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6815528 |
Organic electrochromic materials for optical attenuation in the near infrared region
The invention provides generally a new type of organic electrochromic Near Infrared (NIR)-active materials capable of absorbing and attenuating the light in the NIR region around 1550 nm and...
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6812298 |
Hyperbranched polymers by multimonomer polymerization
Hyperbranched polymers are prepared by a process in which a monomer having the form A x is reacted with another monomer of the form B y , where A and B are functional groups that do not react with...
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6803447 |
Preparation of supramolecular polymers by copolymerization of monomers containing quadruple hydrogen bonding units with regular monomers
The invention relates to the synthesis of polymers containing self-complementary quadruple hydrogen groups by copolymerizing monomers containing a quadruple hydrogen bonding group with one or more...
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6803168 |
Composition for anti-reflective coating or radiation absorbing coating and compounds used in the composition
A composition for an anti-reflective coating or a radiation absorbing coating which can form an anti-reflective coating or a radiation absorbing coating having high absorption to exposed radiation...
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6800276 |
Polyureas and water-soluble or water-dispersible polymeric salts
The present invention relates to polymers, polyureas and water-soluble or water-dispersible polymeric salts, a cosmetic or pharmaceutical composition which comprises at least one such polymer, and...
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6786680 |
Process for patching canals and ditches with a non-sagging polyurethane composition
Seams are sealed and surface defects are repaired in a polyurethane/geotextile composite applied over concrete, an earthen canal or a ditch with a non-sagging polyurethane composition. This...
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6784275 |
Active energy ray-curable polyimide resin composition
Disclosed is an active energy ray-curable polyimide resin composition which comprises a polymerizable polyimide resin (I) having an isocyanurate ring, an alicyclic structure, an imide ring and a...
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6774207 |
Polyaspartate resins with good hardness and flexibility
The present invention relates to polyaspartate mixtures containing a) 5 to 70 equiv. %, based on the total equivalents of aspartate groups, of a cyclic polyaspartate corresponding to the formula ...
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6774206 |
Polyaspartate resins with improved flexibility
The present invention relates to polyaspartates corresponding to the formula wherein X 1 represents the residue obtained by removing the amino groups from a polyether polyamine having a...
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6770725 |
Bioactive surface modifiers for polymers and articles made therefrom
This invention relates to macromolecule modifiers containing biologically active drugs/biomolecules, or precursors thereof, and fluoroligomers; compositions comprising the macromolecules containing...
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6750286 |
Polyurethane and its use in aqueous painting plastic
A polyurethane which has a number average molecular weight M n of from 3,000 to 50,000 and an acid number of from 10 to 35 and is preparable by reacting (a1) at least one polyesterpolyol having a...
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6730360 |
Lubricant varnish coating component, lubricant varnish and methods for coating elastomers such as windshield wiper blades
A lubricant varnish component and a lubricant varnish, for example, for coating elastomer profiles, are provided, wherein lubricant varnish component includes a polyurethane, a siloxane as well as...
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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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6706807 |
Aliphatic thermoplastic polyurethanes and use thereof
A thermoplastic moulding composition that contains an aliphatic thermoplastic polyurethane (TPU) resin is disclosed. The TPU is the product of a reaction of A) a diisocyanate reactant that contains...
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6706835 |
Curable compositions containing thiazole functionality
Adhesion promoting compounds or resins containing a thiazole functionality (including benzothiazole) and a polymerizable functionality (Z) give improved adhesive strength to metal substrates. A...
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6703443 |
Low-viscosity nonaqueous liquid pigment dispersions and methods of utilizing such compositions
A new and useful nonaqueous liquid pigment dispersion is provided which is easy to handle and produces thorough and effective colorations within target media, particularly as compared to standard...
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6686435 |
Method of making natural oil-based polyols and polyurethanes therefrom
A method for making natural oil-based polyols directly from vegetable or animal oil using a consecutive two-step process involving epoxidation and hydroxylation is provided. Specifically, this...
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6683151 |
Supramolecular compound
The invention relates to a compound comprising a reaction product of (A) an isocyanate functional compound of which at least 40 wt. %, relative to the total amount of (A), has a molecular weight of...
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6680355 |
Dispersant
Disclosed is a dispersant obtainable by reacting (i) a di- or polyfunctional isocyanate with (ii) an HX-terminated polymeric compound, where X is COO, O, S or NR 1 and R 1 is H or C 1 -C 6...
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6646089 |
Hyperbranched polymers with latent functionality and methods of making same
Hyperbranched polymers having a plurality of at least two different types of functional groups are described. Specific embodiments include hyperbranched polymers having functional groups of a first...
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6642015 |
Hydrophilic polymeric material for coating biosensors
Disclosed is a biocompatible membrane comprising a hydrophilic polyurea composition. The hydrophilic polyurea composition comprises the product of a reaction mixture comprising (a) an amino...
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6642302 |
Polyurethanes and their use for the thickening of aqueous systems
The invention relates to a water-soluble or water-dispersible polyurethane which is the reaction product of A) at least one polyether polyol a1) having an average functionality of ≧3 and at...
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6642341 |
Molded articles having improved flex modulus and impact strength and a process for the production thereof
Molded polyurethane articles having improved flex modulus and impact strength are produced by subjecting a polyurethane-forming reaction mixture which has been introduced into a mold to a static...
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6637181 |
Elastane threads and method for the production thereof
Described is a process for producing segmented polyurethanes having improved processing characteristics in the melt state and an efficient spinning process based thereon to form highly elastic,...
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6635737 |
Polymers derived from low unsaturation polyamines
Low unsaturation, high molecular weight polyols having an unsaturation level below or equal to 0.006 milli-equivalents per gram, and preferably below 0.004 milli-equivalents per gram, and molecular...
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6635690 |
Reactive oligomers
The present invention provides novel compositions prepared from a first oligomer containing reactive functional groups capable of reaction at effective rates (at normal processing temperatures)...
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6635761 |
Catalyst and method for trimerization of isocyanates
This invention relates to the use as catalyst for the cyclotrimerization reaction of isocyanates of a hydrogencarbonate of a cation which either as it is or in the form complexed with a complexing...
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6630585 |
Method for purifying nucleic acids from feces
An object of the present invention is to provide a method capable of removing contaminants other than nucleic acids derived from feces at high efficiency, and thereby obtaining nucleic acids with...
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6630537 |
Coating agent and method for producing same
A two-component coating composition comprising (I) a component comprising at least one isocyanate as crosslinking agent and (II) a component comprising at least one binder having functional groups...
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6610811 |
Polyurethanes with improved tear propagation resistance
Polyurethanes having improved tear resistance which are the reaction product of the following components: A) a polyol component containing dimer diol and/or trimer triol and/or an OH-terminated...
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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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6602971 |
Process and device for pressurizing flowable reaction components
Flowable reaction components of a reaction mixture which form solid or foamed material comprising filling material are transported from a storage container to a high-pressure mixing head in...
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6596836 |
Polyisocyanate compounds, process for producing the same, and optical materials using the same
The invention provides a novel polyisocyanate compound which is useful as a starting material for an optical material having a high refractive index, a low dispersion and excellent optical...
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6593419 |
Polyurethane resin and method for producing the same, resin composition and sheet-form article
A method for producing a polyurethane resin which comprises reacting: (A) a compound having an active hydrogen-containing group, containing: (A 1 ) a compound having one spiro ring and active...
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6573354 |
Process for the preparation of vegetable oil-based polyols and electroinsulating casting compounds created from vegetable oil-based polyols
A vegetable oil-based polyol is made by adding a peroxyacid to vegetable oil wherein said peroxyacid reacts with said vegetable oil to form epoxidized vegetable oil and adding said epoxidized...
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6559274 |
Stabilized monoaspartic acid esters and polyaspartic acid esters
The present invention relates to a composition comprising monoaspartic acid esters and polyaspartic acid esters as well as an addition product prepared from an unsaturated dicarboxilic acid...
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6555230 |
Artificial leather
Artificial leather has a base sheet and a resin layer arranged on at least one side of the base sheet. The resin layer comprises a polyurethane having side chains derived from a fluorine-containing...
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6552121 |
Alkali silicate-polyisocyanate composites
A process for preparing alkali silicate—polyisocyanate composites without catalyst separation. The process involves blending a catalyst and a polyisocyanate to form a first component, and...
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6545114 |
Polysiloxaneurethane-poly(acrylic acid)/polyacrylate copolymer and method for making the same
A polysiloxane-urethane macromonomer having an unsaturated bond on one end thereof was co-polymerized with acrylic acid or acrylate monomers to form a copolymer having polysiloxane-urethane groups...
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6538046 |
Curable polyurethane polymer
The present invention provides a curable polyurethane polymer containing in copolymerized form A) from 10 to 60% by weight of at least one hydroxyl-containing prepolymer having at least one...
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6534600 |
Hyperbranched polyureas, polyurethanes, polyamidoamines, polyamides and polyesters
Hyperbranched polymers are prepared by a process in which a monomer having the form A x is reacted with another monomer of the form B y , where A and B are functional groups that do not react with...
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6531228 |
Liquid urethane compositions for textile coatings
Disclosed is a polyurethane based composition for treating textiles to provide such treated textile with oil, water or oil and water repellency. The composition comprises a polyfunctional liquid...
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6524564 |
Urethane(meth)acrylates containing siloxane groups and able to undergo free-radical polymerization
The present invention relates to free-radically polymerizable, siloxane-containing urethane (meth)acrylates which comprise, in incorporated form, a) at least one compound which contains at least...
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6515070 |
Low-temperature, heat-activated adhesives with high heat resistance properties
The present invention is directed to a polymer component having controlled branching, formed from the reaction product of a prepolymer and a chain extender, which prepolymer is itself formed from...
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6512086 |
Process for preparation of organosilicon compositions
Process for the preparation of fluid organosilicon compounds usable in adhesive, coating and sealant formulations is described. The process includes the synthesis of organosilicon prepolymer...
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6509409 |
Polyurethane dispersants
A dispersant comprising the addition product of a polyisocyanate having an average functionality of from 2 to 10 and one or more poly(oxyalkylene carbonyl) chains (POAC chain) such as those...
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6503981 |
Polyurethane based thermoreactive hot-melt adhesives
A thermally curable hot-melt adhesive composition, comprises (A) a prepolymer having isocyanate groups, a number average molecular mass Mn of 700 to 6000 and wherein 50 to 100%, preferably 70-95%,...
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6503980 |
Liquid polyurethane plasticizers containing allophanate and/or carbodiimide and/or uretonimine groups
This invention relates to novel liquid, polyurethane plasticizers which contain less than 13% by weight, preferably less than 6% by weight of allophanate groups, carbodiimide groups, and/or...
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6492484 |
Polycarbodiimide
A polycarbodiimide represented by the formula (I): wherein R 1 is an alkylene group having 2 to 10 carbon atoms, R 2 is a divalent aromatic group, R 3 is a monovalent aromatic group, k is 0...
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6492456 |
Method for separating a compound obtained by polymerization of non-transformed monomer isocyanates
This invention relates to a process for separating one (or more) oligomeric or polymeric compound(s) (A) obtained by polymerization of isocyanate monomers (A 1 ) or copolymerization of isocyanate...
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