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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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Class 528/337 - Phosphorus- or sulfur-containing reactant


Subclass of Class 528 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter wherein at least one reactant contains a
No. of patents: 367
Last issue date: 07/26/2011


1                    
NumberTitleIssue Date
7985828Solid polymer electrolyte, method for manufacturing the same and use thereof
A solid electrolyte of fully conjugated, water-soluble rigid-rod polymer with articulated backbone for isotropic ionic conductivity, a method for synthesizing the solid electrolyte and a battery, fuel cell or super-capacitor including the solid electrolyte. The poly...
07/26/2011
7288603Polybenzazole compound having sulfonic acid group and/or phosphonic acid group, resin composition containing the same, resin molding, solid polymer electrolyte membrane, solid polymer electrolyte membrane/electrode assembly and method of preparing assembly
An object of the present invention is to obtain a novel polymeric material capable of forming a solid polymer electrolyte excellent not only in processability, solvent resistance and durability/stability but also in ion conductivity by introducing sulfonic acid grou...
10/30/2007
7227084Insulated power cable
An insulated power cable contains a multi-strand cable of a plurality of bundles of uninsulated wires, and electrical insulation sheathing the cable, the electrical insulation having a thickness of from 0.0625 to 0.5 inches (0.16 to 1.3 centimeters) and having a plu...
06/05/2007
7205366Hole transport polymers and devices made with such polymers
The present invention is generally directed to a hole transport polymer comprising a polymeric backbone having linked thereto a plurality of substituents comprising fused aromatic ring groups, with the proviso that the polymer does not contain groups selected from t...
04/17/2007
7153925Condensation polymers from N, N*-disubstituted disulfonamides
The present invention relates to novel condensation polymers where N,N*-disubstituted disulfonamides are copolymerized with an organic acid dihalide such as dicarboxylic acid dichlorides, disulfonic acid dichlorides, bis chloroformates, diphosphoryl acid dichlorides...
12/26/2006
7125479Polymeric compositions comprising thieno[3,4-b]thiophene, method of making, and use thereof
Polymers and copolymers comprising repeating units of 5 thieno[3,4-b]thiophene. Water-borne dispersions of such polymers and copolymers can be cast by conventional methods to provide uniform, thin films which possess utility in numerous electroactive applications in...
10/24/2006
7109287Space environmentally durable polyimides and copolyimides
Polyimides displaying low color in thin films, atomic oxygen resistance, vacuum ultraviolet radiation resistance, solubility in organic solvents in the imide form, high glass transition (Tg) temperatures, and high thermal stability are provided. The poly(...
09/19/2006
7074851Method for making stabilised polyamide compositions
The invention relates to a process for preparing stabilized compositions based on polyamide. The stabilizer is a phosphorus stabilizer selected from phosphorous acid and hypophosphorous acid. It is introduced before or during the polymerization of the polyamide. The...
07/11/2006
7060782Process for a two stage melt polymerization for the production of polybenzimidazole having an improved solid state polymerization
A process for the production of high molecular weight polybenzimidazole by one: providing a first reaction vessel; charging the reaction vessel with at least one aromatic hydrocarbon tetraamine, and a heterocylic ring making up the dicarboxylic component; heating th...
06/13/2006
7053172Fuel-barrier polyamide resin and multilayer shaped article
The fuel-barrier polyamide resin of the present invention is a product of the polycondensation of a diamine component comprising 70 mol % or higher of m-xylylenediamine and a dicarboxylic acid component comprising 70 mol % or higher of a mixed dicarboxylic acid whic...
05/30/2006
7045241Proton conductive solid polymer electrolyte and method for producing the same
A monomer to produce polybenzimidazole is dissolved in polyphosphoric acid. For example, polysulfated phenylene sulfonic acid (acidic group-possessing polymer) is further dissolved in this solution. In this procedure, the acidic group-possessing polymer and the mono...
05/16/2006
7038007Process for a continuous polymerization for the production of high molecular weight polybenzimidazole
A process for a single-stage melt polymerization for the production of a high molecular weight polybenzimidazole which comprises the steps of: providing a reaction vessel having a means for agitation and a means for vacuum; charging the reaction vessel with reactant...
05/02/2006
7037096Cellulose extrusion
Apparatus for the production of extruded blown cellulose film from a solution of cellulose, water and an amine-oxide, which includes:—extrusion apparatus for continuously extruding a cellulose solution to produce a cellulose film;—solidifying apparatus for solid...
05/02/2006
6987163Modified polybenzimidazole (PBI) membranes for enhanced polymer electrochemical cells
The invention relates to a modified polybenzimidazole (PBI), membranes that are fabricated from these polymers, and their use in electrochemical applications. These membranes have high ionic conductivity and are suitable for solid polymer electrolytes in electrochem...
01/17/2006
6979719Coating composition comprising a compound comprising at least one bicyclo-orthoester group and at least one other functional group
The invention pertains to a coating composition comprising a compound comprising at least one bicyclo-orthoester group and at least one other functional group. The invention also comprises a process for curing the present coating composition. Further, a process for ...
12/27/2005
6958192Polyimides from 2,3,3′,4′-biphenyltetracarboxylic dianhydride and aromatic diamines
The present invention relates generally to polyimides. It relates particularly to novel polyimides prepared from 2,3,3′,4′-biphenyltetracarboxylic dianhydride and aromatic diamines. These novel polyimides have low color, good solubility, high thermal emissivity,...
10/25/2005
6946421Latent catalyst
This invention provides a latent catalyst having a structure of phosphonium borate consisting of a monovalent cation portion in which four specific groups are bonded to the phosphorus atom and a monovalent anion portion in which four specific groups are bonded to th...
09/20/2005
6881812Thermosetting resin and tetraorganophosphonium dicyclic tetraorganoborane catalyst
This invention provides a latent catalyst having a structure of phosphonium borate consisting of a monovalent cation portion in which four specific groups are bonded to the phosphorus atom and a monovalent anion portion in which four specific groups are bonded to th...
04/19/2005
6855757Preparation of glycol carboxyethylmethylphosphinate
The invention relates to a process of preparing glycol carboxyethylmethylphosphinate, which comprises a) reacting elemental yellow phosphorus with methyl chloride in the presence of an alkali or alkaline earth metal hydroxide to fo...
02/15/2005
6841652Space environmentally durable polyimides and copolyimides
Polyimides displaying low color in thin films, atomic oxygen resistance, vacuum ultraviolet radiation resistance, solubility in organic solvents in the imide form, high glass transition (Tg) temperatures, and high thermal stability are provided. The poly(...
01/11/2005
6841651Polyamide resin
The polyamide resin of the present invention is produced by polycondensation of a diamine component comprising 70 mol % or more of m-xylylenediamine and a dicarboxylic acid component comprising 70 mol % or more of a C4-C20 α, ω-straight-chain aliphatic dicarboxyli...
01/11/2005
6812325Polyamines and polymers made therewith
A polyamine having the formula: H2N—A[NR—B]aNH2 or salt thereof, wherein A and B, which may be the same or different, are selected from aliphatic or aromatic substituents provided that at least four carbon ato...
11/02/2004
6812324Method for preparing nylon 6 copolymer containing sulfonate comonomers
A method for preparing nylon 6 copolymer containing 5-sulfoisophthalate salts comonomer. The method includes the steps of reacting 5-sulfoisophthalate salts ester with aliphatic diamine in a molar ratio of 2˜20 at 160˜200° C., followed by completely removing the ...
11/02/2004
6774205Polyamides
A process for the preparation of novel polyamides, the use of such polyamides for the production of fibers, sheets and moldings, and fibers, sheets and moldings obtainable from such polyamides, are provided. ...
08/10/2004
6693163Solid-phase drying and solid-phase polymerization of polyamide
In the method for solid-phase drying or solid-phase polymerizing a polyamide of the present invention, the polyamide that is stored for 20 days or longer after the production thereof until subjected to the solid-phase drying or the solid-phase polymerizat...
02/17/2004
6680364Water dispersible polyamides with ethylenically unsaturated ends
The invention describes polyamides having both strongly hydrophilic groups and unsaturated groups, the polyamides consequently being water-dispersible and curable. The hydrophilic groups are distributed along the chain, whereas the unsaturated groups are ...
01/20/2004
6610816Process for production of polyamide
In the production of polyamide by the melt-polymerization of the present invention, the polymerization conditions are rapidly and accurately controlled by a near-infrared spectroscopy to enable the efficient production of a desired polyamide with a good s...
08/26/2003
6559274Stabilized monoaspartic acid esters and polyaspartic acid esters
The present invention relates to a composition comprising monoaspartic acid esters and polyaspartic acid esters as well as an addition product prepared from an unsaturated dicarboxilic acid compound and a thiol, a process for their production, and their u...
05/06/2003
6541600Water soluble and dispersible highly branched polyamides
Highly branched polyamides prepared in a single step procedure of condensation polymerization of multifunctional monomer reactants comprising amine and carboxylic acid functional groups. Polymerization proceeds by reaction of an amine group of a first mon...
04/01/2003
6524989Tetraorganophosponium dicyclic tetraorganoborate catalyst
This invention provides a latent catalyst having a structure of phosphonium borate consisting of a monovalent cation portion in which four specific groups are bonded to the phosphorus atom and a monovalent anion portion in which four specific groups are b...
02/25/2003
6444776Organic polymers
The present invention relates to novel crosslinkable amphiphilic block copolymers of formula ##STR1## wherein the variables are as defined in the claims, a process for their preparation and their use for the manufacture of mouldings. The block copoly...
09/03/2002
6423815Layer insulating film for multilayer interconnection, resin used therefor and process for producing the same
The present invention provides a layer insulating film for multilayer interconnection of semiconductors which is excellent in resistance to heat, resistance to moisture absorption as well as in electric characteristic properties, and a process for produci...
07/23/2002
6392009Extended-rod benzobisazole polymers
Benzobisazole polymers having repeating units of the formula ##STR1## wherein Z is ##STR2## wherein X is --S--, --O-- or --NH--....
05/21/2002
6306792Evaluating moisture resistance reliability of phosphonium borate catalyst
The moisture resistance reliability of a latent catalyst is evaluated for a phosphonium borate wherein at least one group pendant on the boron atom is a group formed when a proton donor having at least one proton capable of being liberated out of the mole...
10/23/2001
6280843Wholly aromatic polyamide fibers, a sheet comprising same and method of producing the sheet
Aromatic polyamide fibers which have a crystalline structure having (1) crystal size (A) in a (110) plane of 7.5 nm, (2) crystal size (B) in a (200) plane of 8.2 nm and (3) a product A×B of 61.50 to 630.00, and exhibit a thermal linear expansion coeffici...
08/28/2001
6277948Process and product for making polyamides
Disclosed in the present invention is a process for modifying a polyamide polymer comprising contacting a reactive modifier with diamine/diacid salt and/or an amino-acid of a hydrolyzed lactam or lactam to form a modified polyamide. A second embodiment of...
08/21/2001
6268465Hydrolysis-resistant aliphatic polyester amides, their production and use
An aliphatic polyester amide which is hydrolysis-resistant includes a ternary polycondensation product of monomeric constituents composed of a monomeric constituent A which is at least one diol having a general formula: HO--R1 --OH, where R
07/31/2001
6258928Process for improving characteristics of a polyamide
A process for improving characteristics such as, whiteness retention, degradation, and dyeability of a polyamide by contacting the polyamide with thiocyanate. A polyamide produced by the process has improved dyed color depth, dyed color uniformity, hue, e...
07/10/2001
6248861Manufacture of branched polyamides
A multi-stage process for the manufacture of branched aliphatic polyamides is provided. The process comprises the steps, in sequence, of feeding to a reactor a slurry of at least one aliphatic dinitrile, and at least one aliphatic diamine, at least one of...
06/19/2001
6248480High temperature polymer electrolytes
An electrolyte is provided having a backbone that includes a plurality of aromatic constituents coupled together by at least one atom having a π-cloud, and in which a halogen atom and an ion exchange group are covalently bound directly to the backbone. F...
06/19/2001
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