Class 264/172.16 - Into liquid bath (e.g., wet-spinning, etc.)

Subclass of Class 264 - Plastic and nonmetallic article shaping or treating: processes
Definition: Processesunder subclass172.11wherein
No. of patents: 27
Last issue date: 12/04/2007

Number	Title	Issue Date
7303710	Method and device for extruding a continuous moulded body The present invention relates to an apparatus and a method as well as a system for extruding continuously molded bodies for producing filaments or staple fibers from an extrusion solution, such as a cellulose solution containing water, cellulose and tertiary amine o...	12/04/2007
6716523	Spandex and it's preparation with dispersant slurry A dispersant slurry for making spandex, based on phosphated block poly(alkylsiloxane)-poly(alkyleneether) alcohol or aromatic- or alkylaromatic-terminated phosphated poly(alkyleneether) alcohol dispersants, is provided. ...	04/06/2004
6682677	Spinning, processing, and applications of carbon nanotube filaments, ribbons, and yarns Coagulation spinning produces structures such as fibers, ribbons, and yarns of carbon nanotubes. Stabilization, orientation, and shaping of spun materials are achieved by post-spinning processes. Advantages include the elimination of core-sheath effects d...	01/27/2004
5977237	Flash-spinning solution A flash-spinning solution of a polyolefin dissolved in a primary solvent selected from the group consisting of methylene chloride and dichloroethylene, and a co-solvent selected from the group of hydrofluoroethers, cyclic perfluorinated hydrocarbons, and ...	11/02/1999
5876650	Process of making fibers of arbitrary cross section The present invention relates, in general, to fiber spinning and, in particular, to a process of spinning fibers of more than one cross-sectional component and to fibers produced thereby....	03/02/1999
5679196	Process of making rubber thread A rubber thread includes in cross-section a first rubber portion and a second rubber portion....	10/21/1997
5451355	Process for the manufacture of a composite thread and composite products obtained from said thread The present invention relates to a process for manufacturing a composite thread formed of a plurality of filaments combined with a thermoplastic organic material, which consists in mechanically entraining a thread in a device mounted in the manner of a cr...	09/19/1995
5324466	Method for the production of multi-layered conjugated acrylic fibers A multi-layered conjugated acrylic fiber comprises different acrylic polymers which are conjugated along the fiber axis in layers. On the average the fiber contains more than two layers of acrylic polymers. The shrinkage forming ratio in boiling water of ...	06/28/1994
5232647	Process of making bicomponent acrylic fibers having reversible crimp An acrylic fiber tow which includes 1) monocomponent filaments of each of two acrylonitrile polymers differing in hydrophilic properties, 2) bicomponent filaments of both of said polymers having one interface between polymers components and 3) bicomponent...	08/03/1993
5178812	Method of making composites having improved surface properties Polymeric composite materials having a decreasing concentration gradient of polymer matrix from the material's surface to the material's interior. The composite is produced by a process whereby polymer matrix is extracted from the interior of the material...	01/12/1993
5102601	Process for fabricating novel compostes based on reinforcement with microfibrillar networks of rigid-rod polymers A process for fabricating a composite in the form of a network of microfibrils which includes interpenetrating the microfibrils with a matrix material to form a composite which includes two continuous interpenetrating phases, a matrix-material phase and a...	04/07/1992
5017116	Spinning pack for wet spinning bicomponent filaments A spinning pack for wet spinning a tow having at least 20,000 bicomponent acrylic filaments is described. The pack includes a plurality of specially designed plates arranged so as to provide filaments having a substantially uniform distribution of the com...	05/21/1991
5011643	Process for making oriented, shaped articles of para-aramid/thermally-consolidatable polymer blends A process for making oriented, shaped articles of para-aramid/thermally-consolidatable polymer blends by orienting spinnable dopes containing 10 to 25% by weight fiber-forming polymers being at least about 55% and less than about 80% para-aramid and at le...	04/30/1991
5000898	Process for making oriented, shaped articles of lyotropic polysaccharide/thermally-consolidatable polymer blends A process for making oriented, shaped articles of lyotropic polysaccharide/thermally-consolidatable polymer blends by orienting spinnable dopes containing fiber-forming polymers being at least about 55% and less than about 80% lyotropic polysaccharide and...	03/19/1991
4720384	Manufacture of hollow fine tubular drug delivery systems Pharmaceutical compositions are provided which contain hollow fine tube drug delivery systems. The compositions comprise a pharmaceutically suitable carrier, preferably in the form of a capsule, tablet, suspension, or suppository, and at least one drug de...	01/19/1988
4559191	Production of ceramic fibers This invention provides a multi-step process for the preparation of ceramic fibers, such as ferrimagnetic spinel fibers which are useful in electromagnetic interaction shielding applications. The process involves subjecting a ceramic powder-filled hollow organ...	12/17/1985
4525384	Process for producing wholly aromatic polyamide filaments heat-treated under tension In a process for producing heat-treated wholly aromatic polyamide filaments comprising at least one wholly aromatic polyamide having recurring units of the formula (I): ##STR1## and at least one type of recurring units selected from those of the ...	06/25/1985
4454091	Solutions, which can be shaped, from mixtures of cellulose and polyvinyl chloride, and shaped articles resulting therefrom and the process for their manufacture The present invention relates to new polymer solutions which make it possible to obtain shaped articles such as yarns and fibres, films, sheets and the like. These solutions consist of cellulose having a degree of polymerization of at least 200, polyvinyl...	06/12/1984
4409289	Cellulose-acrylonitrile polymer solutions, articles, and methods of making same New polymer solutions, processes for producing such solutions, shaped articles made from these solutions, and process of making such articles, are disclosed. The polymer solutions contain cellulose having a degree of polymerization of at least 200, an acr...	10/11/1983
4350006	Synthetic filaments and the like A synthetic filament and a yarn composed thereof wherein the filament comprises at least two different incompatible synthetic linear high polymers, one being distributed as islands in the sea of the other polymer element when seen in cross-section, each i...	09/21/1982
4347203	Process for producing acrylic fiber An acrylic fiber having linen- or cotton-like feeling, dry feeling, a high hygroscopicity and a high water retentivity, which is characterized in that said fiber is covered on the outside with creases running along the fiber axis, adjacent creases being 0...	08/31/1982
4332762	Process for preparing a spreadable acrylic fiber tow Tows of highly entangled, continuous, eccentric bicomponent acrylic filaments in which the filaments have a density of about 1.0-1.17, an equilibrium crimp reversibility (ECR) of at least about 20% and a filament entanglement value greater than about 12 a...	06/01/1982
4307054	Process for the production of bi-component yarns The present invention relates to a process and a device for the production of bi-component yarns containing bilaminar and multilaminar filaments. Two polymer compositions are spun after feeding through a dichotomic mixer possessing tubes of identical internal ...	12/22/1981
4284598	Method for making bicomponent filaments The method for making bicomponent filaments from two spin dopes wherein the dopes are assembled into alternating layers in a feed tube leading to a transition tube connected to a conventional spinnerette, the layers then being fed through the transition t...	08/18/1981
4164437	Method of producing dialyzing membrane A dialyzing membrane, especially for hemodialysis, formed as a hollow fiber, tubular foil or flat sheet by regeneration of cellulose from a cuprammonium solution, the membrane comprising at least two firmly adhered cellulosic layers including at least one...	08/14/1979
4124673	Process for the production of bifilar acrylic fibres The invention relates to a process for the production of bifilar fibres and filaments consisting of only one acrylonitrile polymer. The polymer is dissolved in a usual solvent and the resulting solution is divided up into two solution streams. After these...	11/07/1978
3990437	Article and method of forming a support structure The article used and the method of forming a support structure, such as an orthopedic cast, comprising interlacing one or more flexible, pliable filaments having a photopolymerizable material enclosed entirely within the interior of the filaments so as to...	11/09/1976

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Class 264/172.16 - Into liquid bath (e.g., wet-spinning, etc.)