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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 |
| 7625993 | Polyaldimines The invention relates to polyaldimines which may be obtained from at least one polyamine (A) with aliphatic primary amino groups and at least one aldehyde (B). Said polyaldimines are odorless as are the aldehydes (B) produced by hydrolysis thereof. The invention fur... | 12/01/2009 |
| 7318899 | Method of separating isotopes A process in which isotopes of the same element belonging to the alkaline earth metals, transition elements and heavy metals having an atomic mass of less than 209, in particular lanthanide metals, are separated in an aqueous medium by treating an aqueous medium. | 01/15/2008 |
| 7279543 | Anti-bacterial polymer and method for the preparation thereof, anti-bacterial polymer film and method for the preparation thereof, and article having such a film on the surface thereof An anti-bacterial polymer of the present invention consists of a vapor deposition-polymerization reaction product of a diaminobenzoic acid monomer or halogen atom-containing diamine monomer and a monomer reactive with these monomers. The anti-bacterial polymer can b... | 10/09/2007 |
| 7253321 | Process for the preparation of polyamines of the diphenylmethane series at a low degree of protonation The invention provides a process for the preparation of polyamines of the diphenylmethane series. This process comprises a) reacting aniline and formaldehyde in a molar ratio of 1.5:1 to 6:1, in the presence of an acid catalyst at ... | 08/07/2007 |
| 7087732 | Nucleotides and analogs having photoremovable protecting groups A synthetic strategy for the creation of large scale chemical diversity. Solid-phase chemistry, photolabile protecting groups, and photolithography are used to achieve light-directed spatially-addressable parallel chemical synthesis. Binary masking techniques are ut... | 08/08/2006 |
| 7041776 | Process for the production of polyisocyanates of the diphenylmethane series by phosgenation of non-neutralized polyamine of the diphenylmethane series The invention relates to a method of producing polyisocyanates of the diphenylmethane series including the steps of a) reacting aniline and formaldehyde in the presence of HCl to provide a product mixture containing polyamines of t... | 05/09/2006 |
| 6936681 | Slow release nitrogen fertilizer A slow release, particulate urea-formaldehyde polymer useful as a fertilizer for enhancing the extended delivery of nitrogen needed for plant development and growth and a granular fertilizer made with the particulate urea-formaldehyde polymer. ... | 08/30/2005 |
| 6919211 | Polypeptide arrays The present invention provides methods and apparatus for sequencing, fingerprinting and mapping biological macromolecules, typically biological polymers. The methods make use of a plurality of sequence specific recognition reagents which can also be used for classif... | 07/19/2005 |
| 6916505 | Mannich based adducts as water based epoxy curing agents with fast cure capabilities for green concrete application A water-soluble composition including a water soluble polyamine adduct which is a reaction product of: (a) an alkoxy group modified polyepoxide resin containing an average of at least 1.5 epoxide groups per molecule; and (b) a Mannich base polyamine. The Mannich bas... | 07/12/2005 |
| 6720091 | Polymeric fluorescent substance, polymeric fluorescent substance and polymer light-emitting device using the same A polymeric fluorescent substance or polymeric fluorescent substance solution is disclosed which can attain higher luminous efficiency as a polymer LED. The polymeric fluorescent substance has a specific content of water or poor solvent. Also disclosed is an organic... | 04/13/2004 |
| 6605685 | Low smoke producing resin for use in honeycomb sandwich panels An improved resin for use in making honeycomb sandwich panels. The improvement involves modifying a phenolic resin so that the amount of smoke and heat generated during combustion is reduced. The reduction in smoke and heat generation is achieved by reduc... | 08/12/2003 |
| 6586557 | Use of triazone materials in fiberglass binders Provided is an improved binder for use of fiberglass insulations and glass mats. The fiberglass binder is a triazone material prepared from urea, formaldehyde and a primary amine or a mixture of a priamary amine and ammonia. The binder of the present inve... | 07/01/2003 |
| 6528582 | Method of preparing co-polymer particles A one-step, in-situ, process for producing a high solids content emulsion or dispersion of partially or totally crosslinked urea formaldehyde (UF), melamine formaldehyde (MF), or melamine urea formaldehyde (MUF) resin droplets or particles, by forming a r... | 03/04/2003 |
| 6521359 | Polymeric fluorescent substance and polymer light emitting device Provided is a polymeric fluorescent substance which emits a fluorescence in a solid state, which comprises the following repeating unit in an amount of 20 mol % or more based on the total amount of all repeating units, ##STR1## in the formula, X1 | 02/18/2003 |
| 6482874 | Method of accelerating hardening of thermosetting resin and device therefor The present invention provides a method of accelerating hardening of thermosetting resin and a device therefor such that hardening time is rendered far shorter than in the case of the prior art. By way of a pertinent means, when unhardened thermosetting r... | 11/19/2002 |
| 6335420 | Polyamide ligand-containing polymeric resins and methods of using the same for removing, separating and/or concentrating desired metal ions from solutions The present invention is drawn to polyamide ligand-containing polymeric resins and methods of using the same for removing, separating, and/or concentrating certain desired metal ions from solutions, even when the desired ions are in the presence of other ... | 01/01/2002 |
| 6258898 | Amino resins functionalized with carbamate groups and coating compositions containing the same A crosslinking agent comprising one or more carbamate groups or groups convertible to carbamate and two or more polyfunctional amino moieties having the formula ##STR1## wherein L is selected from the group consisting of alkyl or aryl, cycloalkyl and... | 07/10/2001 |
| 6245853 | Method of preparing co-polymer particles A one-step, in-situ, process for producing a high solids content emulsion or dispersion of partially or totally crosslinked urea formaldehyde or melamine formaldehyde resin droplets or particles, by forming a reaction mixture of (i) aqueous formaldehyde (... | 06/12/2001 |
| 6228974 | Aminoplast curable film-forming compositions providing films having resistance to acid etching An aminoplast-curable film-forming composition is disclosed. The film-forming composition is a crosslinkable composition comprising (1) a material containing a plurality of carbamate and/or urea functional groups and (2) an aminoplast crosslinking agent. ... | 05/08/2001 |
| 6201095 | Color improvement of DME-melamine resins A process is described for preparing a dialkoxyethanal-amine derivative resin low in color by adding low amounts of formaldehyde to the reactants before acidification and heating. The reaction product is also claimed. The composition is useful in a variet... | 03/13/2001 |
| 6194487 | Method of manufacturing modified particles In the present method of manufacturing modified particles, a saturated vapor of a monomer B is produced in a condensing chamber, and then particles containing a monomer A, which differs from the monomer B and is polymerizable therewith, are introduced, al... | 02/27/2001 |
| 6136200 | Treatment for paint and lacquer waste water A composition for the detackification and clarification of acid and alkaline paint and lacquer waste waters and paint spray booth wastes, comprising: an inorganic-organic and/or organic adduct alloy polymer composition having the formula: A.multidot.B | 10/24/2000 |
| 6077614 | Modified melamine resins and their use for producing postformable laminates Modified melamine-formaldehyde resins are made of a condensate of formaldehyde, urea, melamine and modifying agents which contains: (a) a combination of 5 to 25 wt %, with respect to melamine, of dicyanodiamide and 8 to 30 wt %, with respect to melamine, ... | 06/20/2000 |
| 6060571 | Acrolein-releasing copolymers Acrolein polymer from acrolein and one or more polyhydric alcohols, characterized by release of monomeric acrolein in aqueous systems and hence by a prolonged effect on microorganisms, is prepared by adding acrolein to a reaction medium containing catalys... | 05/09/2000 |
| 6034201 | Process for preparing urea-formaldehyde resins A method of forming a urea formaldehyde resin includes the step of heating solid paraformaldehyde to a temperature of 60 to 120° C. Urea is added to the heated paraformaldehyde to form a urea mixture, which is dry mixed and heated until a temperature of ... | 03/07/2000 |
| 6025309 | Polymeric acetals of hydroxycarboxylic acids and their derivatives, and a process for their preparation The present invention relates to polymeric acetals containing the recurring structural unit (I) ##STR1## where the substituents and numbers are as defined in the description. These polymeric acetals are suitable as base components for water-soluble ... | 02/15/2000 |
| 5990259 | Polyketone polymer composition Polymer composition made by combining a polyketone polymer and a monophenolic compound of the general formula: ##STR1## R1 and R2, independently, are hydrogen or alkyl groups with 1-6 carbon atoms, Y is an organic group from 3 u... | 11/23/1999 |
| 5973072 | Polymeric vehicles which include a phenolic urethane reactive diluent The present invention is directed to a polymeric vehicle, the formulated coating composition and a coating binder made from the polymeric vehicle and a method for making the polymeric vehicle where the polymeric vehicle includes a phenolic urethane reacti... | 10/26/1999 |
| 5955561 | Hydroxy esters and amides derived from active ester urethanes and their use in film-forming compositions Novel hydroxy ester, hydroxy amide, and amide functional compounds are provided comprising the reaction product of: (a) an active ester functional material having the structure: ##STR1## wherein R1 is derived from a polyisocyanate; m is at lea... | 09/21/1999 |
| 5888655 | Primer coating compositions containing carbamate-functional novolac resins A composite coating is described. The composite comprises a substrate; one or more primer coating layers disposed on the substrate; and at least one topcoat layer disposed on the outermost primer coating layer. The outermost primer coating layer is obtain... | 03/30/1999 |
| 5886110 | Binary-branched polyoxaalkylene macromolecules process for making them and their uses Branched, dendrimeric macromolecules having a central nucleus and a series of polyoxaalkylene chains that radiate from the nucleus and spread into the surrounding space branching a cascade fashion until the desired size results. Molecules formed in this m... | 03/23/1999 |
| 5874179 | Nitrogen-containing polymers as electroluminescent materials The invention relates to nitrogen-containing polymers containing structural units of formula (I), ##STR1## where the symbols and indices have the following meanings: Ar1, Ar2, Ar3 are, identically or differently, mono... | 02/23/1999 |
| 5847190 | Dendritic nitrogen-containing organic compounds containing planar-chiral or axial-chiral end groups and the preparation and use thereof The present invention relates to dendritic, nitrogen-containing organic compounds containing at least 4 planar-chiral or axial-chiral groups, where these planar-chiral or axial-chiral groups are linked as Schiff's bases to the primary amino groups of comp... | 12/08/1998 |
| 5756594 | Polymers containing polyacetal blocks, their preparation and their use Polymers which contain polyacetal blocks are obtainable by polymerizing carboxylates containing aldehyde groups in the presence of initiators and reacting the polymers with at least bifunctional crosslinking agents in the presence of acids or Lewis acids ... | 05/26/1998 |
| 5739260 | Hydrophobically modified resin composition for graphics applications A resin composition useful as a crosslinker for graphics applications is provided comprising the reaction product of an amine derivative chosen from melamine, glycolurile or their mixtures with a C1 to C8 dialkoxyethanal, the reactio... | 04/14/1998 |
| 5712363 | Oligomeric sterically hindered polyamine crosslinkers and coating compositions containing the same The present invention relates to coating compositions including a particular class of oligomeric sterically hindered polyamines as replacements for traditional blocked and unblocked polyamine crosslinkers. The use of these oligomeric sterically hindered p... | 01/27/1998 |
| 5705605 | Process for the preparation of a dyeing auxiliary There is described a process for the preparation of basic poIycondensates, which comprises (a) reacting an amine of formula ##STR1## wherein R1, R2, R3 and R4 are each independently of one another hydrogen ... | 01/06/1998 |
| 5700880 | Process for the preparation of poly(oxyalkylene) terpolymer by hydrogenation The invention relates to a process for the preparation of copolymers or polycondensates having solvating properties. The process for the preparation of a copolymer or a polycondensate comprised essentially of solvating units susceptible of inducing crysta... | 12/23/1997 |
| 5700882 | Compounds with liquid crystalline properties and coating binders based thereon Polymeric vehicles with liquid crystalline-like properties, solvent dispersible polymeric vehicles, formulated coating compositions with liquid crystalline-like properties and a method for imparting liquid crystalline properties to a coating binder are de... | 12/23/1997 |
| 5674971 | Urea-formaldehyde resin composition and method of preparation thereof A urea-formaldehyde resin useful as a binder for making a variety of products, and a method for making the resin. The resin is prepared by reacting formaldehyde, urea, and ammonia in at least a two under alkaline conditions and optionally neutralizing the... | 10/07/1997 |
