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Patent No. 5307162

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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Attorney: Seems; Eugene G.


Number of patents: 75
Last date: August 22, 1989

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NumberTitleIssue Date
4859343Sodium removal from brines
A method for removing 99% of the sodium ions from a natural or industrial brine containing dissolved salts of metals of Group 1A of the periodic chart and in which brine sodium ions are not the predominant metal ions by contacting the brine at pH 11 to 12...
08/22/1989
4857287Fast-dissolving, non-caking, food grade sodium tripolyphosphate
A fast-dissolving, non-caking, food grade sodium tripolyphosphate is produced by spraying into a spray dryer an aqueous sodium orthophosphate feed liquor having an Na2 O:P2 O5 ratio of from about 1.60 to about 1.67 contain...
08/15/1989
4820879Preparation of hydrocarbyloxy magnesium halides
The present invention provides a process for making hydrocarbyloxy magnesium halides by reacting in an inert atmosphere under anhydrous conditions activated magnesium metal with an oxygen containing compound of 1 to 20 carbon atoms and an anhydrous hydrog...
04/11/1989
4804526Process for purifying phosphoric acid for electrical semiconductor use
Phosphoric acid is treated to remove and/or tie up heavy metals and antimony to enable the acid to be used in electrical semiconductor applications by reacting the acid with hydrogen sulfide and with hydrogen peroxide in separate treating steps. The hydro...
02/14/1989
4792640Hydrocarbyloxy magnesium halides
This invention concerns solid organometallic hydrocarbyloxymagnesium halides of the formula ROMgX wherein RO is a hydrocarbyloxy group of 1 to 20 carbon atoms and X is halide, and a two step process for making these halides comprising: (a) reacting an act...
12/20/1988
4781756Removal of lithium nitride from lithium metal
A process for the removal of lithium nitride from lithium metal by adding to liquid lithium metal containing lithium nitride, at a temperature between the melting point of lithium and 300° C., with agitation, a stochiometric quantity of aluminum to react...
11/01/1988
4766240Process for preparing 2-(alkylbenzoyl)benzoic acid
An environmentally acceptable process is provided to synthesize a 2-(alkylbenzoyl)benzoic acid suitable for synthesizing a 2-alkylanthraquinone without further purification. Usually the crude product is isolated from the reaction mixture by a succession o...
08/23/1988
4758317Process and cell for producing hydrogen peroxide
The invention is an electrochemical cell which is useful to reduce oxygen to hydrogen peroxide at a cathode and a process employing the cell. The cell not only avoids the safety hazard of a hydrogen explosion of the prior art cells but also avoids the nee...
07/19/1988
4753718Hydrogen peroxide electrolytic cell
The invention is an electrochemical cell which is useful to reduce oxygen to hydrogen peroxide at a cathode. The cell avoids the safety hazard of a hydrogen explosion of the prior art cells. The cell has an added advantage in that the dimensions of the ca...
06/28/1988
4746682Polyurethane flame retardant
A liquid composition is provided suitable for use as a flame retardant additive for polyurethane foams. The composition overcomes the problems of high viscosity and precipitates forming in formulations of phosphate esters and polybromodiphenyl oxides and ...
05/24/1988
4744971Process for treatment of phossy water for recycling
In the electric arc furnace production of elemental phosphorus, cold phossy water is segregated from hot phossy water. The cold phossy water is discharged to a lined pond wherein solids settle to form a clarified cold water which is recycled for cooling a...
05/17/1988
4743381Process for oxidizing a cyanide compound
A process is provided for detoxifying an aqueous solution containing a cyanide by employing hydrogen peroxide in the presence of a solid catalyst. The solid catalyst comprises a transition metal supported on an aluminum oxide and/or silicon oxide base....
05/10/1988
4732751High purity lithium oxide process
A process for producing high purity lithium oxide comprising decomposing lithium peroxide at a temperature of 350° to 450° C., in an inert atmosphere in the substantial absence of water to produce impure lithium oxide followed by heating the impure lith...
03/22/1988
4711931Flame retarded polycarbonate polymers
A polycarbonate polymer composition rendered flame retardant by having combined these with an effective amount of a phosphorus-containing polyester polymer which is the polycondensation product of a glycol, phthalate and a phosphine oxide of the formula: ...
12/08/1987
4698067Formcoke having modified bituminous binder
Formcoke is produced by introducing feedstocks of calcined coal particles, bituminous binder, an aqueous carbohydrate and phosphoric acid into a mixing zone. The resulting mixture is compacted into shapes, such as briquettes, which are then cured in an ox...
10/06/1987
4695658Aryl carboxylate process
A process for replacing an aromatic carbon-thallium bond with a carbon-oxygen bond. The process is particularly suitable for producing specific aromatic isomers by thallating an aromatic compound and replacing the thallium with a carboxylate group which c...
09/22/1987
4693794Process for manufacturing hydrogen peroxide electrolytically
The invention is a method for operating a cell or plurality of cells for manufacturing hydrogen peroxide by reducing oxygen contained in the air. The method comprises directing air free from carbon dioxide over a cathode surface comprising an exterior sur...
09/15/1987
4681964Method of increasing the reactivity of phosphorus pentasulfide
The alcoholysis and phenolysis of phosphorus pentasulfide is accelerated by reacting the phosphorus pentasulfide with an alcohol or phenol in the presence of a catalytic amount of a catalyst consisting essentially of water, phosphoric acid, a phosphate sa...
07/21/1987
4676963Manufacture of sodium tripolyphosphate from wet acid
A process is described for converting wet acid into sodium tripolyphosphate by pretreating the wet acid in a pretreatment stage with a sodium source and SiO2 to precipitate fluoride values from the wet acid, solvent extracting the pretreated we...
06/30/1987
4626326Electrolytic process for manufacturing pure potassium peroxydiphosphate
The invention provides a process to manufacture fluoride-free potassium peroxydiphosphate on a commercial scale. The process comprises electrolyzing an alkaline anolyte containing potassium, phosphate, nitrate and hydroxyl ions at a platinum or noble meta...
12/02/1986
4626327Electrolytic process for manufacturing potassium peroxydiphosphate
The invention provides a process to maintain the anolyte pH in the desired range while manufacturing potassium peroxydiphosphate on a commercial scale. The process comprises electrolyzing an alkaline anolyte containing potassium, phosphate, and hydroxyl i...
12/02/1986
4623687Bicyclic phosphine oxides and their use as flame retardants in styrene modified polyphenylene ether resins
A bicyclic phosphine oxide composition comprising the grouping ##STR1## wherein P is phosphorus, O is oxygen, A is an alkylene chain of 2 to 12 carbon atoms, Z is a polar group and R represents the carbon atoms in a phosphorus-containing ring formed ...
11/18/1986
4620024Process for producing and recovering tributyl phosphate esters
In a continuous alkoxidation-phosphorylation process for producing tributyl phosphate having low color utilizing excess butanol in the alkoxidation reaction which is heated by an alcohol flasher wherein the excess butanol is recovered after phosphorylatio...
10/28/1986
4597889Homogeneous laundry detergent slurries containing polymeric acrylic stabilizers
A stable, homogeneous, aqueous detergent slurry is described containing polymeric acrylic stabilizers. The slurry contains about 14 weight percent to about 30 weight percent of a sodium polyphosphate, 0 to about 1 weight percent of sodium carboxymethylcel...
07/01/1986
4595492Recovery of phosphorus from dilute waste streams
Process for recovery of elemental phosphorus from phosphorus sludge produced in a phosphorus furnace by treating the sludge in a centrifugal separator and separating a fine dirt slimes fraction from a recovered heavy fraction containing the major portion ...
06/17/1986
4590051Sodium tripolyphosphate manufacture
In the manufacture of sodium tripolyphosphate, the make up liquor containing the requisite sodium and phosphorus values, is treated with from about 0.01 to 0.1 weight percent of hydrogen peroxide before the liquor is heated to form sodium tripolyphosphate...
05/20/1986
4585865Azabicyclic methanols
1-aza bicyclo [2.2.2.]oct-2-ene alcohols are used to form glycolic esters, useful as anticholinergic drugs, which have the formula ##STR1## wherein R1 is selected from the class consisting of phenyl and cyclopentyl; R2 represent...
04/29/1986
4584378Anticholinergic compounds
Glycolic esters, useful as anticholinergic drugs, have the formula ##STR1## wherein R1 is selected from the class consisting of phenyl and cyclopentyl; R2 represents a hydrocarbon radical of 3 to 6 carbon atoms; Z is selected fr...
04/22/1986
4578088Electrical insulating and sealing apparatus and process for using same
An electrical insulating and sealing apparatus, and process of using same, is described for use in an electrostatic precipitator. The apparatus employs a flexible insulator seal through which passes an electrical lead-in conductor with rubber boots to sea...
03/25/1986
4575403Apparatus for distilling phosphorus
A continuous process for reducing the arsenic content of phosphorus is described in which the impure phosphorus is continually passed through a heat exchanger and heated to vaporize a portion of the phosphorus at a temperature not above 200° C., separati...
03/11/1986
4574076Removal of hydrogen sulfide from geothermal steam
A process for removing hydrogen sulfide from saturated steam is described whereby the steam and hydrogen sulfide entrained therein are contacted under conditions of turbulent flow with hydrogen peroxide. The effectiveness of the process is improved by sim...
03/04/1986
4544494Homogeneous laundry detergent slurries containing amphoteric surface-active agents
A stable, homogeneous, aqueous detergent slurry is described containing an amphoteric surface-active agent. The slurry contains about 14 weight percent to 30 weight percent of a sodium polyphosphate, about 1 weight percent to 5 weight percent of an alkali...
10/01/1985
4543250Toiletry formulations comprising low molecular weight carrageenan
Toiletry formulations including low molecular carrageenan extractives which are present in amounts effective to provide for substantivity to hair and skin keratin and provide for conditioning of hair and skin as a result of the water-binding capacity of s...
09/24/1985
4537708Homogeneous laundry detergent slurries containing nonionic surface-active agents
A stable, homogeneous, aqueous detergent slurry is described containing nonionic surface-active agents. The slurry contains about 14 weight percent to 30 weight percent of a sodium polyphoshate, about 1 weight percent to 5 weight percent of an alkali meta...
08/27/1985
4536377Process for making sodium tripolyphosphate
A one step spray drying process for making high assay sodium tripolyphosphate having a high concentration of form I material by spray drying an aqueous sodium orthophosphate feed liquor having an Na2 O:P2 O5 ratio of 1.60 ...
08/20/1985
4534945Stabilization of high purity hydrogen peroxide
An aqueous 25% to 35% solution of hydrogen peroxide with a residue on evaporation of 20 mg/l or less are stabilized against decomposition by a maximum of 1.4 mg/l tin. The tin is maintained in the solution in the form of a very fine colloidal sol by the a...
08/13/1985
4521316Oil well completion fluid
A well-treating fluid of high density, solids-free and corrosion-resistance is formed comprising an aqueous solution of at least 50% by weight tetrapotassium pyrophosphate and a salt which can be either monopotassium orthophosphate, dipotassium orthophosp...
06/04/1985
4511498Mixed phenyl/mesityl phosphate ester composition
A mixed phenyl/mesityl phosphate ester composition that is useful as a fire retardant additive, having a phosphorus content of from about 8.2% to about 8.4% is prepared by reacting with agitation at about 120° C. to 130° C. distilled still bottom phenol...
04/16/1985
4504641Polyacrylamide cross-linked with a polysaccharide resin as electrophoretic gel medium
An electrophoresis medium, comprising a copolymer of acrylamide and an ethylenically unsaturated resin formed by replacing at least some of the hydroxyl hydrogens in a polysaccharide with an ethylenically unsaturated group, is described....
03/12/1985
4503178Cyclic phosphine oxides and their use as flame retardants in styrene modified polyphenylene ether resins
Cyclic phosphine oxides of the formula: ##STR1## wherein P is phosphorus, O is oxygen, A is an alkylene chain of 2 to 12 carbon atoms, Z is a polar group and R represents the carbon atoms in a phosphorus-containing ring formed by alkylating an ethyle...
03/05/1985
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