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.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7347938 | Use of hydrophobically modified copolymers based on N-vinyl monomers for the production of membranes The present invention relates to the use of copolymers A containing a) from 50 to 99% by weight of at least one N-vinyllactam or N-vinylamine selected from the group consisting of N-vinylpyrrolidone, N-vinylpiperidone, N-vinylcapro... | 03/25/2008 |
| 7312281 | Anhydrous, liquid phase process for preparing hydroxyl containing polymers of enhanced purity An anhydrous, liquid phase process for preparing hydroxyl containing polymers of enhanced purity comprising the steps of polymerization, purification, transesterification, purification, catalyst removal, and solvent exchange. The resultant polymer in solution can be... | 12/25/2007 |
| 7179865 | Purification with reducing agents of vinyl polymers obtained by atom transfer radical polymerization This invention provides a method for purification of a vinyl polymer which comprises the atom transfer radical polymerization of a vinyl monomer using a transition metal complex as the polymerization catalyst, said... | 02/20/2007 |
| 7151141 | Stabilized fluorine-containing polymer and method for stabilizing fluorine-containing polymer To a fluorine-containing polymer, 0.1 to 10% of a compound having an alkali metal or an alkaline earth metal in terms of the number of atoms of the alkali metal or the alkaline earth metal based on the total number of the above terminal groups, 0.1 to 10% of ammonia... | 12/19/2006 |
| 7138461 | Fluorine-containing copolymer molding material A molding material consisting of a fluorine-containing copolymer, which has a metal elution index η of at most 10 as the total amount in ng of metals of Na, Mg, Cu, Cr, Ni, K, Ca and Fe per 1 g of the molding material, as obtained by elution analysis of the molding... | 11/21/2006 |
| 7087681 | Method for preparing polymers containing cyclopentanone structures A method to electrolytically polymerize aromatic hydrocarbons and oxidize cyclopentane structures within the hydrocarbons into cyclopentanone structures is disclosed including a method to electrolyze fluorene in the presence of an ester to produce poly(9-fluorenone)... | 08/08/2006 |
| 7053125 | Controlled dispersion of colloidal suspension by comb polymers Comb polymers are used as dispersants to increase the stability of colloidal suspensions containing multivalent or high concentrations of monovalent ions. Stabilized colloidal suspensions and methods of forming stabilized colloidal suspensions are described, includi... | 05/30/2006 |
| 6914099 | Water absorbent resin particles of crosslinked carboxyl-containing polymers with low monomer content Superabsorbent polymers having reduced levels of residual monomer are produced using a peroxodisulfate salt. ... | 07/05/2005 |
| 6903163 | High melt swell polymer The present invention relates to high melt swell partially neutralized alpha olefin acid copolymers. It also relates to a process for making such high melt swell polymers as well as for covalently crosslinking other polar copolymers including non-neutralized acid co... | 06/07/2005 |
| 6864324 | Anhydrous, liquid phase process for preparing hydroxyl containing polymers of enhanced purity An anhydrous, liquid phase process for preparing hydroxyl containing polymers of enhanced purity comprising the steps of polymerization, purification, transesterification, purification, catalyst removal, and solvent exchange. The resultant polymer in solution can be... | 03/08/2005 |
| 6777501 | Stabilized fluorine-containing polymer and method for stabilizing fluorine containing polymer To a fluorine-containing polymer, 0.1 to 10% of a compound comprising an alkali metal or an alkaline earth metal in terms of the number of atoms of the alkali metal or the alkaline earth metal based on the total number of the above terminal groups, 0.1 to 10% of amm... | 08/17/2004 |
| 6736856 | Crosslinked acrylic moisture absorbing fibers and production methods thereof The invention provides a production method capable of reducing the amount of the chemical liquid (hydrazine and sodium carbonate, etc.) for applying a crosslinking treatment and a hydrolytic treatment, capable of shortening the treatment time, and capable of obtaini... | 05/18/2004 |
| 6730764 | Concrete hardening retarder A concrete retarder comprises a polymer (A) having the concrete set retarding ability. The polymer (A) has, as a structural unit, a low glass transition temperature (Tg) component with a Tg of not higher than −5° C., and a surface tension of 45 mN/m or lower. The... | 05/04/2004 |
| 6686420 | Pneumatic tire having a component containing high trans styrene-isoprene-butadiene rubber The invention is directed to a pneumatic tire having at least one component comprising a vulcanizable rubber composition, wherein the vulcanizable rubber composition comprises, based on 100 parts by weight of elastomer (phr), from about 30 to 100 phr of h... | 02/03/2004 |
| 6683143 | Ion-sensitive, water-dispersible polymers, a method of making same and items using same The present invention is directed to ion-sensitive, water-dispersible polymers. The present invention is also directed to a method of making ion-sensitive, water-dispersible polymers and their applicability as binder compositions. The present invention is... | 01/27/2004 |
| 6680082 | Mixed-metal-neutralized-copolymer-resins for metal coating powder applications The present invention relates to neutralized copolymer resins having at least two different metals with one of the metals being zinc. These mixed metal resins are transformed into particulate or powder form for application to metal objects. The powder com... | 01/20/2004 |
| 6670426 | Olefinic thermoplastic elastomer, process for production thereof, olefinic thermoplastic elastomer compositions, process for producing the same, and moldings thereof An olefin thermoplastic elastomer containing an olefin random copolymer formed by copolymerizing ethylene, an -olefin having 3 to 10 carbon atoms and an unsaturated monomer having a functional group, and optionally a non-conjugated diene, and metal... | 12/30/2003 |
| 6670424 | Ross-linked sulphonated polymers and their preparation process The present invention is concerned with cross-linked sulfonated polymers, eventually perfluorinated, and their preparation process. When molded in the form of membranes, the polymers are useful in electrochemical cells, in a chlorine-sodium electrolysis p... | 12/30/2003 |
| 6667377 | Polyvinylidene fluoride ionomers containing pendant fluoroalkylsulfonyl imide or fluoroalkylsulfonyl methide groups This invention concerns ionomers comprising monomer units of vinylidene fluoride and monomer units of perfluorovinyl ethers having pendant groups containing fluoroalkyl sulfonyl methide or fluoroalkyl sulfonyl imide derivatives and univalent metal salts t... | 12/23/2003 |
| 6649703 | Cross-linked sulphonated polymers and their preparation process The present invention is concerned with cross-linked sulfonated polymers, eventually perfluorinated, and their preparation process. When molded in the form of membranes, the polymers are useful in electrochemical cells, in a chlorine-sodium electrolysis p... | 11/18/2003 |
| 6583248 | Polymerizable cyclodextrin derivatives The polymerizable cyclodextrin derivatives ("PCDs") of this invention relate to cyclodextrin derivatives wherein substantially each molecule of which contains one or more covalently attached polymerizable group or groups, may also contain one or more othe... | 06/24/2003 |
| 6559227 | Process for producing vinylamine-vinyl alcohol copolymer and use of the copolymer Disclosed is a process for producing a powdered water-soluble polymer comprising hydrolyzing a copolymer comprising an N-vinylamide unit and a vinyl acetate unit while dispersed in water under a basic condition and then washing the resulting powdered wate... | 05/06/2003 |
| 6429265 | Moisture-absorbing and desorbing polymer and compositions derived therefrom Disclosed herein is a moisture-absorbing and desorbing polymer, characterized in that, the said polymer is an organic high-molecular substance containing 1.0-8.0 meq/g of carboxyl group of a potassium type and having a cross-linking structure.... | 08/06/2002 |
| 6410666 | ABA triblock and diblock copolymers and methods of preparing the same The invention discloses a method for preparing a tri block copolymer of the formula: ##STR1## comprising: (a) contacting a cycloalkene with a chain transfer agent of the formula: Z--Y.dbd.Y--Z in the presence of a metal carbene metathesis catalyst to form a ... | 06/25/2002 |
| 6281255 | Methods for regeneration of weakly basic anion exchange resins with a combination of an alkali metal carbonate and an alkali metal bicarbonate Regeneration of weakly basic anion exchange resins with a combination of an alkali metal carbonate and an alkali metal bicarbonate is disclosed. Preferably, the alkali metal is sodium. The combination can be naturally available sodium sesquicarbonate.... | 08/28/2001 |
| 6191234 | Conjugated diolefin-based copolymer rubber and composition thereof Conjugated diolefin-based copolymer rubber of a conjugated diolefin and an aromatic vinyl compound, wherein (1) the content of amino groups bound to the rubber (nitrogen content value) is 0.0025 to 0.20 mmol/g of copolymer rubber, (2) the content of the polyme... | 02/20/2001 |
| 6133381 | Brominated polystyrenic flame retardants This invention relates to a thermally stable brominated polystyrene composition which contains alkali metal base (e.g., NaOH) in an amount less than about 1 wt % such that if the flame retardant is dissolved in bromochloromethane and the resultant solutio... | 10/17/2000 |
| 6100343 | Process for producing paintable polymeric articles A method for improving surface adhesion characteristics of a polymeric substrate and/or virgin polymeric material in which the portion of the surface of the polymeric substrate and/or virgin polymeric material to be treated is contacted with a composition... | 08/08/2000 |
| 6077913 | Process for producing paintable polymeric articles A method for improving surface adhesion characteristics of a polymer substrate in which the portion of the surface of the polymeric substrate to be treated is contacted with a fluid material containing at least one oxidizing agent. The oxidizing agent in ... | 06/20/2000 |
| 6077910 | Cement retarder and cement retardative sheet A polymer comprising an anionic group (e.g. an acid anhydride group, a carboxyl group) and a hydro-philic segment (e.g. a polyoxyalkylene ether unit) is used as a cement retarder. The polymer is obtainable by copolymerization of a monomer including maleic... | 06/20/2000 |
| 5990238 | Release coating for adhesive articles and method A polymer includes an ethylene-containing backbone having substituents attached thereto, wherein the substituents include a urethane linked nitrogen-bonded hydrocarbon side chain having about 5 carbon atoms or more in length and a terminal methyl group; a... | 11/23/1999 |
| 5945486 | Fluoropolymeric substrates with metallized surfaces and methods for producing the same Fluoropolymeric substrates with metallized surfaces may be prepared by self-assembly of a chemisorbed layer of a metal ion-chelating organosilane onto a fluoropolymer surface after radio-frequency glow discharge plasma surface hydroxylation. The silane co... | 08/31/1999 |
| 5891956 | Water-soluble polymers and compositions thereof Water-soluble polymers including functionalization from the group of amino groups, carboxylic acid groups, phosphonic acid groups, phosphonic ester groups, acylpyrazolone groups, hydroxamic acid groups, aza crown ether groups, oxy crown ethers groups, gua... | 04/06/1999 |
| 5866670 | Process for preparing polyacetal copolymer A process for producing a polyacetal copolymer, which is extremely heat-stable and is extremely reduced in the quantity of unstable terminals even in a high polymerization yield in which trioxane as the principal monomer, comprises copolymerization of tri... | 02/02/1999 |
| 5856410 | Polyacrylate superabsorbent post-polymerization neutralized with solid, non-hydroxyl neutralizing agent. A new and improved method of manufacturing an acrylic acid superabsorbent polymer, that is manufactured by any known technique, except that the acrylic acid monomer is polymerized to substantial completion before neutralization, and neutralization is acco... | 01/05/1999 |
| 5837779 | Process for producing ionomers employing ethylene terpolymers A process for the production of an ionomers containing ethylenically-unsaturated structural units comprising contacting: (a) a terpolymer containing structural units produced from (i) at least one -olefin having from 2 to 8 carbon atoms; (ii) at least o... | 11/17/1998 |
| 5830933 | Denture adhesive composition A denture adhesive composition contains a denture adhesive and a pharmacologically acceptable carrier in which the denture adhesive is a salt of a copolymer of maleic acid or anhydride and a 1 to 5 carbon atom alkyl vinyl ether having a specific viscosity... | 11/03/1998 |
| 5753780 | Polymers having oxidic functionality and derivatives thereof Disclosed are polymers comprising phenyl rings pendant from the polymer chains or incorporated therein, wherein the phenyl rings are substituted with aldehyde and/or carboxylic acid functionalities and/or derivatives thereof. Also disclosed is a catalytic... | 05/19/1998 |
| 5696207 | Fluroropolymeric substrates with metallized surfaces and methods for producing the same Fluoropolymeric substrates with metallized surfaces may be prepared by self-assembly of a chemisorbed layer of a metal ion-chelating organosilane onto a fluoropolymer surface after radio-frequency glow discharge plasma surface hydroxylation. The silane co... | 12/09/1997 |
| 5665829 | Process for the polymerization of olefinic-containing monomers employing anionic initiators Siloxy-terminated hydrocarbon polymers containing at least one polymer chain per molecule of the formula: ##STR1## wherein R1, R2 and R3 are independently selected from saturated and unsaturated aliphatic and aromatic... | 09/09/1997 |