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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 |
| 5438027 | Chromium compounds and uses thereof Inorganic oxides, modified with a metal alkyl and an unsaturated hydrocarbon, can be used to support a metal source, such as, for example, chromium, and a pyrrole-containing compound. The resultant catalyst system can be used to trimerize olefins. Olefin ... | 08/01/1995 |
| 5427994 | Lignosulfonate-modified calcium hydroxide for SO2 control during furnace injection A method is provided for preparing particulate calcium hydroxide/calcium lignosulfonate sorbent by contacting calcium oxide with water.... | 06/27/1995 |
| 5401896 | Process for preparing long chain alkyl aromatic compounds Relatively long chain alkyl aromatic compounds are prepared by alkylating an alkylatable aromatic compound with a relatively long chain alkylating agent under alkylation reaction conditions in the presence of catalyst comprising zeolite MCM-49.... | 03/28/1995 |
| 5371157 | Olefin polymerization catalyst A high activity olefin polymerization catalyst, useful in the polymerization of lower -olefins, comprises the solid product resulting from contacting a complex magnesium-containing, titanium-containing alkoxide compound with alkylaluminum halide, ... | 12/06/1994 |
| 5348987 | NOx removal catalyst containing an inorganic fiber NOx removal catalyst can be obtained by kneading various kinds of inorganic fibers and water containing a surfactant to make a pulp-like substance, adding a catalytic component thereto and then further kneading the resultant mixture to prepare a catalyst ... | 09/20/1994 |
| 5345027 | Alkylation process using co-current downflow reactor with a continuous hydrocarbon phase A continuous alkylation process for the production of high octane gasoline comprising contacting a mixture of an isoparaffin and an olefin with a catalyst complex comprising BF3:H3 PO4 in a continuous hydrocarbon downflow reactor.... | 09/06/1994 |
| 5336653 | Catalyst for asymmetric synthesis The present invention provides a catalyst for asymmetric synthesis prepared from a dialkali metal salt of an optically active 2,2'-dihydroxy-1,1'-binaphthyl represented by the formula (IR) ##STR1## or the formula (IS) ##STR... | 08/09/1994 |
| 5336831 | Olefin isomerization process An improved process is disclosed for the isomerization of butenes and/or pentenes using a catalyst comprising a non-zeolitic molecular sieve. It is of particular interest to increase the proportion of olefins containing tertiary carbons in the product wit... | 08/02/1994 |
| 5332706 | Process and a catalyst for preventing reactor fouling A support containing methylalumoxane and derivatives thereof is described which is formed by an incipient impregnation technique. The most preferred support is silica. Incipient impregnation in accordance with the invention provides a supported alumoxane,... | 07/26/1994 |
| 5330947 | Boron alkyl as co-catalyst to improve polymerization yield and control polydispersity This invention relates to a catalyst system using a boron alkyl in combination with an aluminum alkyl as a co-catalyst, a process for making the catalyst system and a process using the catalyst system for polymerization of olefins, especially -olef... | 07/19/1994 |
| 5330948 | Homogeneous catalysts for stereoregular olefin polymerization The synthesis, and use as precatalysts of chiral organozirconium complexes for olefin polymerization are disclosed, having the structure (C5 R'4-x R*x) A (C5 R"4-y R'"y) M Qp, where x... | 07/19/1994 |
| 5328883 | Hydrocarbon conversion A contact material composition containing an intimately mixed, mixed oxide of at least one cationic species of a naturally occurring Group IIIB element, at least one cationic species of a Group IIA metal of magnesium, calcium, strontium, and barium and a ... | 07/12/1994 |
| 5326925 | Isomerization process for 2,3-dimethylbutane production An isomerization process maximizes the production of 2,3-dimethylbutane by using an arrangement of two reaction zones that operate at low conversion conditions to maximize the production of a methyl pentane containing intermediate and limit the interconve... | 07/05/1994 |
| 5326920 | Isobutylene oligomerization using supported acid catalysts A process for the production of polyisobutylene (PIB) from isobutene-containing feed comprises contacting said feed with a catalyst composition comprising halides of a metal component anchored on an adsorbent inorganic oxide solid by an oxygen-metal bond ... | 07/05/1994 |
| 5326921 | AlCl3 -catalyzed process for preparing poly-N-butenes from mixed butenes Poly-n-butene is prepared from a mixed C4 hydrocarbon feedstream containing less than about 5 wt. % isobutylene using an AlCl3 -HCl catalyst system wherein the HCl is introduced separately into the feedstream to form organochloride i... | 07/05/1994 |
| 5326922 | Hydrogen transfer process The transfer of hydrogen from a paraffin to an olefin is carried out in the presence of, as catalyst, MCM-36. Especially when the paraffin reactant is an isoparaffin, the olefin produced from the reacted isoparaffin may react with unreacted isoparaffin to... | 07/05/1994 |
| 5326923 | Method for regenerating certain acidic hydrocarbon conversion catalysts by solvent extraction This invention is a process for the regeneration of solid acidic hydrocarbon conversion catalysts, but particularly certain transition aluminas and zeolites promoted with Lewis acids (preferably BF3) which have been used in the alkylation of is... | 07/05/1994 |
| 5324878 | Process for catalytic dimerization of isobutene Disclosed is a process for carrying out the selective dimerization of isobutene in order to produce alpha- and beta-di-isobutene dimer3, according to which process an isobutene stream is brought into contact, under dimerization conditions, with... | 06/28/1994 |
| 5324699 | Alkylation catalyst complex The present invention relates to a novel alkylation catalyst complex and to alkylation processes employing such a catalyst complex. More specifically, the invention relates to a novel catalyst complex comprising a BF3 :H3 PO4 | 06/28/1994 |
| 5324701 | Heterogeneous catalyst for preparing alternating olefin/carbon monoxide copolymers A catalyst active in the preparation of alternating olefin/carbon monoxide (CO) copolymers is constituted by: (a) Pd(O2 CNEt2)2 (NHEt2)2 supported on a solid carrier preferably constituted by hydroxylated ... | 06/28/1994 |
| 5324697 | Phillips catalyst and its use for preparing ethylene homopolymers and copolymers A novel Phillips catalyst for the homopolymerization of ethylene and the copolymerization of ethylene with -olefins contains as catalytically active components a specific chromium catalyst on an aluminum phosphate support and cocatalysts of the for... | 06/28/1994 |
| 5324700 | Method of producing carbonic acid esters and a catalyst therefore Carbonic acid esters are important compounds as a gasoline extender, an octane number improver, an organic solvent and a reacting agent in place of phosgene for production of isocyanates, polycarbonates and various intermediates of agricultural chemicals ... | 06/28/1994 |
| 5324881 | Supported heteropoly acid catalysts for isoparaffin-olefin alkylation reactions The alkylation of isoparaffin with olefin to provide alkylate is carried out in the presence of, as catalyst, a supported heteropoly acid. The support may be MCM-41, and the heteropoly acid may be dodecawolframophosphoric acid (i.e., phosphotungstic acid,... | 06/28/1994 |
| 5322830 | Method for the preparation of catalyst components for the polymerization of ethylene with a relatively narrow molecular weight distribution and protocatalyst composition The invention relates to a method for the preparation of a supported procatalyst intended for the polymerization of olefins, in which particles are formed from magnesium halide and alcohol, the particles are reacted with an organometallic compound of any ... | 06/21/1994 |
| 5321190 | Oligomerization of ethylene with a supported nickel catalyst There is provided a catalyst comprising nickel supported on a pillared (e.g., silica pillared) vacancy titanate material. There is also provided a method for preparing this catalyst. This method may involve impregnating a pillared vacancy titanate materia... | 06/14/1994 |
| 5321186 | Method for preparing unsaturated compounds A method for preparing an unsaturated compound mainly comprising monoolefins, or a mixture of , ଲ-unsaturated nitriles and monoolefins comprises coming a mixed gas which comprises paraffins and oxygen, or paraffins, oxygen and ammonia in cont... | 06/14/1994 |
| 5321187 | Catalyst for the direct conversion of methane to higher hydrocarbons and method for the preparation of same A method for preparing a catalyst for conversion of methane to higher hydrocarbons, discloses the steps of: forming a mixture of a manganese aqueous solution and an oxidative agent aqueous solution in an inorganic oxide support material; varying a pH valu... | 06/14/1994 |
| 5320997 | Catalytic lens sterilizing system An appliance for sterilizing contact lenses or the like includes a reaction vessel for containing the lenses in sterilizing contact with hydrogen peroxide solution and two catalytic elements for decomposing the hydrogen peroxide during the lens sterilizat... | 06/14/1994 |
| 5321175 | Olefin hydrogenation procedure Procedure of olefin hydrogenation in liquid phase in the presence of homogeneous catalysts that contain, as essential component, a titanocene of general formula Cp CpTiR2, Cp CpTiR2, Cp Cp[CpTiR2 ]2, or Cp Cp[Cp... | 06/14/1994 |
| 5321189 | Preparation of propene oligomers A process for propene oligomerization catalyzed by transition metal complexes in liquid phase to give propene oligomers with a high content of terminal double bonds, comprises oligomerizing propene in the presence of a catalyst of the formula I Cp2 | 06/14/1994 |
| 5321106 | Addition polymerization catalyst with oxidative activation Addition polymerization catalysts comprising a derivative of a Group 4 or Lanthanide metal compound prepared by oxidative activation, a process for preparation and an addition polymerization method utilizing such catalysts.... | 06/14/1994 |
| 5320995 | Catalysts for the polymerization of olefins A catalyst for the polymerization of olefins, containing magnesium, chlorine, aluminium and at least one transition metal, in a dispersed or emulsified form within an inert diluent, is obtained by: contacting, in an inert diluent, a magnesium dialkyl and alumi... | 06/14/1994 |
| 5321179 | Process for preparing of aromatic hydrocarbons A process for producing modified crystalline galloalumino silicate having the ZSM-5 crystal structure, and a process for producing aromatic hydrocarbons by the use of a catalyst containing the above modified crystalline galloalumino silicate are disclosed... | 06/14/1994 |
| 5321184 | Pretreatment method for C8 aromatic isomerization process A pretreatment method for a C8 aromatic isomerization process wherein the isomerization catalyst is initially contacted with a C8 aromatic feedstock under high severity isomerization conditions for a period of time sufficient to depo... | 06/14/1994 |
| 5320993 | Dimerization catalyst systems and processes A catalyst system composition and a process to prepare a catalyst composition comprising a cobalt compound, a metal alkyl and a coordinating compound is provided. The resultant catalyst system composition can be used to dimerize ethylene with high product... | 06/14/1994 |
| 5321188 | Process and catalyst for converting methane into higher hydrocarbon products Methane is converted into higher hydrocarbon products, and especially into ethane and ethylene, by oxidative coupling, by bringing a gaseous mixture containing methane and oxygen into contact at high temperature for a short contact time with a solid catal... | 06/14/1994 |
| 5318935 | Amido transition metal compound and a catalyst system for the production of isotatic polypropylene Certain bridged and unbridged amido transition metal compounds of the Group IV-B metals are disclosed. These compounds may be used in a catalyst system comprising the amido transition metal compound and an alumoxane. Also disclosed is a process using the ... | 06/07/1994 |
| 5316990 | Catalyst material An improved catalyst material is derived from a precious metal-containing macrocyclic compound precursor, which contains precious metal in zero oxidation state. The material may be produced by activating the compound, for example by a voltage sweep. The m... | 05/31/1994 |
| 5316994 | Copper hydrides as co-catalysts for olefin polymerization An improved olefin metathesis catalyst system is disclosed. The catalyst system comprises a transition metal halide metathesis catalyst and an organo transition metal hydride co-catalyst of the formula Rx '--Cu--H The copper hydride co-catalyst of t... | 05/31/1994 |
| 5315055 | Method of cracking polymeric materials catalyzed by copper The present invention is a method for depolymerizing or "cracking" polymeric materials. The method of the present invention may be used in the disposal and/or recycling of such materials. Products of the degradation of polymeric materials using the presen... | 05/24/1994 |
