Patents for D01D 5 - Formation of filaments, threads, or the like (22,778)
06/1991
06/18/1991US5024797 Processes for the production of mono- and multifilaments and staple fibers based on polyarylene sulfides
06/13/1991WO1991008330A1 Crimped multifilament and production thereof
06/12/1991EP0431801A2 A process for flash spinning polyolefins
06/11/1991US5023035 Cyclic tensioning of never-dried yarns
06/11/1991US5023025 Halocarbons for flash-spinning polymeric plexifilaments
06/05/1991EP0430227A2 Elastic synthetic polymer filament with multi-lobated cross-sectional profile
06/04/1991US5021288 Microfibers of syndiotactic vinyl aromatic polymers, nonwoven mats of the microfibers
06/04/1991CA1284567C Method of producing polypropylene yarns and apparatus for carrying out the method
05/1991
05/29/1991CN1051767A High tenacity, high modulus polyamide yarn and process for making same
05/28/1991US5019449 Spinneret and yarn produced thereby
05/28/1991US5019316 Method for producing thermoplastic synthetic yarn
05/28/1991CA1284411C Extrusion process and an extrusion die with a central air jet
05/22/1991EP0423249A4 Extrusion of hollow fibre membranes
05/22/1991CN1051596A Process for preparing polyethylene plexifilamentary film-fibril strands
05/21/1991US5017116 Spinning pack for wet spinning bicomponent filaments
05/14/1991US5015428 Pan dry spinning process of increased spinning chimney capacity using superheated steam as the spinning gas medium
05/14/1991US5015278 Open bottomed spinner for mineral fibers
05/09/1991WO1991007530A2 Method and apparatus for providing uniformly distributed filaments from a spun filament bundle and spunbonded fabric obtained therefrom
05/09/1991CA2040434A1 Method and apparatus for providing uniformly distributed filaments from a spun filament bundle and spunbonded fabric ob tained therefrom
05/08/1991EP0425629A1 Yarn made from core-skin threads and process for manufacturing it
05/07/1991US5013767 Membrane formind dope, aromatic polysulfone, solvent
05/07/1991US5013506 Process for producing polyester fibers
05/07/1991US5013504 Polyacrylonitrile fibers
05/07/1991US5013502 Continuous production of acrylonitrile filaments and fibers from spinning material of low residual solvent content
05/07/1991US5013439 Microporous membranes having increased pore densities and process for making the same
04/1991
04/30/1991US5011644 Spinning polymer solution to solidify, crosslinking fiber
04/30/1991US5011643 Process for making oriented, shaped articles of para-aramid/thermally-consolidatable polymer blends
04/30/1991US5011523 Process and device for producing a yarn or ribbon formed from reinforcement fibers and a thermoplastic organic material
04/24/1991EP0423807A1 Low shrinkage, high tenacity poly (epsilon-caproamide) yarn and process for making same
04/24/1991EP0423806A1 High tenacity, high modulus polyamide yarn and process for making same
04/24/1991EP0423278A1 Process for the production of fine monofilaments, and a monofilament produced by this process.
04/24/1991EP0423249A1 Extrusion of hollow fibre membranes.
04/24/1991EP0423213A1 Dimensionally stable polyester yarn for high tenacity treated cords.
04/24/1991CN2075658U Rereeling "returning silk" automatic anti-double silk device
04/23/1991US5009830 On-line fiber heat treatment
04/23/1991US5009829 Mixing with bis(hetenimine)
04/23/1991US5009820 Flash spinning mixture of polyphenylene terephthalamide, carbon dioxide and water
04/23/1991CA1283262C Laser assisted fiber growth
04/21/1991CA2028063A1 High tenacity, high modulus polyamide yarn and process for making same
04/21/1991CA2028062A1 Low shrinkage, high tenacity poly(epsilon-caproamide) yarn and process for making same
04/17/1991EP0408688A4 Porous membranes
04/17/1991CN1050748A Pvp/para-aramid fibers and process for making them
04/16/1991CA1282924C Electroconductive composite fiber and process for preparation thereof
04/11/1991DE4031608A1 Paper-making blanket yarn - has side sections extending from centre to overlap for permeability and weave in place without distortion
04/10/1991EP0421734A2 Conjugate fibres and products formed from them
04/10/1991EP0421387A2 Heat-resistant plastic optical fiber and process for the production thereof
04/10/1991CA2026750A1 Yarn
04/09/1991US5006057 Modified grooved polyester fibers and spinneret for production thereof
04/04/1991WO1990012130A3 Fibers capable of spontaneously transporting fluids
04/03/1991EP0420832A2 Asymmetric gas separation membranes having improved strength
04/03/1991EP0420772A1 Flat textile article comprising a flexible carrier and a polymer layer and tied on said carrier and process for preparation
04/03/1991EP0287604B1 Process for manufacturing a smooth polyester yarn and polyester yarn manufactured by this process
04/02/1991CA1282214C Aromatic polyamide fibers and process for stabilizing such fibers
03/1991
03/28/1991DE4018050A1 Regulation of the dia. of extruded cable - automatically measures dia., draw=off speed and material flow rate and to allow for shrinkage from hot or cold state
03/28/1991CA2026242A1 Asymmetric gas separation membranes having improved strength
03/27/1991EP0419007A1 Countercurrent dehydration by hollow fibers
03/27/1991CN2073883U Nitrogen-filled heat equilizing powder-removing hopper
03/26/1991US5003036 Yarn with improved hydrolytic stability from aromatic polyamide comprising chloroterephthalamide units
03/26/1991US5002590 Gases, support fibers of high air permeability
03/26/1991US5001813 Staple fibers and process for making them
03/26/1991CA1281865C Nylon yarn for brushed fabrics
03/26/1991CA1281864C Nonwoven web with improved softness
03/20/1991EP0418082A1 Membrane fabrication
03/20/1991EP0417832A1 Method for producing yarn for fields of artificial grass and field of artificial grass produced with this yarn
03/20/1991CN2073425U Line forming device of high polymer
03/19/1991US5000899 Polyetherurethane copolymers chain extended with diamines
03/19/1991US5000898 Process for making oriented, shaped articles of lyotropic polysaccharide/thermally-consolidatable polymer blends
03/16/1991WO1991004092A1 Membrane fabrication
03/16/1991CA2040409A1 Membrane fabrication
03/12/1991US4999245 Water absorbancy
03/12/1991US4999243 Far infrared radiation composite fibers, cores of polyamides, sheaths of alumina, zirconia or titanium oxide
03/07/1991DE4022898A1 Core-mantle melt spinning appts.
03/06/1991EP0415783A2 Thermal treatment of thermoplasticc filaments and filaments
03/06/1991EP0415759A2 Split fibers, integrated split fiber articles and method for preparing the same
02/1991
02/28/1991DE3927787A1 Composite membrane contg. thermoplastic polymer - useful in pervaporation and gas separation processes
02/27/1991EP0414498A2 Process for preparing polyethylene plexifilamentary film-fibril strands
02/27/1991EP0413688A1 Method and apparatus for making profiled multi-component fibers.
02/26/1991US4996107 Improved ink transport
02/26/1991CA1280564C Hollow fiber
02/24/1991CA2023691A1 Composite membrane, its use and processes for pervaporation and gas separation using this composite membrane
02/20/1991EP0413007A1 Earthquake-resistant insulator for buildings
02/20/1991CN2071651U Mould head of double plain film for plastics drawing spinning machine set
02/19/1991CA1280267C Synthetic water-dispersible fiber
02/19/1991CA1280266C Water-dispersible synthetic fiber
02/19/1991CA1280265C High tenacity polyhexamethylene adipamide yarn having ribbon cross-section filaments
02/13/1991CN1049194A Apparatus for spinning of core/sheath fibres
02/13/1991CN1049193A Yarn formed from core sheath filaments and production thereof
02/13/1991CN1049108A Extrusion of hollow fibre membranes
02/12/1991US4992485 Microporous peek membranes and the preparation thereof
02/12/1991US4992221 Asymmetric gas separation membranes having improved strength
02/12/1991CA1280232C Polyester-based spandex filament
02/07/1991WO1991001339A1 Film, fiber, and microporous membranes prepared from poly(etheretherketone) dissolved in high boiling point polar organic solvents
02/05/1991US4990297 Flowing melt through opening in nozzle plate to form stream; directing coolant radial outward
02/05/1991US4990294 Process for producing fluorocarbon membranes and membrane product
01/1991
01/29/1991US4988560 Oriented melt-blown fibers, processes for making such fibers, and webs made from such fibers
01/29/1991US4988270 Apparatus for cooling and conditioning melt-spun material
01/24/1991WO1991000935A1 Porous fiber and production thereof
01/23/1991EP0409581A2 Hot-melt-adhesive, micro-fiber-generating conjugate fibers and a woven or non-woven fabric using the same
01/23/1991EP0409207A2 Apparatus for spinning core-skin fibres
01/23/1991EP0408994A1 Process for the preparation of flatyarn