methods of reducing chloride content in epoxy compounds In accordance with the present invention, methods have been developed for the reduction of the chloride content of epoxy compound starting materials. Invention methods comprise fractionating an epoxy compound starting material into portions (e.g., fractio... | 01/13/2004 |
| 6641784 | Optically active isocyanurate and optical resolver comprising derivative of the same An optical resolver comprising an optically active substance made of tris-(2,3-epoxypropyl)isocyanurate, is presented. The optical resolver comprises an optically active tris-(epoxyalkyl)isocyanurate or its derivative, or an optically active derivative of... | 11/04/2003 |
| 6596883 | Process for the epoxidation of olefins A process for the working up of a product stream from the epoxidation of olefins that contains olefin, olefin oxide, water-miscible organic solvent and water, by separating this product stream into an overhead product containing olefin, olefin oxide and o... | 07/22/2003 |
| 6548620 | Epoxy resin composition and process for producing the same The present invention provides a tetramethylbiphenyl type high performance epoxy resin composition and a curable epoxy resin composition containing the epoxy resin, useful in electrical and electronic fields and the like. The tetramethylbiphenyl type epox... | 04/15/2003 |
| 6528665 | Preventing undesired odor in and/or purifying alkanediols Epoxyalkanes are subjected to at least one of the following washing operations: (1) washing with aqueous inorganic base, and then with aqueous borohydride, or vice versa; or (2) washing with an aqueous solution of both inorganic base and borohydride. Unde... | 03/04/2003 |
| 6462209 | Process for the purification of propylene oxide Process for improving the quality of a propylene oxide contaminated with poly(propylene oxide), which process comprises the steps of: (a) contacting the liquid propylene oxide with an adsorbent consisting of magnesium silicate and/or calcium silicate unde... | 10/08/2002 |
| 6451879 | Phenolic resin, epoxy resin, and processes for producing these A process for producing a phenolic resin of good hue, characterized by reacting a hydroxylated aromatic compound with an unsaturated cyclic hydrocarbon compound in the presence of both active hydrogen and a reducing metal compound with the aid of an acid ... | 09/17/2002 |
| 6407150 | Processes for producing phenolic resin and epoxy resin A process for producing phenol resin having good color tone, which process comprises reacting hydroxyl group-containing aromatic compound and unsaturated cyclic hydrocarbon under the condition that the moisture is 100 ppm or less and the concentration of ... | 06/18/2002 |
| 6278003 | Process for refining epoxy compounds, and heat-stable epoxy compounds prepared thereby A process for refining epoxy compounds, wherein the process comprises: (a) providing a washed and dried organic phase comprising at least one epoxide compound; (b) contacting the organic phase with at least one basic solid selected from the group consisti... | 08/21/2001 |
| 6211389 | Methods of reducing the chloride content of epoxy compounds In accordance with the present invention, methods have been developed for the reduction of the chloride content of epoxy compound starting materials. Invention methods comprise subjecting specifically defined combinations comprising an epoxy resin startin... | 04/03/2001 |
| 5576362 | Insulating material and a circuit substrate in use thereof An insulating material characterized by that said insulating material is made by curing a mixture composed of a bisphenol A type epoxy resin having purity which is equal to or more than 90% and an organic filler, the thermal conductivity thereof is in a r... | 11/19/1996 |
| 5559255 | Method of recovering ethylene oxide The present invention relates to a method of recovering ethylene oxide comprising the steps of: bringing a mixed gas containing ethylene oxide into contact with an absorbent so as to cause the absorbent to absorb the ethylene oxide; and stripping and separatin... | 09/24/1996 |
| 5547758 | Insulating material An insulating material characterized by that said insulating material is made by curing a mixture composed of a bisphenol A type epoxy resin having purity which is equal to or more than 90% and an organic filler, the thermal conductivity thereof is in a r... | 08/20/1996 |
| 5514818 | Resolution of stereoisomers of aliphatic epoxides A method of resolving a mixture of stereoisomers of an aliphatic epoxide containing two or less oxygen atoms is provided. The method comprises utilizing a polysaccharide or a derivative thereof as a resolving agent.... | 05/07/1996 |
| 5493035 | Propylene oxide purification Activated carbon to be used in the removal of impurities from propylene oxide is first pre-wetted with a glycol such as propylene glycol; after bed deactivation, water containing a basic catalyst is added to hydrolyze propylene oxide and to form a non-haz... | 02/20/1996 |
| 5489366 | Recovery of purified and substantially anhydrous propylene oxide A distillation method for the purification of crude propylene oxide containing contaminating quantities of water and methanol by partially purifying the crude propylene oxide in a plural stage distillation zone to provide a vaporized overhead distillate p... | 02/06/1996 |
| 5440058 | Method for separating compounds in process streams A method, especially applicable on a continuous basis to commercial process streams, for treating unwanted by-products and/or impurities contained in those streams. The method comprises the reaction in situ of such by-products or impurities with a reagent... | 08/08/1995 |
| 5405977 | Process for removing organic halides from alkylene carbonates A method for removing organic halide contaminants from alkylene carbonates is disclosed. Organic halide contaminants are removed from alkylene carbonates by contacting the contaminated alkylene carbonate with hydrotalcite.... | 04/11/1995 |
| 5352807 | Propylene oxide purification The method for the separating close-boiling impurities from propylene oxide essentially free of high molecular weight poly (propylene oxide) which comprises contacting the impure propylene oxide with solid activated carbon adsorbent and separating propyle... | 10/04/1994 |
| 5296618 | Method for the manufacture of the derivatives of propionic acid A method is provided for supplying the desired optical isomer of a derivative of epoxypropionic acid from a racemix mixture. A representative derivative of epoxypropionic acid is an ester of (p-methoxyphenyl)epoxypropionic acid. The racemic mixture initia... | 03/22/1994 |
| 5235075 | Purification of propylene oxide A process for purifying propylene oxide containing an unacceptable quantity of poly(propylene oxide) contaminant having a molecular weight of at least about 50,000, which comprises contacting the so-contaminated propylene oxide with a quantity of a substa... | 08/10/1993 |
| 5187287 | Lower alkylene oxide purification The method for the separating close-boiling impurities from C2 -C4 l alkylene oxide which comprises contacting the impure alkylene oxide with solid activated carbon adsorbent and separating alkylene oxide reduced in impurities conten... | 02/16/1993 |
| 5129996 | Lower alkylene oxide purification A method is provided for the separation by extractive distillation of hydrocarbon impurities from lower alkylene oxides such as propylene oxide wherein a glycol having 2 to 5 carbon atoms is used as extractive solvent.... | 07/14/1992 |
| 5106458 | Method for the purification of propylene oxide Methyl formate is removed from impure propylene oxide by contacting the impure propylene oxide in a treating zone with a basic ion exchange resin for a period of time sufficient to convert the methyl formate to formic acid and methanol, and by withdrawing... | 04/21/1992 |
| 5107002 | Lower alkylene oxide purification The method for the separating methyl formate from lower alkylene oxide such as propylene oxide which comprises contacting the impure alkylene oxide with basic ion exchange resin and separating alkylene oxide reduced in methyl formate content.... | 04/21/1992 |
| 5006206 | Propylene oxide purification A method is provided for the separation by extractive distillation of hydrocarbon impurities from propylene oxide wherein t-butyl alcohol/water is used as extractive distillation solvent.... | 04/09/1991 |
| 5000825 | Monoepoxide purification A method is provided for the separation by extractive distillation of oxygenated impurities from a monoepoxide while avoiding epoxide loss, wherein lower glycol is used as extractive solvent in amounts so as to provide only up to about 0.3 mol % solvent i... | 03/19/1991 |
