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7625992 |
Processes for polyurethane polymerization using polysilyl derivatives of germanium and tin as catalysts
Processes for polyurethane polymerization are provided. The processes use polysilyl derivatives of germanium and tin as catalysts. Polyurethanes made using the catalysts have increased gel times as...
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7456245 |
Energy-absorbent material and method of making
This invention relates to materials which absorb and dissipate energy and/or selectively allow energy to be transmitted, methods of making same, and articles comprising such materials. In...
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7223801 |
Joint fill composition and method
A composition and method for protecting pipeline joints is disclosed. A mold covers the exposed pipeline joint. A reaction composition including a polyol, an isocyanate, and an ester, preferably...
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7202302 |
Polyisocyanurate compositions and composites
Polyisocyanurate systems, pultrusion of those systems to produce reinforced polyisocyanurate matrix composites, and to composites produced thereby. The polyisocyanurate systems include a polyol...
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7157536 |
Coating composition for ambient cure containing an alkoxylated amine
A composition that can be used as a component in auto clear coat and primer is disclosed. The composition comprises or is an alkoxylated amine having the formula of (A)[N(R 1 H) 2 ] p including an...
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7078442 |
Method of consolidating sand or gravel into a solid mass
A composition and method for consolidating aggregate material is disclosed. The method includes introducing a reaction composition into the aggregate material and allowing it to reach on form a...
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7041770 |
Golf ball comprising saturated polyurethanes and methods of making the same
A golf ball comprising a layer including a saturated polyurethane composition formed of a saturated prepolymer and a saturated curing agent, wherein the layer may be casted as an outer cover,...
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6995231 |
Extrudable highly crystalline thermoplastic polyurethanes
A thermoplastic polyurethane composition having a high crystalline content which advantageously can be processed in an extruder. The composition includes a crystallization retarding component of a...
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6939939 |
Polyurea/urethane optical material and method for making it
A polyurea/urethane material and method for making it provides for improved optical parts. The material allows for ease of manufacture of parts having good optical properties, high hardness, low...
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6908979 |
Polyurethane elastomer gels
Polyurethane gels, a reaction system for preparing the gels, and a process for producing polyurethane gels. The reaction system comprises a polyisocyanate composition and an isocyanate-reactive...
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6906163 |
Prepolymer catalysts suitable for preparing spandex fibers
Segmented polyurethane/ureas useful for the production of spandex, particularly spandex fibers, are made from isocyanate-terminated prepolymers formed by reacting excess isocyanate with an...
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6835794 |
Golf balls comprising light stable materials and methods of making the same
Golf equipment having improved cut and shear resistance that includes a polyurea composition, preferably saturated, formed of a polyurea prepolymer and a curing agent, wherein the polyurea...
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6777494 |
Optical terpolymer of polyisocyanate, polythiol and polyene monomers
A monomer composition characterized by being curable to form a resin suitable for optical products having a balanced refractive index and Abbe's number range and good tintability comprising a...
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6756467 |
Curable compositions
A resin system including a water curable isocyanate functionalized prepolymer, a first catalyst chemically bound-in to the prepolymer, and a second catalyst soluble in water and insoluble in the...
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6756468 |
Compositions for coatings based on (per) fluoropolyethers
Cmpositions for coatings having a dry content higher than 80%, preferably of about 85-90% by weight, based on polyisocyanates and PFPEs, completely crosslinkable also in a range of temperatures...
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6709748 |
Flexible polyurethane material
The present invention provides a flexible two component polyurethane and method for producing the polyurethane. The cured polyurethane is flexible, durable and weather resistant. The polyurethane...
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6680356 |
Coating composition having improved early hardness and water resistance
A fast hardening clear coating composition for repairing a clearcoat/colorcoat finish of a vehicle, which composition is capable of being wet sanded, buffed or polished to a high gloss finish on...
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6677425 |
Clear coating composition having improved early hardness and water resistance
A fast hardening clear coating composition for repairing a clearcoat/colorcoat finish of a vehicle, which composition is capable of being wet sanded, buffed or polished to a high gloss finish on...
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6657035 |
Moisture-curable one-pack-type urethane adhesive composition
The present invention provides a moisture-curing one-pack urethane adhesive composition which has a good adhesive property to a painted steel. The moisture-curing one-pack urethane adhesive...
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6657036 |
Polycondensation resins and polyaddition resins produced by heterogeneous catalysis
The invention relates to polycondensation resins which are prepared by polycondensation of compounds having a low molecular weight and separation of small molecules in the presence of at least one...
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6653396 |
Process for the preparation of zeolite A for use in formulations based on two-component polyurthane resins
Zeolites of type A wherein all the cationic sites of which occupied by sodium, calcium and/or magnesium, potassium and hydronium cations, which exhibit the advantage of having a water adsorption...
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6649557 |
Use of tin derivatives as latent polycondensation catalysts, and premix containing them
Tin derivatives for use as oxygen-activated latent polycondensation catalysts. According to the invention, said tin derivatives have at least one tin-tin bond of the formula (I): R 1 —Y n —R 4 ...
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6639024 |
Coating a ball with two-part polyester polyol-catalyst/polyisocyanate system
A method of coating a game ball with a rapidly curing polyurethane coating system is described herein. The coating system comprises a mixture of a polyol, an isocyanate, a solvent and a high level...
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6627725 |
Composition which is useful for obtaining a matt or satin coating, use of this composition and coating thus obtained
The present invention relates to a composition, particularly useful in paint. This composition is defined in that it contains, for successive or simultaneous addition: an isocyanate which is at...
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6624283 |
Adhesive for rubber compositions, process for its preparation and articles comprising this adhesive
The present invention relates to an adhesive usable at ambient temperature to bond together two cross-linked rubber compositions, to a process for preparing the adhesive, to a tread of a tire cover...
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6613864 |
High temperature resistant polyurethane polymers
A polyurethane composition useful for the manufacture of an elastomeric part is provided. The polyurethane composition comprises a polyisocyanate prepolymer and an active hydrogen containing...
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6593444 |
Thermoplastic polyurethane elastomers (TPUs) prepared with polytrimethylene carbonate soft segment
Disclosed is a new class of TPUs with improved properties, based on poly(1,3-propanediol carbonate) diol, using 10 to 55% hard segment concentration, and cured with a diisocyanate. The composition...
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6592944 |
High solids acid etch and mar resistant clear coating composition
The present invention provides for an etch and mar resistant low VOC clear coating composition most suitable for use as a top clear coat in multi-layered OEM or refinish automotive coatings. The...
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6562932 |
Light stable one-shot urethane-urea elastomers
This invention relates to a process for the production of an optically clear, light-stable polyurethane-urea elastomer having an onset softening point of at least 130° C., processed at ambient...
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6548615 |
Reactive binding agent with an extended pot life
The invention relates to a reactive composition containing A) an isocyanate-containing compound, B) a polyol, C) an organic tin or bismuth compound, D) a thiol group-containing compound or a...
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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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6395861 |
Quick-cure game ball coating system
A fast-curing polyurethane coating system for a game ball is described herein. The coating system comprises a mixture of a polyol, an isocyanate, a solvent and a surprisingly high level of catalyst...
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6392001 |
Process for the production of light-stable polyisocyanates containing allophanate groups
The present invention relates to a process for the production of polyisocyanates containing allophanate groups and having aliphatically and/or cycloaliphatically bound isocyanate groups by reacting...
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6383324 |
Polysulfide-based polyurethane sealant for insulating glass
An insulated glass sealant having the best characteristics of polysulfides and polyurethanes rather than the worst is made from a polysulfide-based polyurethane prepared by a one-step procedure...
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6362300 |
Moisture-curable polyurethane compositions
A one-component moisture curable polyurethane composition containing a silane adduct is provided. The composition does not suffer from adhesion failure even when curing conditions were changed, and...
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6359100 |
Methods of preparing polyurethane adhesives, adhesives produced thereby and medical devices employing the same
A polyurethane adhesive composition preferably having pressure sensitive characteristics that is non-cytotoxic and methods of making the same which is especially useful for medical applications...
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6340503 |
Method of coating a game ball with a solvent-based polyurethane cured with catalyst
A method of coating a game ball with a rapidly curing polyurethane coating system is described herein. The coating system comprises a mixture of a polyol, an isocyanate, a solvent and a high level...
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6242555 |
Light-stable elastomeric polyurethane mouldings and process for the production thereof
A process for the production of micro-cellular or non-cellular, light-stable elastomeric, flexible or semi-flexible polyurethane moldings which are especially suited for window encapsulation...
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6221494 |
Reactive oligomers for isocyanate coatings
The invention is directed to a two-pack solvent-based ambient curable coating composition comprising a binder of a hydroxyl and crosslinking components. The hydroxyl component includes a linear or...
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6207225 |
Solventless two-component strippable lacquer for metal surfaces
A solvent-free, two-component strip coating for metal surfaces is described which comprises the following components: TBL A) 5 to 20% by weight of an optionally substituted aromatic diamine,...
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6180714 |
Golf ball coating composition and coated golf ball
A coating composition comprising a two-part curable urethane paint consisting essentially of a polyol and a polyisocyanate, a metal chelating agent having a boiling point of up to 200° C., and an...
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6177523 |
Functionalized polyurethanes
The present invention relates to functionalizable and crosslinkable polyurethanes formed of a polyurethane intermediate including one or more ester groups which react with an amine equivalent to...
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6136890 |
Ink jet ink containing polyurethane dispersant
Described are pigmented inks comprising a liquid medium, a pigment, and a polyurethane dispersant, the pigment being stabilized by the polyurethane dispersant, and the ink being suitable for use in...
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6133371 |
Fluid sealing between faying surfaces utilizing a solid sealant
A sealant for forming a fluid seal between the faying surface of two metallic substrates that are compressively and mechanically joined together. The sealant is a liquid in its pre-cured condition...
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6084026 |
Coating compositions having extended pot life and shortened cure time and combination of chemicals used therein
A combination of chemicals suitable for extending pot life and shortening cure time of a pot mix of a thermosetting composition is disclosed. The combination of chemicals includes a catalyst, such...
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6020283 |
Process for the production of delayed action tin catalysts
The present invention relates to a novel process for the production of delayed action tin catalysts. This process comprises reacting a dialkyltin dihalide with an alkali metal sulfide, to yield the...
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6015475 |
Polyurethane sealant compositions
In one aspect, this invention is a polyurethane sealant composition comprising (1) a urethane prepolymer having an isocyanate functionality of at least about 2.0 and a weight average molecular...
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5998532 |
Color pigmented moisture curing polyurethane coating having an adjustable cure time and method for preparing same
This invention relates to a new and useful color pigmented moisture curing polyurethane coating that has an adjustable drying time, as well as methods of producing the coating. The coating is...
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5981685 |
Organotin sulfonate catalysts and their manufacture
Dual cure organotin salts of strong organic acids, the use of such salts as catalysts and an improved process for producing the catalysts are provided. The catalysts are capable of effectively...
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5902871 |
Catalyst for low temperature cure of blocked isocyanates
The present invention comprises a curable composition comprising: (i) a blocked reactive component comprising a blocked isocyanate or a blocked isothiocyanate; (ii) a functional compound...
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