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7632914 |
Biobeneficial polyamide/polyethylene glycol polymers for use with drug eluting stents
Provided herein is a coating comprising a polymer. The polymer comprises at least two different blocks, at least one L1 block with the formula
and at least one L2 block with the formula
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7588699 |
Electrically conductive, optically transparent polymer/carbon nanotube composites and process for preparation thereof
The present invention is directed to the effective dispersion of carbon nanotubes (CNTs) into polymer matrices. The nanocomposites are prepared using polymer matrices and exhibit a unique...
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7572878 |
Polycyclic polyimides and compositions and methods relating thereto
The present invention is directed to the use polycyclic diamines. These diamines, when polymerized with dianhydrides, and optionally other non-polycyclic diamines are used to form new polyamic...
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7550553 |
Fluorinated diamine and polymer made from the same
A fluorine-containing diamine represented by the formula (1), [Chemical Formula 29]
is provided. Furthermore, a fluorine-containing polymer is provided by using this fluorine-containing amine...
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7544746 |
Hyperbranched polymers
A process for preparing a hyperbranched polymer having a weight-average molar mass of at least 30,000, includes coupling a first prepolymer having at least three functional end groups with a second...
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7541404 |
Water-borne resin composition and electrocoating composition
It is an object of the present invention to provide a water-borne resin composition which can form a film being excellent in flexibility and heat resistance without reducing an insulating property...
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7504475 |
Process for a two stage melt polymerization for the production of polybenzimidazole
A process is presented for the production of high molecular weight polybenzimidazole, in two steps. Step one: provide a first reaction vessel and charge it with at least one aromatic hydrocarbon...
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7465782 |
Method for making polybenzobisoxazole containing fiber
A method of making polybenzobisoxazole containing fiber by use of a non-polybenzobisoxazole polymer, hydroxylating the polymer, forming the polymer into a fiber and heating the fiber wherein ring...
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7465781 |
Method for making polybenzobisoxazole containing polymer
A method of making polybenzobisoxazole containing polymer by use of a non-polybenzobisoxazole polymer, hydroxylating the polymer, forming a solidified polymer and heating the solidified polymer...
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7435788 |
Biobeneficial polyamide/polyethylene glycol polymers for use with drug eluting stents
This disclosure covers polymers, some of which are useful in medical device applications. The polymers comprise at least two different blocks, at least one L1 block with the formula
and at...
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7416822 |
Resin and resin composition
Disclosed is a hydroxy polyamide represented by the following general formula (1) and having a 5-amino isophthalic acid derivative structure in the main chain structure. (1) (In the formula, m and...
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7408018 |
Elastomeric functional biodegradable copolyester amides and copolyester urethanes
The invention provides elastomeric copolyester amides, elastomeric copolyester urethanes, and methods for making the same. The polymers are based on α-amino acids and possess physical, chemical...
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7396898 |
Diamine, acid dianhydride, and reactive group containing polyimide composition prepared therefrom and process of preparing them
The present invention relates to a novel diamine, a novel acid dianhydride, and a novel composition containing a polyimide produced from such diamine and acid dianhydride. Specifically, the present...
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7388048 |
Flexible semiaromatic polyamides with a low moisture uptake
The present invention relates to a flexible semiaromatic polyamide composition with a low moisture uptake comprising, by weight, the total being 100:
60 to 99.5% (preferably 70 to 93%) of at...
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7381788 |
Method for continuous production of polyamide
Provided is a continuous production method of a polyamide with stabilized polymerization degree and good quality, particularly an aromatic-containing polyamide. A continuous production method of a...
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7314906 |
High molecular weight stereoregular head-tail poly(glucaramides)
A method of producing high molecular weight stereoregular head, tail-poly(alkylene D-glucaramides) is described. Amidoamino acids are esterified in cold alcohol and then polymerized in a protic...
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7309757 |
Polymers for the delivery of bioactive agents and methods of their preparation
Provided is a poly(amino ester) having a polymer backbone comprising at least one secondary amine linkage and at least one tertiary amine linkage in the polymer backbone. Poly(amino ester)s are...
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7297756 |
Melt-adhesives for sealing off rocks or building materials
Polyamide hot-melt adhesives based on the reaction products of polymeric fatty acids, C 14 -C 18 monocarboxylic acids, C 6 -C 12 dicarboxylic acids and diamines which do not contain any...
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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...
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7276572 |
Process for preparing aspartates
The present invention relates to novel aspartates, their method of production and the use of these mono and polyaspartates as reactive components for polyisocyanates in two-component polyurethane...
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7264706 |
Cathodic electrocoating compositions containing an anti-crater agent
An improved aqueous cathodic electrocoating composition that contains an anti-crater agent which is a water-reducible polyester resin having an acid value less than 40 mg KOH/g. The water-reducible...
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7244485 |
Imageable seamed belts having polyamide adhesive between interlocking seaming members
A seamed flexible belt having a substrate and a seam having interlocking seam members, wherein the interlocking seam members are held together by an adhesive having polyamide and an optional...
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7220816 |
Biologically absorbable coatings for implantable devices based on poly(ester amides) and methods for fabricating the same
Coatings for an implantable medical devices such as stents and methods of fabricating thereof are disclosed. The coatings comprise a biologically absorbable poly(ester amide), which is a polymeric...
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7193030 |
Acid anhydride and polyimide using the same
An acid anhydride of the formula (4), and a polyimide using the acid anhydride,
wherein anhydrides are substituted at sites 3 or sites 4, which acid anhydride is obtained from, as a raw...
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7160978 |
Aromatic amide polymer systems and methods for making the same
A method of making amide polymers with improved back-bone rigidity, stability and/or planarity through the promotion of intra-molecular interactions is disclosed. Amide polymers, in accordance with...
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7138482 |
Production method of polyamide
In the production method of polyamide of the present invention, the mole balance at a set point during melt polymerization is estimated from a pre-established equation for calculating the mole...
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7122618 |
Quaternary polyamidoamines, the production thereof, corresponding agents and the use thereof
The present invention relates to quaternized polyamidoamines which have at least one structural unit of the formula VII
in which R 1 , R 2 , R 4 are straight-chain or branched organic...
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7115703 |
Compositions for golf equipment
Golf balls comprising thermoplastic, thermoset, castable, or millable compositions are presently disclosed. These compositions comprise reaction products of polyacids and polyamines. The polyacid...
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7105628 |
Compositions for golf equipment
Golf balls comprising thermoplastic, thermoset, castable, or millable elastomer compositions are presently disclosed. These elastomer compositions comprise reaction products of polyisocyanates and...
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7101652 |
Photosensitive resin compositions
New photosensitive PBO precursor polymers which contain diazoquinone moieties attached to its backbone and in which all amino end groups are converted into amide groups. The photosensitive...
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7091306 |
Process for preparing polyalkenylsuccinimides
The present invention relates to an improved process for preparing polyalkenylsuccinimides having a sediment level less than 0.1 vol % comprising the steps of:
(a) preparing a polyalkenyl...
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7060782 |
Process 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,...
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7060783 |
Diamine compound polymer having condensed aromatic group
The present invention provides a diamine compound polymer and a method for producing the diamine compound polymer. The diamine compound polymer of the present invention has a condensed aromatic...
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7057008 |
Packaging and containers made of water-soluble polyamides and processes for their manufacture
Packaging materials made from water-soluble nylons are disclosed, that readily contain materials such as caustic chemicals and upon exposure to water dissolve to provide for the release of the...
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7053172 |
Fuel-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...
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7053169 |
Polyamide molding compounds for producing optical lenses
The invention relates to new thermoplastically processible transparent polyamide molding materials based on copolyamides containing diamines and dicarboxylic acids with aromatic cores which exhibit...
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7053171 |
Production method of polyamide
In the production method of the present invention, the polyamide is produced by the polycondensation of a diamine component and a dicarboxylic acid component comprising a straight-chain...
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7045241 |
Proton 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...
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7038007 |
Process 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...
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7038006 |
Polyamide and resin composition
A polyamide obtained by polycondensation of a diamine component containing at least 50 mol % of 2-methyl-1, 5-pentanediamine and a dicarboxylic acid component containing at least 50 mol % of...
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7037527 |
Bifunctionalized polyester material for surface treatment and biomodification
The invention features a method of treating polyester material to generate functional carboxylic acid and amine groups. These functional groups can be used as sites for covalent bond formation to...
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7026435 |
Water-dispersible, hydrophobic polyalkyleneimine polyamide fiberglass lubricant, process for producing the same, and method of use therefor
Polymer derivatives based upon polyalkyleneimine backbones having from about 20% to about 60% of their reactive amino functionalities substituted by C 14-20 carboxylic acids, are disclosed. Fiber...
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7011930 |
Method for control of temperature-sensitivity of polymers in solution
Temperature sensitive, water soluble polymers are disclosed, together with a method for control the LCST of the polymer. The polymers include hydrophillic components and hydrophobic components...
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7009030 |
High-melting wax useful for sintering metals
A wax containing the reaction product of: (a) a C 6 –C 12 linear dicarboxylic acid; and (b) a diamine of formula H 2 N(CH 2 ) n NH 2 , wherein n is an integer from 2 to 6, and the molar ratio of...
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7009029 |
Polyamide composition
Provided is a polyamide composition comprising 100 parts by weight of (A) a polyamide having dicarboxylic acid units containing 60 to 100 mol % of terephthalic acid units, and diamine units...
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7009028 |
Continuous process for the production of polyamides
In a two-step precondensate process for preparing polyamides diamines are reacted with dicarboxylic acid dihalides in a polar, non-basic, inert organic liquid medium under conditions such that a...
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6995233 |
Process for manufacturing polyamides
The invention relates to a continuous process for manufacturing polyamides. The polyamides are of the type obtained from diacids and diamines. The process comprises an operation of continuous...
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6989106 |
Process for the preparation of polymeric condensates and their use
A process for the preparation of polymeric condensates, wherein the reaction mixture is fed at least once during the condensation reaction through a zone of high energy density which has an energy...
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6979492 |
Thermoplastic elastomer comprising poly(trimethylene-ethylene ether) soft segment and polyamide hard segment
A poly(trimethylene-ethylene ether) amide comprises a soft segment from poly(trimethylene-ethylene ether) glycol and a polyamide hard segment, preferably joined by ester linkages. The...
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6958381 |
Polyamide
A process for preparing polyamides comprises polymerizing starting monomers in the presence of from 2.3 to 10 mmol, based on 1 mol of carboxamide group of the polyamide, of a chain regulator...
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