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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 |
| 7402553 | Method for preparing a buffered acid composition A buffered acid composition created by the combination of liquid ammonia and an acid and a method for making the composition. The buffered acid composition is for use as a cleaning agent and for balancing the pH of a fluid. ... | 07/22/2008 |
| 7160847 | Water solution using in metal surface treating process and process for removing oxidized film and burred edge using the same A method for chemical etching is disclosed for taking away oxidized film and removing cut as well as punched edge burs of harden-treated carbon steel (SK3, SK4 and SK5). Thereby, the fillet edge of the cut section is achieved. An oxidized film with a thickness of se... | 01/09/2007 |
| 7041629 | Stripper for special steel The inventive aqueous pickling agent on the basis of sulfuric acid or phosphoric acid and hydrogen fluoride for stainless steels, which pickling agent is free of wetting and emulsifying agents, contains (each as 100 wt-% substance) | 05/09/2006 |
| 7037379 | Anti-tarnish aqueous treatment An aqueous solution that has the capacity for removing tarnish and other soil from copper, silver, gold and other noble metals and alloys thereof comprises an acid, thiourea and a transition metal salt. The aqueous material can be used to treat the surfaces of such ... | 05/02/2006 |
| 6998352 | Cleaning method, method for fabricating semiconductor device and cleaning solution A cleaning solution having an oxidation-reduction potential lower than that of pure water and a pH value of 4 or below is used to remove metal contamination, thereby efficiently removing the metal contamination adhered onto a surface of a substrate without damaging ... | 02/14/2006 |
| 6896739 | Anti-tarnish aqueous treatment An aqueous solution that has the capacity for removing tarnish and other soil from copper, silver, gold and other noble metals and alloys thereof comprises an acid, thiourea and a transition metal salt. The aqueous material can be used to treat the surfaces of such ... | 05/24/2005 |
| 6653267 | Aqueous dispersion for chemical mechanical polishing used for polishing of copper The present invention provides an aqueous dispersion for chemical mechanical polishing suitable for polishing of copper, which has a high polishing speed and a low erosion rate with overpolishing. The aqueous dispersion for chemical mechanical polishing o... | 11/25/2003 |
| 6344090 | Metal loss inhibitors and processes therewith An inhibitor especially useful for aqueous solutions being used at high temperatures to remove scale from boiler tubes and the like contains (1) amines including a substituent group with an abietyl nucleus, (2) organic compounds or polymers that contain a... | 02/05/2002 |
| 6194369 | Pickling/activation solution for the pretreatment of aluminum-steel composites prior to dip tinning The invention relates to an aqueous preparation for the pickling and activation of aluminum-steel composites prior to electroless dip tinning. Specifically, the invention provides pickling/activation solutions for the pretreatment of aluminum-steel compos... | 02/27/2001 |
| 6153015 | Process for removing soap-contaminated conversion layers on metal workpieces The process for removing a soap-contaminated conversion layer remaining on a metal workpiece after cold-forming with an aqueous acidic cleaning composition containing water, a surfactant such as an alkyl amine ethoxylate and nitric acid, phosphoric acid a... | 11/28/2000 |
| 5972868 | Method for controlling alkaline earth and transition metal scaling with 2-hydroxyethyl iminodiacetic acid Alkaline earth and transition metal scaling such as calcium and magnesium scaling can be controlled or removed in pipes, vessels, heat exchanges, evaporators, and filters, and in the oil field applications such as, for example, for drilling, production, a... | 10/26/1999 |
| 5972862 | Cleaning liquid for semiconductor devices There is disclosed a cleaning liquid for producing a semiconductor device which comprises (A) fluorine-containing compound; (B) water-soluble or water-miscible organic solvent; and (C) inorganic acid and/or organic acid, optionally, further comprises (D) ... | 10/26/1999 |
| 5958854 | Silver polish formulation containing thiourea A chemical cleaning composition for silver- or copper-containing surfaces consists of a water-soluble solid or powder comprising thiourea or a derivative thereof, and is formulated in unit application form, e.g. in tablet or sachet form. A preferred compo... | 09/28/1999 |
| 5759985 | Compositions for the stabilization of bromochloromethane A combination of stabilizers and bromochloromethane are used as a cleaning composition in which the bromochloromethane is stabilized against decomposition and the release of bromine into the atmosphere.... | 06/02/1998 |
| 5669980 | Aluminum desmut composition and process A composition of matter is disclosed for cleaning an aluminum surface comprising: a hydroxy organic acid; an organic complexing agent; a phosphorous oxide acid; a nitrogen oxide acid; optionally a urea compound; and optionally a compound having a fluoride ion.... | 09/23/1997 |
| 5429764 | Liquid drain opener compositions based on sulfuric acid The present invention relates to a composition and method for opening clogged drains. Specifically, the liquid drain opener composition of the present invention comprises about 70%-93% by weight sulfuric acid; about 1%-23% by weight water; about 0.01%-5% ... | 07/04/1995 |
| 5169598 | Corrosion inhibition in highly acidic environments A method for inhibiting corrosion of ferrous surfaces in an acidic, aqueous medium having a temperature of at least about 200° F. is disclosed. The method comprises incorporating into the mediumn a corrosion inhibiting amount of a corrosion inhibitor com... | 12/08/1992 |
| 4751051 | -aminoalkylsulfur compositions The uses of -aminoalkyl sulfur compositions and to the preparation thereof, particularly as corrosion inhibitors. These compositions contain a moiety of the general formula ##STR1## in a linear or cyclic configuration.... | 06/14/1988 |
| 4637899 | Corrosion inhibitors for cleaning solutions A corrosion inhibitor composition comprising: (1) at least one of an aliphatic pyridinium salt or an aliphatic quinolinium salt; and (2) a sulfur-containing compound. The compositions are useful in inhibiting the corrosion of metals during the cleaning of proc... | 01/20/1987 |
| 4572743 | Method for pickling metallic surfaces A method for removing rust and/or scale from a metal surface, comprising contacting said metal surface with a homogeneous pickling solution comprising a major amount of a halogenated hydrocarbon solvent, an effective solubilizing amount of at least one al... | 02/25/1986 |
| 4561895 | Non-abrasive metal cleaning agent The present invention relates to a non-abrasive metal polish or cleaning agent for objects, particularly household objects and ornaments, having surfaces of copper, silver, or chromium or of any alloy which is comprised of these metals either separately o... | 12/31/1985 |
| 4557838 | Inhibiting acid corrosion of metals Metal corrosion by aqueous acid solutions is inhibited by admixture therein of a synergistic additive consisting essentially of: (1) a heterocyclic nitrogen compound or alkylamine, (2) an acetylenic alcohol, and (3) a dialkylthiourea. In certain instances good inhi... | 12/10/1985 |
| 4541945 | Inhibitor-containing acid cleaning compositions and processes Acid cleaning compositions containing an inhibitor for cleaning metal surfaces, processes for cleaning metal surfaces therewith, and concentrates useful in forming the acid cleaning compositions. The present acid cleaning compositions contain an acid, a M... | 09/17/1985 |
| 4496470 | Cleaning composition A composition for cleaning fouled reverse osmosis membranes or other similar fouled surfaces. The composition will remove calcium and magnesium scale as well as iron scale and organic fouling materials. The composition is biodegradable and safe to use.... | 01/29/1985 |
| 4465620 | Prevention of copper plating during chemical cleaning operations There is provided a composition which inhibits corrosion and copper plate-out during chemical cleaning of a steam or water carrying system. The composition comprises an -aminoalkylsulfide and a surface active agent.... | 08/14/1984 |
| 4446056 | Preparation of mixture of nitrogen and sulfur-nitrogen heterocyclics and use in corrosion inhibiting A process of preparing sulfur-containing compositions which comprises reacting hexahydrotriazines, or the precursors thereof, with sulfur or sulfur-containing compounds. The products of the reaction are useful as corrosion inhibitors. Additionally, ketone... | 05/01/1984 |
| 4439338 | Solution for stripping a layer of tin or tin-lead alloy from a substrate by means of a spraying operation The invention relates to a chemical solution capable of selectively stripping a layer of tin or tin-lead alloy from a substrate, generally of copper, by means of a spraying operation, without requiring the use of any specially designed machine, inasmuch a... | 03/27/1984 |
| 4397753 | Solder stripping solution Solder stripping solution having an extended life for stripping and removing tin-lead alloy solder or tin deposits from entire circuits or tabs with an insignificant amount of attack on the base epoxy laminate or underlay copper or nickel substrate while ... | 08/09/1983 |
| 4393026 | Compounds containing sulfur and amino groups This invention relates to the following: (a) An amino-containing composition characterized by polymercapto groups, (2) A polyamino-containing composition characterized by mercapto or polymercapto groups, (3) A composition characterized by the presence of A. a merca... | 07/12/1983 |
| 4381249 | Rust removing and metal surface protecting composition A rust removing and metal surface protecting composition, which comprises about 99.5% by weight of phosphoric acid at 85% concentration, from 0.11 to 0.14% by weight of 1,3-dibutyl thiourea, from 0.09 to 0.11% by weight of 1,3-diethyl thiourea, about 0.02... | 04/26/1983 |
| 4349458 | Selected poly(oxyalkylated) 1,3,4-thiadiazoles in acid baths and their use as corrosion inhibitors Disclosed are selected poly(oxyalkylated) 1,3,4-thiadiazoles of the formula: ##STR1## wherein each R is individually selected from hydrogen and methyl; and the sum of y and z is from 2 to about 30. These compounds are shown to be effective corro... | 09/14/1982 |
| 4332967 | Compounds containing sulfur and amino groups This invention relates to the following: (1) An amino-containing composition characterized by polymercapto groups, (2) A polyamino-containing composition characterized by mercapto or polymercapto groups, (3) A composition characterized by the presence of A. a merca... | 06/01/1982 |
| 4329475 | Selected poly(oxyalkylated) 1,3,4-thiadiazoles and their use as corrosion inhibitors Disclosed are selected poly(oxyalkylated) 1,3,4-thiadiazoles of the formula: ##STR1## wherein each R is individually selected from hydrogen and methyl; and the sum of y and z is from 2 to about 30. These compounds are shown to be effective corro... | 05/11/1982 |
| 4217329 | Sulfone containing quaternary ammonium derivatives of 1,4-thiazines This invention relates to N-alkyl sulfone containing quaternary ammonium derivatives of 1,4-thiazines; to the preparation thereof; and to the uses thereof, for example as corrosion inhibitors, microbiocides, etc.... | 08/12/1980 |
| 4188359 | Thioether containing quartenary ammonium derivatives of 1,4-thiazines This invention relates to N-alkyl thioethers of quaternary ammonium derivatives of 1,4-thiazines; to the preparation thereof; and to the uses thereof for example as corrosion inhibitors, microbiocides, etc.... | 02/12/1980 |
| 4180469 | Dithiocarbamate sulfonium salt inhibitor composition Compositions comprising mixtures of a dithiocarbamic acid derivative and a sulfonium compound such as triphenylsulfonium chloride provide effective corrosion inhibition in acid treatment of metal in the presence of a copper complexing agent such as a thio... | 12/25/1979 |
| 4104303 | Acid inhibitor composition and process in hydrofluoric acid chemical cleaning A Mannich base and thiourea inhibitor composition and method of inhibiting the acid attack by aqueous hydrofluoric acid on ferrous metal surfaces, and in particular, highly reactive ferrous metal surfaces.... | 08/01/1978 |
| 4069225 | 3-(1-Hydroxyethyl)imino-1,2,4-dithiazolidine-5-thione A new corrosion inhibitor for acid-pickled ferrous and nonferrous metals in the form of isoperthiocyanic and its -hydroxy-substituted derivatives of the formula ##STR1## The metals are pickled in aqueous solutions of acid mixed with 0.1-1 wt.-... | 01/17/1978 |
| 4032466 | Acid cleaner and process for disposal thereof A thickened acid cleaner concentrate composition comprising an inorganic acid, e.g., hydrochloric, an organic acid, e.g., oxalic, a nonionic surfactant, an anionic surfactant, a flocculating agent such as iron or aluminum ion and water is useful in cleani... | 06/28/1977 |
| 4025359 | Inhibited acid composition for cleaning water systems A pipe cleaning composition containing hydrochloric acid, furfural, dialkylthiourea, and water has a reduced tendency to attack galvanized pipe or steel pipe.... | 05/24/1977 |
