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8153111 |
Photo-triggered release of active substances from dendrimer-photosensitizer complexes
Compositions of dendrimer-photosensitizer complexes including therapeutic molecules, and methods for their synthesis and use are disclosed. The therapeutic molecules and the photosensitizers are...
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8022170 |
Copolyamides
The invention relates to semi crystalline, melt processible, partially aromatic copolyamides, producible by condensation of at least the following monomers or the precondensates thereof: a)...
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7964698 |
Wholly aromatic liquid crystalline polyetherimide (LC-PEI) resins
The benefits of liquid crystal polymers and polyetherimides are combined in an all-aromatic thermoplastic liquid crystalline polyetherimide. Because of the unique molecular structure, all-aromatic...
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7791067 |
Electronic device and manufacturing method thereof
An object of the invention is to provide an electronic device which can be easily manufactured using a wet method. One of electronic devices according to the invention has a first layer and a...
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7737227 |
Composition for an organic hard mask and method for forming a pattern on a semiconductor device using the same
A composition for the organic hard mask includes a polyamic acid compound, and a method for forming a pattern is used in a manufacturing process of semiconductor devices by coating the composition...
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7655736 |
Polyamide curative from substituted amine mixture and dimer fatty acid or ester
The present invention provides polyamide curing agent compositions comprising the reaction products of (1) multifunctional amines of structure 1 where R1 is CH2CH2CH2NH2; R2, R3 and R4...
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7358312 |
Epoxy resin curing agent of epoxy resin-liquid amine adduct and polyamidoamine
This invention describes epoxy-amine compositions that have low mix viscosity and a fast drying property at temperatures below freezing. The composition is useful for high solids coating...
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7211632 |
Perdeuterated polyiimides, their process of preparation and their use as materials which are transparent within the region from 2500 to 3500cm-1
The present invention relates to a deuterated polyimide, the backbone of which comprises an alternation between: at least one repeat unit corresponding to the following formula (I): in which: Y...
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6162877 |
Hydrophobically modified comb copolymers
A comb copolymer comprising a backbone comprising (a) hydrophilic units, (b) residues of dihalogeno compound remaining after the halogen atoms have been removed and (c) moiety containing pendant...
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6136944 |
Adhesive of epoxy resin, amine-terminated polyamide and polyamine
The present invention relates to a flexible industrial adhesive composition which effectively bonds thermoplastic polymer substrates and substrates having low stiffness such as fabric, rubbers and...
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6127508 |
Epoxy resin and amine-terminated polyamide from aminoalkylpiperazine
An epoxy resin composition containing a) an epoxy resin and b) a liquid amine terminated polyamine curing agent prepared by condensing an aminoalkylpiperazine and a dicarboxylic acid. The epoxy...
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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...
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5998570 |
Ester-terminated polyamides of polymerized fatty acids useful in formulating transparent gels in low polarity liquids
A low molecular weight, ester-terminated polyamide may be blended with a liquid hydrocarbon to form a transparent composition having gel consistency. The ester-terminated polyamide is prepared by...
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5948881 |
Polyamide curing agents based on mixtures of polyethylene-amines, piperazines and deaminated bis-(p-aminocyclohexyl) methane
Curative compositions of amine terminated polyamide resins blended with a deaminated bis-(p-aminocyclohexyl)methane composition (DeAms) are useful for curing adhesive epoxy resin compositions. The...
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5932686 |
Adhesion promoter for a polyamid-compounds
This invention relates to adhesion agents and compatibility agents, respectively, on the basis of partially crystalline, high-molecular block (co)polyester amides, produced by direct esterification...
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5719255 |
Polyamide based on dimer fatty acid
A composition of matter useful as a hotmelt adhesive is provided. The adhesive comprises a polyamide based on dimerized fatty acid, preferably having an amine value of less than 2, and at least one...
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5688905 |
Primary-tertiary diamines mixed with polyamines as epoxy resin hardeners
An amine hardener composition for curing epoxy resin based coatings and related products comprising (A) from 5 to 75% of a diamine which possesses a vapor pressure less than about 133 Pascals at...
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5672677 |
Long open time polyamide compositions
A polyamide hot melt adhesive is provided. It comprises the polyamide condensation product of substantially equivalent quantities of (a) an acid component consisting essentially of one or more...
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5612448 |
Curable adhesive compositions containing polyamide resins
Hot melt adhesive compositions containing amine and acid terminated polyamide resins, optionally curable when combined with epoxy resins, wherein the amine component of the polyamide resin contains...
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5591793 |
Thixotropic alkyd resins and the use thereof in coating compositions
Novel thixotropic alkyd resins are obtained by reacting at a temperature of between about 120° C. to about 150° C. for at least one hour (a) at least one alkyd resin and (b) a polyamide c...
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5457165 |
Encapsulant of amine-cured epoxy resin blends
Encapsulant compositions which provide both dry heat and humid heat stability comprise:(a) a first liquid epoxy resin comprising either: (1) the diglycidyl ether of polyoxypropylene glycol; or (2)...
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5455309 |
Methods of making and using thermoplastic block copolymers
Methods of producing thermoplastic poly(amide-urethane) block copolymers having excellent flexibility at low temperatures are provided. The methods comprise reacting substantially linear...
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5424371 |
Adhesive of amine-terminated, piperazine-containing polyamide and epoxy resin
A thermoset adhesive composition comprising a thermoplastic, substantially amine terminated piperazine-containing and/or polyetherdiamine-containing polyamide resin, and further comprising an epoxy...
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5385986 |
Adhesive of amine-terminated polyamide and epoxy resin
A hot-melt adhesive composition is prepared from (1) a thermoplastic amine-terminated piperazine containing polyamide resin derived from (a) a polymerized fatty acid, (b) an aliphatic polyamine,...
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5354838 |
Blood separation composition
A blood separation composition for use in blood collection tubes. The composition comprises, as a gel-like material that is the main ingredient or the composition, a copolymer of sebacic acid with...
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5296557 |
Two-component curable hot melt compositions
This invention relates to two-component curable hot-melt compositions comprising thermoplastic polyamide resins that are substantially free of piperazine-containing polyamines. In one preferred...
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5296556 |
Three-component curable resin compositions
An improved thermoset adhesive composition comprising a thermoplastic, substantially amine-terminated polyamide resin, an epoxy resin, and a diluent, and methods for the preparation thereof.
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5288799 |
Thermoplastic molding compositions which are mixtures of amorphous and semi-crystalline polyamides, a method of preparation thereof and products made therefrom
Thermoplastic molding compositions including a semicrystalline polyamide a) and an amorphous copolyamide b), the latter containing dimerized fatty acid as one monomer building block. Optionally, a...
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5270401 |
Plastics composition based on a thermoplastic blend of a polyamide and a polyester
Disclosed is a plastics composition comprising a thermoplastic blend comprising: (1) 5-95 wt % of a polyamide (PA) and 95-5 wt % of a polyester (PE) incorporating 1-50 wt % of an aliphatic dimer...
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5248550 |
Encapsulation of thermoplastic particles for production of composites
Gel coating of thermoplastic particles, such as polyimide particles, with a polyketone or polyvinyl alcohol gel, and applying the gel coated particles to reinforcement, e.g. carbon, fibers to form...
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5155177 |
Three component aminoamide acrylate resin compositions
This invention provides acrylate-modified polyamide resins comprising the Michael addition product of a mixture of a thermoplastic polyamide and reactive diluent with a polyol ester having a...
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5130351 |
Epoxy-amine coatings with tricarboxylic acid thixotropic additive
Curable epoxy-amine coatings comprised of pigmented mixtures of reactive amine-functional curing agents and epoxy resins are substantially improved by being rendered thixotropic or pseudoplastic by...
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5124412 |
Block copolymer from carboxy terminated polyamide and polyol
A carboxy acid-terminated polyamide is reacted with an alkylene glycol, a polyalkylene glycol, nitrogen base or an alkanol amine (followed by an alkanoic acid) to provide a block copolymer. These...
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5055530 |
Epoxy resin-modified polyamide resin
The present invention discloses a curable coating composition characterized in that the composition comprises as a vehicle component a nitrogen-containing resin modified with an epoxy resin and...
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5019638 |
Rapidly setting, moisture-curable hot melt adhesives and their use
Hot melt adhesives with particularly high setting rates are obtained from the reaction products of polyisocyanates and hybroxypolyesters, the hydroxypolyester preferably being strictly aliphatic...
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5017676 |
Acetoacetoxyethyl methacrylate in the cure of epoxy resins
A method for curing a 1,2-epoxy resin by mixing the resin with an effective amount of an amine curing agent under epoxy resin curing conditions and accelerating the cure with acetoacetoxyethyl...
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5011893 |
Method for producing a block copolyamide
A method for producing a block copolyamide, which comprises polycondensing a prepolymer prepared from a dimerized fatty acid and a diamine and having a number average molecular weight of from 1,000...
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4987160 |
Radiation-curable aminoamide acrylate polymer
A radiation-curable resin useful as a hot melt adhesive is made by the Michael addition of the amino functional groups of an aminoamide thermoplastic polymer with a portion of the acrylate groups...
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4985508 |
Process for the production of polyester-polyamide block polymers
A process for the production of polyester-polyamide block polymers by precondensing a polyamide-forming starting mixture until a relative viscosity of at least 1.2 is attained, and adding a...
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4977213 |
Moulding compositions comprised of semirigid, fatty acid copolyamides, elastomers and optionally conventional polyamides
Polyamide-based molding compositions having enhanced flexibility and resilience, especially at low temperatures, are prepared from (1) semirigid copolyamides prepared from fatty acid dimers, (2)...
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4975498 |
Thermally-curable aminoamide acrylate polymer
A thermally-curable acrylate-modified aminoamide resin is the Michael addition product of an aminoamide thermoplastic polymer with a polyol ester having multiple acrylate groups, to which is added...
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4966945 |
Coating method using aqueous glycidyl compound-amine hardner-thermoplastic resin compositions
A method for coating or printing a substrate by applying thereto a coating or printing ink vehicle which is a solution of a curable mixture of synthetic resins, evaporating a solvent therefrom a...
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4957979 |
Method of making and using thermoplastic block copolymers
Methods of producing thermoplastic poly(amide-urethane) block copolymers having excellent flexibility at low temperatures are provided. The methods comprise reacting substantially linear...
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4956423 |
Hot-melt adhesives
Improved hot melt adhesives comprise a blend of a polyamide and a polyetheramide. The polyamides have the following general structure ##STR1## wherein A is a linear, branched or cyclic aliphatic...
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4914162 |
Adhesive composition comprising thermoplastic polyamide from dimer acid and N-substituted aliphatic diamine
Thermoplastic polyamide mixtures of polyamides based on dimerized fatty acids in which at least one polyamide contains as an incorporated unit (a) a C2 -C10 aliphatic diamine capable of diamide...
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4873311 |
Water dispersible polyamide ester
The present invention comprises a water dispersible polyamide ester useful in flexographic ink formulations and Cold Seal Release Lacquers. A high AV polyamide is reacted with a polyol to increase...
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4870139 |
Polyamide/acrylic graft copolymers
A water-dispersible graft copolymer of a polyamide and at least one acrylic monomer is prepared by reacting the polyamide with the acrylic monomer(s) in an alcohol solution in the presence of a...
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4814233 |
Material coated with polyamic acid ester
A material to which there is applied a polyamic acid ester obtained from aromatic tri-or tetracarboxylic acids which contain benzophenone groups and organic diamines is suitable for producing...
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4810772 |
Adhesive composition comprising polyamide from dimer acid and N-alkyl diamine
Thermoplastic polyamide mixtures of polyamides based on dimerized fatty acids in which at least one polyamide contains as an incorporated unit (a) a C2 -C10 aliphatic diamine capable of diamide...
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4810747 |
Water dispersible polyamide blend
The present invention comprises a blend of two polyamide resins (first and second). The first resin comprises dibasic derivatives of fatty acids, monobasic acid and organic polyamines. The second...
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