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6465389 Heat resistant catalyst sheet and process for producing same  
There are provided (i) a heat resistant catalyst sheet having an aramid fiber and a catalyst component-containing titania fiber; and (ii) a process for producing a heat resistant catalyst sheet,...
6461700 Aromatic acid monomers, polymers, products and processes for their manufacture  
Processes for producing aromatic monomers useful for forming polyesters are disclosed. Cost effective steps employed in the processes permit small amounts of process-related materials typically...
6458455 Poly(trimethylene terephthalate) tetrachannel cross-section staple fiber  
Poly(trimethylene terephthalate) tetrachannel cross-section staple fibers, as well as yarns, fiberfill webs, batts and products, and fabrics made therewith. Also, the process of making such staple...
6454982 Method of preparing polyethylene glycol modified polyester filaments  
Disclosed is a method of copolymerizing polyethylene glycol (PEG) into polyethylene terephthalate (PET) to achieve a polyethylene glycol-modified polyester composition that can be spun into...
6455155 True-section extruded plastic cutter filament system  
An improved cutting filament for use in a rotary trimmer is an extruded resin, being subject to vertical extrusion to sustain true-section profile, and to structural orientation to enhance the...
6451429 Temperature sensitive polymers and water-dispersible products containing the polymers  
The present invention is directed to a novel process of making N-isopropyl acrylamide (NiPAm) polymers based upon the reaction of poly(acrylic acid) and N-isopropylamine. The disclosed method of...
6448307 Compositions of texturized fibrous materials  
The invention is based on the discovery that texturized cellulosic and/or lignocellulosic materials can be combined with many different matrix materials, including organic matrices (e.g.,...
6448367 Method of producing poly(p-dioxanone), poly (p-dioxanone) monofilaments and method for producing the same  
The ring opening polymerization of p-dioxanone is started in a liquid phase under stirring at a temperature of 85 to 105° C. after adding 0.002 to 0.005 mol percent of stannous 2-ethylhexanoate...
6448370 Treatment of polyamide with gas phase of acid, anhydride or amine  
The end group content of polyamide in the solid state may be reduced by treating the polyamide with gas-phase acid, anhydride, or amine. Stain- or dye-resistant polyamide fibers can be made by...
6447905 Green tire bead and composition  
Tire bead rubber compositions and tire beads made therewith are provided having good dimensional stability, processability and wire adhesion Tire bead rubber compositions containing crosslinked...
6447917 Friction material  
A friction material for brake including reinforcing fibers, a friction modifier, a lubricant, and a binder, characterized by containing, as a part of the component of the friction modifier, 2 to 5...
6444608 Porous titania, catalyst comprising the porous titania  
The present invention provides a porous titania, which has an anatase-form crystalline structure, an anatase-form crystallite diameter of 3 nm to 10 nm, a degree of anatase crystallinity of 60% or...
6444314 Lyocell fibers produced from kraft pulp having low average degree of polymerization values  
The present invention is directed to lyocell fibers having a high hemicellulose content of at least 5%, a low lignin content as measured by a kappa number less than 2.0 and including cellulose that...
6440558 Process and apparatus for the manufacture of composite fibrous strand comprising glass fibers  
A process and apparatus are provided for the manufacture of a composite fibrous strand comprising glass fibers. Glass fibers and an additive fibrous material (e.g., thermoplastic polymeric fibers)...
6440555 Package for taking up false twist yarns  
The present invention provides a package, of a false twist yarn composed of polytrimethylene terephthalate fibers, characterized in that a hardness and a winding density of the package and the...
6440523 Lyocell fiber made from alkaline pulp having low average degree of polymerization values  
The present invention provides lyocell fibers made from compositions having a high hemicellulose content of at least 5% by weight, a low kappa number of less than 2.0 and including cellulose that...
6436855 Hydrophilic fiber and non-woven fabric, and processed non-woven products made therefrom  
A hydrophilic fiber comprising a thermoplastic resin, wherein 0.1-1.5% by weight of a fiber-finishing agent adheres to the fiber, the fiber-finishing agent containing 50-80% by weight of component...
6436533 Melt spun fibers from blends of poly(tetrafluoroethylene) and poly(tetrafluoroethylene-co-perfluoro-alkylvinyl ether)  
The present invention relates to melt spun fibers prepared from blends of poly(tetrafluoroethylene) and poly(tetrafluoroethylene-co-perfluoro-alkylvinyl ether).
6432531 Synthesis of alumina acetate monohydrate salt sol fibers and uses thereof  
A cationic fibrous acetate salt of boehmite alumina produced by providing a slurry of water and basic aluminum acetate, stirring the slurry to ensure substantially complete mixing thereof, reacting...
6428891 Acrylonitrile-based precursor fiber for carbon fiber and method for production thereof  
This invention relates to an acrylonitrile-based precursor fiber for carbon fiber which is prepared from an acrylonitrile-based copolymer containing 96.0 to 98.5% by weight of acrylonitrile units,...
6427736 Cellulose fiber for tire  
The invention concerns a coagulating agent for liquid crystal solutions with a base of cellulose substances, characterised in that it contains at least one water soluble additive selected from the...
6423407 Polytrimethylene terephthalate fiber  
A polytrimethylene terephthalate fiber composed of a polytrimethylene terephthalate (PTT) comprising not less than 95 mole % of a polytrimethylene terephthalate repeating unit and having an...
6423411 Method of coating three dimensional objects with molecular sieves  
A method of coating a substrate with an oriented film. A target is ablated to create a plume. The substrate is manipulated, which may be by vibration, in the plume to coat the substrate with a...
6423817 Inherently light- and heat-stabilized polyamides  
A process for preparing inherently light- and heat-stabilized polyamides comprises polymerizing in the presence of at least one triacetonediamine compound of the formula where R is hydrogen or...
6423809 Polyurethane acrylate or vinyl type polymeric material for coating optical fibers based on a fluorinated diol  
The invention provides a polyurethane type polymeric material for coating optical fibers, based on a fluorinated diol with formula I: C n F 2n+1 —A—CH 2 OCH 2 —C (CH 2 OH) 2 —R where n is...
6420285 Multicomponent fibers and fabrics made using the same  
The present invention provides multicomponent fibers arranged in structured domains. At least one of the polymer components is formed of a multipolymer blend. The present invention also provides...
6420025 Method for producing ultra-fine synthetic yarns  
A process of producing a synthetic ultrafine endless yarn on the basis of polyester or polyamide in the range from 0.25 to 0.9 denier per POY filament by melt spinning at draw-off speeds between...
6416871 Surface modification of high temperature alloys  
A surface-modified material and its associated method have been developed for surface modification of high temperature resistance alloys, such as FeCrAl alloys, in order to increase their oxidation...
6416859 Methods of making pigmented filaments  
Polymeric compositions include a nonaqueous additive system having dispersant-coated pigments physically dispersed in a liquid nonaqueous polymeric carrier which may be added directly to a melt...
6413631 Process of open-end spinning of polyester staple fiber  
Polyester yarns whose polyester fibers are of simple oval peripheral cross-section of aspect ratio at least about 1.85:1 have shown better dye yield in fabrics than polyester staple fibers having...
6413632 Space dyed yarn  
This invention relates to a method and apparatus to produce space dyed yarns. A yarn sheet passes over a yarn-driven roll equipped with a digital sensor that tracks the position of the sheet as it...
6406788 Elastic polyurethane fiber  
An elastic polyurethane fiber excellent in chlorine resistance, which contains particles of a metal compound selected from oxides and hydroxides of a metal selected from zinc and magnesium, and...
6403216 Moisture-absorbing/releasing synthetic fiber and fabric using the same  
A synthetic fiber which is excellent in moisture-absorbing/releasing property and exhibits high elongation and high stretch recovery, characterized in that it has moisture absorption ratios of 0.5...
6399195 Polyester monofilament for use in screen gauze  
A core-sheath composite type polyester monofilament for use in a screen gauze in which the sheath ingredient is a polyester formed by adding and copolymerizing, based on the polyester, 2 to 10% by...
6399194 Polypropylene terephthalate twisted yarn and method for producing the same  
The present invention offers polypropylene terephthalate textured yarn which has little dyeing unevenness or fibrillation, and is outstanding in its product quality, by carrying out texturing at...
6399741 Color-stable polyalkyleneimine derivatives, fiberglass lubricants containing the same and processes for producing the same  
Polymer derivatives based upon polyalkyleneimine backbones having a color stabilizing-effective amount of their reactive amino functionalities substituted by either a carboxylic acid or an...
6395080 Refractory filaments  
A filament produced from a wet-spinning process. The process comprising (a) preparing a dispersion of particles of refractory material; (b)preparing a spin mix by mixing said dispersion with a...
6395394 Finish composition for treating yarns  
The invention pertains to a finish composition for treating yarns comprising a mixture of silicone oil emulsion and a wax emulsion wherein the amount of silicone oil is 0.5 to 30 wt. %, the amount...
6385956 Packing yarn made of graphite foil and metal foil and method of manufacturing a packing yarn  
A packing yarn and a method of manufacturing a packing yarn composed of at least two bands which are at most 5 mm wide and are joined together by a yarn manufacturing method, include forming the...
6387488 Color-developing composite short fibers and color-developing structures employing the same  
A color-developing composite short fiber having a length of 0.01 to 100 mm is obtained by cutting a color-developing short fiber capable of reflecting visible rays and interfering with visible rays...
6387489 Decorative sheet and processes for the production of sheets  
A decorative sheet arranged on the outside or inside of buildings is composed of a compression-molded core made from one or more core layers. The core contains cellulose fibers or wood fibers,...
6383635 Melt spinning colored polycondensation polymers  
The invention is a method of coloring melt spun condensation polymers while avoiding hydrolytic degradation and maintaining the melt viscosity of the polymer. The method comprises adding a liquid...
6383632 Fine denier yarn from poly (trimethylene terephthalate)  
Fine denier poly(trimethylene terephthalate) feed yarns and drawn yarns wherein the drawn yarns are characterized by a denier per filament less than 1.5 and are drawn such that the actual draw...
6383433 Copolyester fibers  
The present invention provides a copolyester fiber consisting of a copolyester with primarily C 2-4 alkylene terephthalate units and a process for producing these copolyester fibers. The...
6376074 In situ-formed debond layer for fibers  
A debonding layer is formed on fibers such as silicon carbide fibers by forming a thin film of a metal such as nickel or iron on the silicon carbide fibers and then annealing at a temperature of...
6376071 Polyurethane fiber containing poly(vinylidene fluoride)  
The present invention relates to polyurethane based fiber containing 0.1-25 percent poly(vinylidene fluoride) and a method of making the same.
6372343 Crimped polyester fiber and fibrous structure comprising the same  
Crimped polyester fibers which comprise a polytrimethylene terephthalate-based polyester and have three-dimensional crimps with a number of crimps of 9 to 30 peaks/25 mm and a crimp ratio of 20 to...
6368712 Carbon fibers and process for the production thereof  
The carbon fibers of the present invention have a polymer having polar groups and groups capable of reacting with a matrix resin deposited on the fiber surfaces. The carbon fibers can be produced...
6365273 Compact cord  
The invention relates to a cord comprising a core structure and one layer, said core structure consisting of 1 to 4 core filaments ( 1 ) having a diameter d 1 , d 1 , being greater than 0.15 mm and...
6361860 High modulus composites  
Composites of high melting point thermoplastics such as polyphenylene sulfide or polyimide and high modulus fibers such as carbon, graphite, or boron can be bonded to rubber using a primer such as...