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7342077 |
Acrylic composition and a method of forming the same via free-radical polymerization
An acrylic composition, or star acrylic polymer, includes the reaction product of an initiator, a first compound, and a highly-branched, polyfunctional core molecule. The initiator has a...
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7321008 |
Bioabsorbable branched polymers end-capped with diketene acetals
Star polymers of soft segment forming monomers are useful in forming surgical devices. The star polymers can be endcapped with diketene acetals, mixed with a filler and/or cross-linked. The polymer...
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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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7250483 |
Inhibition of catalytically active impurities in polycarbonate by the melt transesterification process
An improvement to the melt transesterification process for the preparation of polycarbonate is disclosed. The improvement entails adding to the process between its medium viscosity reactor and a...
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7164037 |
Enzymatic production of (meth)acrylic esters that contain urethane groups
Enzymatic preparation of (meth)acrylic esters containing urethane groups, and their use in radiation-curable compositions.
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7163997 |
Polyether derivative and process for producing the same
The present invention relates to a polyether derivative represented by the following general formula (I):
wherein X 1 represents —CO— or —SO 2 —; Ar 1 represents unsubstituted...
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7138479 |
Aliphatic diol polycarbonates and their preparation
The disclosure provides high quality, low yellowness index copolycarbonates comprising structural units derived from at least one aliphatic diol, at least an aromatic dihydroxy compound and a...
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7138478 |
Process for mixing polymer melts with additives
A continuous process for mixing polymer melts with additives, in particular polycarbonate melts with additives in liquid form, in solution or in dispersion is described. The additives are added to...
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7115706 |
Polyether polymers and compositions derived therefrom
Polyether polymers providing a backbone substituted at intervals with electron stabilizing groups containing electron withdrawing groups are described. The polymers capture electrons and are...
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7098274 |
Compositions for golf equipment
A golf ball comprising at least one thermoplastic, thermoset, castable, or millable material formed from a composition comprising at least one telechelic polycarbonate copolymer formed from at...
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7057009 |
Light-emitting organic oligomer compositions
Photonic materials include light-emitting organic oligomer compositions that include at least one light-emitting oligomer. The oligomer compositions include oligofluorenes having chiral and/or...
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7005495 |
Polycarbonate diol having high proportion of primary terminal OH
Disclosed is a polycarbonate diol having diol monomer units and carbonate monomer units, wherein the amount of at least one diol monomer unit selected from the group consisting of a 1,5-pentanediol...
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6979719 |
Coating 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...
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6977290 |
Process for preparing oligomeric aliphatic diols, polycarbonatediols based thereon and prepolymers thereof
The present invention relates to a method for preparing oligomeric aliphatic diols, polycarbonatediols based thereon and NCO-terminated prepolymers obtainable therefrom. The inventive compounds may...
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6872797 |
Copolycarbonate diol and thermoplastic polyurethane obtained therefrom
A copolycarbonate diol comprising:
(a) recurring units each represented by the following formula (1):
(b) recurring units each independently represented by the following formula (2):
...
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6812265 |
Liquid composition polymerizable into organic glasses having good optical and physico-mechanical properties
Liquid composition which can be polymerized into organic glasses, by means of radical polymerization with low shrinkage, comprising the product obtained from the trans-esterification of a...
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6777528 |
Process for producing polycarbonate resin
A process for producing a polycarbonate resin which comprises performing melt polycondensation of pentacyclopentadecanedimethanol or pentacyclopentadecanedimethanol and diol with carbonic acid...
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6767959 |
Adhesives with good mechanical properties, suitable for use with antennas
A filler containing adhesive is described that also in the presence of large amounts of conductive fillers such as low or non-oxidized carbon black shows good antenna impedance. Said adhesive is...
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6740728 |
Methods for the preparation of polyesters, poly(ester amide)s and poly(ester imide)s and uses of the materials obtained therefrom
The present invention relates to methods for the preparation of polyesters, poly(ester amide)s and poly(ester imide)s. The materials obtained by the methods of present invention are useful as fluid...
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6740633 |
Polyelectrolyte complexes and a method for production thereof
Polyelectrolyte complexes of cationic and anionic polymers which consist of (a) cationic condensates of (i) at least one amine and (ii) a crosslinking agent from the group consisting of...
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6730772 |
Degradable polymers from derivatized ring-opened epoxides
A polymer of a ring-opened functionalized epoxide is formed by the polymerization of a functionalized epoxide monomer having the structure E-CHR-G wherein E represents an epoxide group, R is...
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6716311 |
Modified cationic polymers, their preparation and their use in papermaking
The invention relates to modified cationic polymers which can be obtained by reacting (a) water-soluble, polymeric compounds containing NH groups with (b) compounds which are at least bifunctional...
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6605356 |
Metal surface treatment agent, and metal material coated with same
A metal surface treatment agent containing the following components (A) to (D), which securely adheres to a metal substrate such as aluminum, exhibits excellent corrosion preventive properties,...
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6586154 |
Photoresist polymers and photoresist compositions containing the same
The present invention discloses a photoresist polymer of following formula 1, and a photoresist composition comprising the same: where AC1, AC2, x and y are those defined herein. The photoresist...
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6540944 |
Current limiting device with conductive composite material and method of manufacturing the conductive composite material and the current limiting device
A current limiting device comprises at least two electrodes; an electrically conducting composite material between the electrodes; interfaces between the electrodes and electrically conducting...
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6531566 |
Polyoxyalkylenepolyols and process for producing ring-opened polymer
A polyoxyalkylene polyol or monool (I) of the general formula (1) below, in which not less than 40% of the terminally located hydroxyl-containing groups, namely —AO—H groups, are primary...
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6495653 |
Curable composition and cured article thereof
It is an object of the present invention to provide a curable composition retaining curability even at a low temperature of −20 to 5° C. and having a low viscosity at such low temperature, the...
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6495637 |
Water-compatible urethane-containing amine hardener
A formulation to produce urethane linkages reacts cyclocarbonate groups with diamines. Aliphatic polyhydroxyl precursor molecules are first epoxidized. The invention does not require complete...
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6476184 |
Aromatic poly(1,3,4-heterodiazoles) for use in optical devices, especially electroluminescent components
Aromatic poly(1,3,4-heterodiazoles) include from 100 to 1,000 repeating units selected from the group consisting of in which R 1 , R 2 , R 3 and R 4 may be identical or different and are each...
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6465603 |
Electrically conductive inorganic polymer
Provided is an electrically conductive inorganic polymer containing at least one alkali metal or alkaline earth metal and at least one of the metals selected from the IV th to XI th subgroup and...
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6414103 |
Coating powders comprising macrocyclic oligomers
A coating powder comprising a macrocyclic oligomer and a ring-opening polymerization agent is applied to an article, fused, and converted to a linear polymer at a temperature of from about 160 to...
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6300424 |
Hyperbranched polyesters and polyamides
Hyperbranched polyester and polyamide polymers are prepared by a one-step process of polymerizing a monomer of the formula A--R--B 2 so that high molecular weight globular polymers having a...
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6281310 |
Methacrylated or acrylated cyanoacetates and the adhesives and polymers thereof
A methyacryloyl or acryloyl derivative of an ester of cyanoacetic acid may be of the formula: CN--CH 2 --COOR 2 OCOCR 1 CH 2 . R 1 may be H or CH 3 , and R 2 may be one of the group of...
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6273995 |
Paper bulking promoter, highly bulky pulp sheet, and process for producing the pulp sheet
A paper bulking promoter containing a compound represented by the following formula (1) with which a highly bulky sheet can be obtained without impairing paper strength: RO(EO) m (PO) n H (1)...
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6262127 |
Polymeric matrices and their uses in pharmaceutical compositions
This invention provides pharmaceutical compositions comprising polymeric matrices, especially those comprising IL-6 as an active ingredient. Specific novel poly(ethylene carbomate) polymers are...
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6228979 |
Cyclic carbonates and their reactions with amines
Six-membered cyclic carbonates (2-oxo-1,3-ioxanes) in which keto or carbohydrocarbyloxy groups are bound to the 5 position of the ring are disclosed. They react surprising quickly with primary or...
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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...
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6193850 |
Method for direct measurement of polycarbonate compositions by fluorescence
The present invention provides a method for directly determining the concentration of a target species, such as Fries product, in a composition comprising aromatic carbonate chain units. In an...
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6156429 |
Monomers with dilactone cycle, and corresponding polymers
The invention concerns monomers with dilactonic cycle and the corresponding polymers, their preparation, and materials containing these polymers. The monomers are of formula (IIIa) ##STR1## in...
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6147183 |
Amphoteric amine based polymers having a net cationic charge and process for their production
Amphoteric amine based polymers having a net cationic charge, wherein the polymers are obtained by reacting (a) at least one amine with (b) at least one crosslinking agent, in a molar ratio of...
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6114490 |
Polymers comprising olig-p-phenylene units, a process for their preparation and their use
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6100372 |
Monocarboxylic acid-terminated polymers of carbon dioxide and an alkylene oxide
A polymer composition, which is useful as a surfactant, formed by the reaction of an alkylene oxide (such as ethylene oxide), carbon dioxide, and a monocarboxylic acid chain terminator, such as one...
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6090910 |
Degradable monofilament and preparation process thereof
A degradable copolymer filament comprising an internal structure having the following separate phases: (a) a matrix phase comprised as a primary component of a polymer segment which exhibits a...
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6022095 |
Curable compositions
Disclosed is an improved composition comprising a photopatternable polymer containing at least some monomer repeat units with photosensitivity-imparting substituents, said photopatternable polymer...
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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...
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5948878 |
Cationic polymers for nucleic acid transfection and bioactive agent delivery
A class of polycationic polymers comprising products obtained by the copolymerization of a diprimary amine and a suitable comonomer, wherein the diprimary amine contains at least two primary amines...
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5945464 |
Ultraviolet-curable, resin-forming thiol-ene compositions
The ultraviolet-curable, resin-forming composition which comprises a polycarbonic acid ester such as diethylene glycol bis(allyl carbonate), a polythiol such as pentaerythritol...
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5910548 |
Process for producing modified epoxy resin, modified epoxy resin produced, and epoxy resin composition thereof
The process for producing a modified epoxy resin comprises reacting (a) an epoxy resin having at least two epoxy groups per one molecule, and (b) a specific active ester group-containing compound...
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5853611 |
Polyether polymer, preparation process and use thereof
The present invention relates to a polyether polymer having structural units represented by general formula (1), wherein R 1 and R 2 mean individually an alkyl group of 1-20 carbon atoms, which...
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5849860 |
Polyethylene-protein conjugates
The present invention is a physiologically active, substantially non-immunogenic water soluble polyethylene glycol protein conjugate having the same utility as the protein which forms the...
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