|
Match
|
Document |
Document Title |
|
|
8105521 |
Aromatic polyamide filament and method of manufacturing the same
Disclosed are wholly aromatic polyamide filament and a method of manufacturing the same, characterized in that, in a process of preparing wholly aromatic polyamide polymer, a multiple tubular feed...
|
|
|
8080197 |
Method for manufacturing filaments from an optically anisotropic spinning solution and air gap spinning device
The invention pertains to a method for manufacturing filaments from an optically anisotropic spinning solution in which the spinning solution is extruded through a spinneret including a spinning...
|
|
|
8066903 |
Method for preparing a cellulose carbamate solution
A method for preparing a cellulose carbamate solution. Dissolving is performed in two steps, first by moistening cellulose carbamate pulp with a dilute alkaline solution and second by admixing a...
|
|
|
8052905 |
Process for the preparation of polymer yarns from ultra high molecular weight homopolymers or copolymers, polymer yarns, molded polymer parts, and the use of polymer yarns
A process for the preparation of polymer yarns from ultra high molecular weight homopolymers or copolymers, wherein the process includes the following steps: (a) preparing a suspension of a...
|
|
|
8003027 |
Process for the preparation of polymer yarns from ultra high molecular weight homopolymers or copolymers, polymer yarns, molded polymer parts, and the use of polymer yarns
A process for the preparation of polymer yarns from ultra high molecular weight homopolymers or copolymers which includes the steps of preparing a suspension of a homopolymer or copolymer and a...
|
|
|
7976945 |
Flame resistant fiber, carbon fiber and production method thereof
In a flame resistant fiber assembly obtainable by fiber forming a flame resistant polymer, a flame resistant fiber of a higher performance is obtained by improving fiber forming ability. A carbon...
|
|
|
7968030 |
Hot surface hydrolysis of polyphosphoric acid in spun yarns
The present invention relates to processes for hydrolyzing polyphosphoric acid in spun multifilament yarns.
|
|
|
7968029 |
Processes for hydrolysis of polyphoshoric acid in polyareneazole filaments
The present invention relates to processes for hydrolyzing polyphosphoric acid in polyareneazole filaments.
|
|
|
7799255 |
Melt spun elastic tape and process
Articles such as melt spun elastic tape and heaving denier monofilament fibers are made from thermoplastic polyurethane (TPU) polymers. The process to make the articles involves using a...
|
|
|
7793357 |
Method of producing ultra thin chitosan fibers and non-woven fabrics
This invention provides a method of producing chitosan non-woven fabrics and an apparatus thereof. At first, a chitosan acidic solution is extruded to form a chitosan fibrous stream. Then, a...
|
|
|
7776246 |
Process for the production of polyarenazole yarn
The present invention concerns a process for making a polyareneazole multifilament yarn comprising: a) extruding a solution comprising polyareneazole polymer and polyphosphoric acid through a...
|
|
|
7736561 |
High tenacity polyethylene yarn
A process for preparing ultra-high molecular weight polyethylene (UHMWPE) multi-filament yarns having improved tensile properties and the yarns and articles thereby produced.
|
|
|
7727444 |
Apparatus and method for manufacturing nonwoven fabric
An apparatus includes a spinning nozzle, a fiber drawing device and a water spray device. The spinning nozzle has spinnerets and a spinning solution is filled therein. The spinning solution...
|
|
|
7585442 |
Process for making cellulose acetate tow
A process for making a cigarette tow comprising: spinning a dope; taking-up the as-spun cellulose acetate filaments; lubricating the filaments; forming a tow from the filaments; crimping the tow...
|
|
|
7534379 |
Process of making cellulose acetate tow
In the manufacture of a fiber tow, particularly cellulose acetate tow, a stuffer box crimper has a pair of tow edge lubricators adapted to lubricate the lateral edges of the tow immediately prior...
|
|
|
7534380 |
Cellulose acetate tow and method of making same
In the manufacture of a fiber tow, particularly cellulose acetate tow, a stuffer box crimper has a steam injector in communication with the stuffer channel of the crimper. The steam injector...
|
|
|
7455674 |
High strength bioresorbables containing poly-glycolic acid
Polymer compositions comprising poly-glycolic acid (PGA) or a functional derivative thereof with a tensile strength of at least 1200 MPa are disclosed. Processes suitable for manufacturing said...
|
|
|
7425289 |
Process of making cellulose acetate tow
In the manufacture of a fiber tow, particularly cellulose acetate tow, a stuffer box crimper has a pair of nip rollers, at least one, made of a solid ceramic material.
|
|
|
7410696 |
Polyoxymethylene fibers, production thereof and use thereof
Described are fibers comprising a polyoxymethylene copolymer having an ISO 1133 MVR melt index (determined at 190° C. under a load of 2.16 kg) in the range from 0.3 to 30 ml/10 min which possess a ...
|
|
|
7377762 |
System for producing resin molded article with spring structure
The present invention relates to a resin-molded article with a spring structure, and to a method and apparatus for preparing a superficial layer of such a resin-molded article with a spring...
|
|
|
7351243 |
***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
High strength bioresorbables containing poly-glycolic acid
Polymer compositions comprising poly-glycolic acid (PGA) or a functional derivative thereof with a tensile strength of at least 1200 MPa are disclosed. Processes suitable for manufacturing said...
|
|
|
7214335 |
Solution containing cellulose dissolved in N-methylmorpholine-N-oxide and high tenacity lyocell multifilament using the same
This invention relates to a method of preparing cellulose solution which is homogeneous at relatively low temperature, in which a small amount of cellulose powder or polyvinylalcohol is dissolved...
|
|
|
7141617 |
Directed assembly of three-dimensional structures with micron-scale features
The invention provides polyelectrolyte inks comprising a solvent, a cationic polyelectrolyte, dissolved in the solvent, and an anionic polyelectrolyte, dissolved in the solvent. The concentration...
|
|
|
7070723 |
Method for spin-drawing of melt-spun yarns
A method is provided for simultaneous spin-drawing of continuous yarns consisting of one or more filaments, comprising the steps in which a melt of a thermoplastic material is fed to a spinning...
|
|
|
7025916 |
Process of making bioengineered collagen fibrils
The invention is directed to a class of fiber or strand suspension compositions that may be processed further into viscoelastic pastes or porous solids. The preferred compositions of the invention...
|
|
|
6972101 |
Method and device for regulating the composition of solution(s)
A method and device for regulating the composition of a solution(s) in the production of cellulosic mouldings. The device comprises multiple measuring devices for the measurement of non-optical...
|
|
|
6902690 |
Method and device for producing cellulosed shaped bodies
The invention relates to a method for producing cellulosed shaped bodies. (a) Cellulose and an aqueous aminoxide are mixed, whereby a suspension is produced. (b) A cellulose solution is produced...
|
|
|
6841230 |
Long-fiber-reinforced thermoplastice resin sheets, production process thereof, and composite structures reinforced by the sheets
A long-fiber-reinforced thermoplastic resin sheet comprises short strands, each of which has a width of from 0.2 to 5 mm and a length of from 10 to 150 mm and is made of a unidirectionally...
|
|
|
6730252 |
Methods for fabricating a filament for use in tissue engineering
The invention relates to the use of Fused Deposition Modeling to construct three-dimensional (3D) bioresorbable scaffolds from bioresorbable polymers such as polycaprolactone (PCL), or from...
|
|
|
6582634 |
Process of making a yarn
A method of converting a plastics material into a yarn, in which the plastics material includes one or more polymers selected from the group consisting of nylon, polyesters, polyethylene, polyvinyl...
|
|
|
6569366 |
Process for producing meta-type wholly aromatic polyamide filaments
A meta-type wholly aromatic polyamide containing, as principal repeating units, meta-phenylenediamineisophthalamide units is dissolved in an amide compound solvent; the resultant polymer solution...
|
|
|
6527987 |
Process for producing regenerated cellulosic fibers
It is an object of the present invention to overcome the problem of fibrillation which is a drawback found in solvent-spun regenerated cellulosic fibers and to thereby provide high-quality...
|
|
|
6527996 |
Process of making a tubular dental hygiene device
This invention relates to a novel composition for use in dental flosses or tapes. More particularly, it relates to novel compositions containing a base polymer, a block copolymer and a nonmigrating...
|
|
|
6527997 |
Process of making cellulose formate fibers of liquid crystal origin
A cellulose formate fiber of liquid-crystal origin, having a high elongation at break and having the following characteristics: a) under an optical polarizing microscope, its filaments have a...
|
|
|
6436319 |
Method of preparing hollow fiber-type separation membrane from high density polyethylene
A method for preparing a hollow fiber-type separation membrane from high density polyethylene is provided, which includes the steps of: melt-spinning a mixture of a high density polyethylene and a...
|
|
|
6436323 |
Production of fibre
Staple fiber is produced by extruding a solution of a polymer through a spinneret to form continuous filaments, gathering the continuous filaments to form a tow and continuously cutting the...
|
|
|
6238608 |
Method for producing polyamide monofilaments and monofilament for technical fabric
The process produces vacuole-free coarse polyamide monofilaments having diameters of from 0.8 to 1.5 mm. It includes preparing a mixture including from 75 to 85 percent by weight polyamide 66 and...
|
|
|
6235869 |
Absorbable polymers and surgical articles fabricated therefrom
Synthetic absorbable medical devices made totally or in part from a random polymer comprising glycolide, lactide, trimethylene carbonate, and caprolactone are provided. The polymer can be...
|
|
|
6171537 |
Preparation of poly (urethaneurea) fibers
A process for the preparation of poly(urethaneurea) fibers by reacting a blocked aliphatic diamine with a capped glycol prepolymer, followed by extrusion spinning, is provided.
|
|
|
6127506 |
Process for melt spinning spandex
A process for melt spinning spandex, utilizing a polyurethaneurea polymer prepared from a purified capped glycol, linear aliphatic diamines and a monoamine chain terminator, is provided.
|
|
|
6036895 |
Process and device for the formation of monofilaments produced by melt-spinning
A continuous process and apparatus for the production of melt-spun monofilaments having a diameter of 60 μm to 2500 μm from fiber-forming polymers, wherein the polymer melt is spun into air from a...
|
|
|
6017474 |
Highly permeable polyethersulfone hollow fiber membranes for gas separation
Formulation polymer dopes and development of processes for preparing asymmetric polyethersulfone hollow fiber membranes for gas separation are provided. Polyethersulfone hollow fiber membranes...
|
|
|
6015516 |
Ultrathin high-performance hollow fiber membranes
A process for forming ultrathin dense-layer asymmetric hollow fiber membranes with a dense layer of less than 500 Å from a binary solution system comprising a polymer and a solvent. In this p...
|
|
|
5961906 |
Biodegradable and compostable plastic articles, including flat-shaped articles
The use of dispersions of polyurethanes containing urea groups and based on selected starting materials, optionally via the intermediate stage of granules obtained by spray drying the dispersions,...
|
|
|
5952434 |
Spinning dope and fibres spun therefrom
The invention relates to synthetic yarns spun from suophuric acid anistropic solutions of rigid aromatic polyamides blended with aliphatic polyamides. Disclosed is a spinning dope composition...
|
|
|
5938999 |
Wet-spinning fiber process providing controlled morphology of the wet-spun fiber
A wet-spinning fiber process which controls the micro-structure of the wepun fiber by varying the non-solvent/solvent miscibility and precipitation strength.
|
|
|
5922259 |
Cord of twisted polybenzazole fibers
There is provided a cord of twisted polybenzazole fibers, which has a tenacity of 35 g/d or higher and an elastic modulus of 800 g/d or higher. The cord has not only remarkably improved fatigue...
|
|
|
5910274 |
Method of preparing membranes from blends of polymers
Improved anisotropic fluid separation membranes are prepared from blends of polymers with surface energy differences. The membranes are formulated by processes wherein low surface energy polymer...
|
|
|
5840828 |
Polyimide fibers
A polyimide fiber having textile physical property characteristics and the process of melt extruding same from a polyimide powder. Polyimide powder formed as the reaction product of the monomers...
|
|
|
5824767 |
Poly(arylene sulfide) compositions having improved processability
A process for improving the processability of poly(arylene sulfide) in melt spinning operations by treatment with a barium-containing compound and, optionally, a lubricant is disclosed.
|