Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 7378461 | Curable epoxy resin compositions and process for production thereof The invention relates to (1) a curable epoxy resin composition comprising (A) a non-gel type amine-modified epoxy resin which is obtained by reacting an epoxy resin with a polyamine and (B) at least one of boric acid and boric ester, (2) a powder form of the curable... | 05/27/2008 |
| 7307128 | Epoxy compound, preparation method thereof, and use thereof The present invention relates to an epoxy compound, represented by a general formula (I), which is solid at ordinary temperature, has extremely low melt viscosity and has excellent curing property and which can provide a cured product which is excellent in mechanica... | 12/11/2007 |
| 7304120 | Epoxy compound, preparation method thereof, and use thereof An epoxy compound, represented by a general formula (I) is obtained by reacting an anthrahydroquinone compound having a following general formula (II) with epihalohydrin. (wherein R1-R10 eac... | 12/04/2007 |
| 7282553 | Flexible isopropylidene and tetramethyl-containing fluoropolyamide and fluoropolymide and preparation method thereof Polyamides and polyimides containing flexible isopropylidene, trifluoromethyl and tetramethyl substituents and their synthetic method are disclosed. Polyamide containing flexible isopropylidene, trifluoromethyl and tetramethyl substituents is synthesized by reacting... | 10/16/2007 |
| 6987161 | Epoxy hardeners for low temperature curing Hardeners are provided for curing epoxies at lower temperatures than currently available hardeners while retaining superior mechanical and thermal properties. A first component is selected from imidazole, dicyandiamide, or a mixture of polyamines and tertiary amines... | 01/17/2006 |
| 6962964 | Hydrogenation of methylenedianiline homologs and epoxy resins cured with same This invention relates to improved polyepoxide resins cured with a mixture of methylene bridged poly(cycloaliphatic-aromatic)amines and a process for preparing such polyepoxide resins as well as to the methylene bridged poly(cycloaliphatic-aromatic)amine composition... | 11/08/2005 |
| 6908982 | Amino composition and process for producing the same An object of the present invention is to provide an amino composition which provides, when used as a curing agent for epoxy resin, a long pot life and an excellent appearance of a coating film to an epoxy resin composition without deteriorating the reactivity of the... | 06/21/2005 |
| 6866803 | Mold for use in slip casting method, and method of manufacturing open porous body for use in mold A slip casting mold includes a water absorption layer having self water absorption capability and substantial water resistance. With the water saturation percentage of the water absorption layer being controlled, a slurry layer is deposited in the slip casting mold ... | 03/15/2005 |
| 6809130 | Halogen-free, phosphorus-free flame-retardant advanced epoxy resin and an epoxy composition containing the same A halogen-free, phosphorus-free poly-cyclic compound is used a flame retardant. This compound has amide and hydroxy groups, and thus it is able to react with an epoxy resin to form a reactive type flame-retardant advanced epoxy resin. The advanced epoxy resin togeth... | 10/26/2004 |
| 6770370 | Adhesive composition for semiconductor device and adhesive sheet for semiconductor device using the same An adhesive composition for semiconductor device, comprising 10 to 30% by weight of a reactive elastomer (A), 40 to 65% by weight of an epoxy resin (B) having two or more glycidyl ether groups, a phenol resin (C) and a curing accelerator (D), wherein a ratio of the ... | 08/03/2004 |
| 6759503 | Curing epoxy resin with N-cyanoethylated toluenediamines The invention provides N-cyanoethylated toluenediamines (CNTDAs), processes for synthesizing them, and compositions containing them. In preferred embodiments, the CNTDAs are represented by the following formula: where th... | 07/06/2004 |
| 6753040 | Alkydipropylenetriamines and their adducts as hardeners for epoxy resins A curable composition comprising a) an epoxy resin having on average more than one epoxide group per molecule and b1) an alkyldipropylenetrimine of general formula (I) and/or b2) an adduct of an alkyldipropylenetrimine of general formula (I) with b3) an epoxide comp... | 06/22/2004 |
| 6734263 | Non-polyvinyl chloride, interpenetrating network epoxy/urethane acrylates The present invention provides a polymeric material and a process for making the polymeric material. The polymeric material has adhesive and noise abatement properties over a broad temperature range. Further, the material is chip and corrosion resistant and provides... | 05/11/2004 |
| 6727325 | Composition of epoxy resin and clathrate of tetrakisphenol and epoxy-reactive curing compound The present invention has an object to provide curatives for epoxy resins and curing accelerators for epoxy resins, which both have improved subliming and decomposing properties and which, when mixed with an epoxy resin, enable the mixture to be greatly improved in ... | 04/27/2004 |
| 6670041 | Self-crosslinking water-dilutable binders Water-dilutable binders which are self-crosslinking at room temperature, comprising reaction products ABF with epoxy-amine adducts A and formaldehyde resin formers B selected from phenols B1, (substituted) ureas B2, melamine B3, guanamines B4, and mixture... | 12/30/2003 |
| 6660386 | Flame activated primer for polyolefinic coatings A primer for flame sprayed polyolefin comprises an epoxy resin, preferably of low molecular weight and/or low viscosity; and an amine hardener, part of which becomes highly reactive on exposure to open flame, providing near instant cure of the composition... | 12/09/2003 |
| 6653369 | Water dilutable amine curing agents for aqueous two component epoxy resin systems Water dilutable amine curing agents for aqueous epoxy resin dispersions, comprising a combination of an epoxide-amine adduct with an emulsifier, the epoxide-amine adduct being obtainable by reacting a polyepoxide with a reaction product of an amine and an... | 11/25/2003 |
| 6649729 | Novolaks as water-unaffected accelerators for epoxy resin hardeners Curable mixtures based on epoxy resins and amine hardeners, if required additionally using solvents, water, plasticisers, UV stabilisers, colourants, pigments, fillers, which mixtures contain as accelerator at least one compound of general formula (I), wh... | 11/18/2003 |
| 6583528 | High performance composite flywheel A flywheel system for storing and delivering on demand electrical energy includes a flywheel supported for high speed rotation on bearings in a vacuum enclosure, and a motor-generator for spinning the flywheel up to speed and then for converting the rotat... | 06/24/2003 |
| 6548576 | Epoxy formulation adapted to be used in conjunction with no-lead solder in electronic components A one part, several-months-useful-shelf-life epoxy material suitable for potting and sealing electronic components, and which is compatible with the high, approximately 255° C. to 275° C. temperatures required for soldering modem lead-free solders compr... | 04/15/2003 |
| 6531567 | Mannich bases and further compounds based on alkyldipropylenetriamines The invention relates to Mannich bases prepared using alkyldipropylenetriamines and to addition compounds (adducts) of alkyldipropylenetriamines with acrylonitrile and ethylene oxide or propylene oxide, and to products obtained therefrom by the further ... | 03/11/2003 |
| 6525160 | Epoxy resin composition and process for producing silane-modified epoxy resin The present invention provides an epoxy resin composition which comprises an alkoxy-containing silane-modified epoxy resin (A) which is obtainable by dealcoholization condensation reaction between a bisphenol epoxy resin (1) and hydrolyzable alkoxysilane ... | 02/25/2003 |
| 6492437 | Solvent-based process for manufacturing latent curing catalysts Solvent-based processes for producing latent curing catalysts without causing an extreme exotherm. The process of the present invention includes combining an amine compound curing agent with a solvent, heating the mixture, adding an epoxy/solvent mixture ... | 12/10/2002 |
| 6482899 | Curable resin composition A latent curing agent is disclosed for epoxy resin, comprising a reaction product obtainable by allowing (A) an epoxy compound having more than one epoxy groups on the average in the molecule and (B) a compound having in the molecule both a tertiary amino... | 11/19/2002 |
| 6476160 | One-pack composition of epoxy resin(s) with no oh groups and ketimine A composition comprising an epoxy resin and a ketimine compound, wherein the epoxy resin is either (1) an epoxy resin having a content of an epoxy resin having no hydroxyl group in the molecule in a range of more than 90 mol % to 100 mol % or less, (2) an... | 11/05/2002 |
| 6465598 | Urethane resins Amine-terminated urethane oligomer compositions are described that include very high oligomer concentrations. The compositions are melts of the amine-terminated oligomers. The compositions can include one or more property modifiers. The compositions are u... | 10/15/2002 |
| 6451931 | Reaction product of primary and tertiary amine-containing compound, dihydrazide an polyisocyanate A curing agent composition for an epoxy resin which comprises (B) a reaction product obtained from (a) an amine compound represented by formula (I): ##STR1## wherein R1 and R2 each represent an alkyl group having 1 to 8 carbon a... | 09/17/2002 |
| 6388163 | Method for chemically inactivating energetic materials and forming a nondetonable product therefrom A method for rendering nondetonble energetic materials, such as are contained in or removed from decommissioned ordnance. The energetic materials are either combined with epoxy hardener or are combined with other compounds, preferably amine compounds, to ... | 05/14/2002 |
| 6365708 | Polyamines and coating compositions with enhanced resistance to yellowing This invention relates to novel polyamines which are the reaction product of A) at least one nonaromatic diamine containing from 2 to 40 carbon atoms, wherein the amine groups are primary amine groups; and B) at least one epihalohydrin of the formula ##ST... | 04/02/2002 |
| 6362359 | One-component thermoset coating compositions The present invention relates to compounds containing modified hydrazide groups and corresponding to formula I ##STR1## wherein R represents the residue obtained by removing the isocyanate groups from a monomeric polyisocyanate, a polyisocyanate adduct or... | 03/26/2002 |
| 6350843 | Epoxy resin low electronic impedance high molecular polymer Conductive thermosetting epoxy resins are produced by mixing a metallic salt or oxide with an inorganic acid to form a metallic ion solution. An alcohol is added to effect a secondary dehydration and form a complex ion polymer with double bonds and p elec... | 02/26/2002 |
| 6329473 | Amine-modified epoxy resin composition Epoxy resin compositions comprising polyepoxides having at least two 1,2-epoxide groups, which can be obtained by reaction of diepoxides or polyepoxides or mixtures thereof with monoepoxides, and one or more amines sterically hindered amines, such as dise... | 12/11/2001 |
| 6207733 | Capped amines as hardeners for monocomponent (1c) epoxy resin systems which can be diluted with water Capped amine hardeners for epoxy resins, which are reaction products of amines A having at least two primary amino groups, cyclic alkylene carbonates B, aliphatic carbonyl compounds C and compounds D having at least two groups which react with hydroxyl gr... | 03/27/2001 |
| 6136943 | Multi-branched compounds and curable composition A multi-branched compound which can give a compound having a relatively high molecular weight but a low viscosity and having excellent coating performances, and can give a solvent-less composition having sufficient coating performances and having a low vi... | 10/24/2000 |
| 6111050 | Flourine-containing curable compositions A fluorine-containing curable composition comprises (A) a linear perfluoro compound having at least two secondary amino groups per molecule and a divalent perfluoroalkylene or divalent perfluoropolyether structure in the main chain, and (B) a crosslinkabl... | 08/29/2000 |
| 6077929 | Internally blocked polyamine crosslinkers and coating compositions containing the same The present invention pertains to coating compositions including a particular class of internally blocked polyamines as replacement for traditional blocked and unblocked polyamine crosslinkers. The use of these internally blocked polyamines results in bet... | 06/20/2000 |
| 6008313 | Polyamide curing agents based on mixtures of polyethyleneamines and piperazine derivatives Compositions of amine terminated polyamide resins useful for curing epoxy resins are disclosed comprising combinations of fatty mono-acids, dimer acids, polyethyleneamines, and piperazine ring containing polyamines having an N--H functionality of 2 or 3 p... | 12/28/1999 |
| 6008314 | Aminourethane hardeners, epoxide-based coating media and the use thereof Aminourethane hardeners, suitable for aqueous epoxide-based coating media, otainable by the reaction of A) aminourethanes which are obtainable by the reaction of a) compounds comprising at least one cyclic carbonate group, and b) amines comprising at least one prim... | 12/28/1999 |
| 5906864 | Aqueous coating composition and its use to produce filler coats Aqueous coating composition, containing I) one or more amine hardeners, II) one or more water-dilutable epoxy resins, III) one or more pigments and/or fillers and IV) water and optionally one or more solvents and/or conventional lacquer additives, wherein the compo... | 05/25/1999 |
| 5902643 | Multilayer packaging material having aminoepoxy gas barrier coating Disclosed is a multilayer packaging material which is suitable for use as a container for malt beverages and which is tinted so as to block at least 90% of light with wavelengths of electromagnetic radiation ranging from 300 nm to 500 nm. The tinted multi... | 05/11/1999 |