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7413575 Nanofibrous biocomposite prosthetic vascular graft  
The present invention provides a bioactive, small-diameter (typically less than 6 mm in internal diameter) vascular graft prosthesis, and is a textile conduit preferably manufactured using a novel...
7390452 Electrospinning of polymer and mesoporous composite fibers  
The invention is directed to an apparatus and methods for electrospinning composite fibers including polymeric material and mesoporous molecular sieve material. The methods include in one aspect...
7384588 Process for making a flexible structure comprising starch filaments  
A process for making a flexible structure that includes at least a first region and a second region, each of the first and second regions having at least one common intensive property that differs...
7354546 Process of preparing continuous filament composed of nano fiber  
The present invention relates to a process of preparing a continuous filament composed of a nano fiber, wherein nano fibers are prepared by spinning a polymer spinning dope in a spinning dope main...
7332050 Electronic spinning apparatus, and a process of preparing nonwoven fabric using the same  
An electrospinning apparatus including a spinning dope main tank, a metering pump, a nozzle block, a collector positioned at the lower end of the nozzle block for collecting spun fibers, a voltage...
7297305 Electrospinning in a controlled gaseous environment  
Apparatus and method for producing fibrous materials in which the apparatus includes an extrusion element configured to electrospin a substance from which the fibers are to be composed by an...
7264762 Electrospinning ultrafine conductive polymeric fibers  
A process of making conductive polymeric fibers by electrospinning fibers from a blend of polymers dissolved in an organic solvent includes generating a high voltage electric field between...
7105124 Method, apparatus and product for manufacturing nanofiber media  
A unified arrangement for providing a unique nanofibrous porous media formed as a chemical compound from a water-soluble polymer combined with a cross-linking agent with a balance of water, which...
7029620 Electro-spinning process for making starch filaments for flexible structure  
A flexible structure includes a plurality of starch filaments. The structure includes at least a first region and a second region, each of the first and second regions having at least one common...
6991702 Electronic spinning apparatus  
An electrospinning apparatus including a spinning dope main tank, a metering pump, a nozzle block, a collector positioned at the lower end of the nozzle block for collecting spun fibers, a voltage...
6989125 Process of making a nonwoven web  
The present invention provides continuous fiber nonwoven webs with high material formation uniformity and MD-to-CD balance of fiber directionality and material properties, as measured by a MD:CD...
6783722 Apparatus and method for producing a nonwoven web of filaments  
Spunbond nonwoven fabrics are produced with an apparatus which comprises a spinnerette having a plurality of orifices for extruding filaments; an attenuator for receiving and attenuating the...
6713011 Apparatus and methods for electrospinning polymeric fibers and membranes  
An apparatus and method for electrospinning polymer fibers and membranes. The method includes electrospinning a polymer fiber from a conducting fluid in the presence of a first electric field...
6709623 Process of and apparatus for making a nonwoven web  
Improvements to processes and equipment for the manufacture of nonwoven webs useful in numerous applications including personal care, protective apparel, and industrial products. The fiber and/or...
6641773 Electro spinning of submicron diameter polymer filaments  
An electro spinning process yields uniform, nanometer diameter polymer filaments. A thread-forming polymer is extruded through an anodically biased die orifice and drawn through an anodically...
6287505 Self-tuning material and method for manufacturing the same  
Self-tuning materials which can efficiently emit or receive radio waves in spite of being simple in their construction and small in their dimension, and are applied to patch antenna, wave directors...
6277320 Melt spinning method and its apparatus  
A melt spinning apparatus that prevents filaments passing through an unstable area from contacting one another. In a melt spinning method for thinning and solidifying each molten filament F ejected...
6217308 Multicavity blow molding machine for producing hollow bodies  
A blow-molding apparatus has an ionization bar extending along the row of extruded parisons to dissipate electrostatic charge thereon. The ionization bar comprises a conductive strip received in an...
5840240 Method of making a silicone composite vascular graft  
A silicone/DACRON polyester composite vascular graft especially well suited as an arteriovenous (A-V) graft fistula for dialysis application. The graft has the ability to seal around needle...
5762857 Method for producing nonwoven web using pulsed electrostatic charge  
A method and apparatus is provided to cause deflection or oscillation of a bundle of spun thermoplastic filaments. A pulsing electrostatic charge and optionally an additional constant charge is...
5731011 Apparatus for forming a fibrous sheet  
An apparatus for adjusting the path that a web formed by striking a contoured surface baffle will take as it descends to a collection surface, in which the baffle is mounted on a pivot plate which...
5643524 Corona charging of flash spun plexifilamentary film-fibril webs in poor charging environments  
This invention relates to flash spinning a plexifilamentary film-fibril strand and laying it down into sheet material including the step of subjecting the strand to an electrostatic charge. The...
5558830 Wand purging for electrostatic charging system in flash spinning process  
This invention relates to a method and apparatus for sweeping dust and debris from the needles of a wand which is for applying an electrostatic charge to a plexifilamentary film-fibril web. The...
4842505 Apparatus for producing fibrous structures electrostatically  
Apparatus for producing a fibrous structure including electrostatically charged mandrels arranged around a delivery assembly for fiberizable material. The delivery assembly includes capillary...
4810319 Method of making a monofilament having on the surface embedded filamentons material  
A method for effecting the electrostatically enhanced and selectively directed deposition of short lengths of solid filamentous materials onto the surface of a downwardly flowing liquid...
4810180 Apparatus for the electrostatic treatment of monofilaments  
Apparatus for effecting the electrostatically induced thermal modification and disruptive surface deformation of liquid monofilamentous materials in a gaseous environment.
4798607 Process of crosslinking a polyurethane prosthesis with a haloalkylisocyante  
A process is disclosed for producing a medical prosthesis by forming the prosthesis from an uncrosslinked polyurethane and then at least partially crosslinking the polyurethane with a vaporizable...
4738740 Method of forming implantable vascular grafts  
Vascular grafts are provided that have an external surface which has a porous structure that is conducive to tissue ingrowth thereinto after the vascular graft has been implanted. The vascular...
4724106 Process for forming organic film  
A process for preparing an organic film comprising the steps of ejecting an organic material in a gaseous state from an injection nozzle into a vacuum region to form clusters due to adiabatic...
4592880 Process for producing a piezo- and pyro-electric film  
A process for producing a piezo- and pyro-electric film, which comprises biaxially stretching a single- or multi-layered thermoplastic film containing from 3 to 80% by volume, as an average based...
4592815 Method of manufacturing an electret filter  
The disclosed method provides an electret filter having a permanent electrostatic charge and formed of polymer fibers having an intrinsic viscosity of 1.5 or less. Fibers of the requisite viscosity...
4552707 Synthetic vascular grafts, and methods of manufacturing such grafts  
A synthetic vascular graft is made by electrostatically spinning an organic polymeric material or a precursor thereof and collecting the spun fibres on a rotating mandrel (13), the method...
4537733 Nonwoven fiber-sheet process  
A process is provided for reducing the size and number of undesirable gauge bands in wound-up rolls of wide nonwoven sheet that is produced by a plurality of oscillating fiber streams depositing...
4524036 Process for the manufacture of polyurethane resin for electrostatic spinning  
A process for the preparation of polyurethane resins particularly suitable for electrostatic spinning which comprises forming a prepolymer of polyether glycol and a diisocyanate reacted in a molar...
4486365 Process and apparatus for the preparation of electret filaments, textile fibers and similar articles  
A method for the production of electret filaments or fibers from high molecular weight substances is described which consists of melting the substances and extruding them through die orifices,...
4476072 Processing masses of substantially organic material into shaped products and articles shaped accordingly  
Shaped articles in thin-walled form, such as threads, membranes, sheets and tubes and particularly material for encasing sausage, are produced from a shapable mass containing in aqueous dispersion...
4352650 Nozzle for flash-extrusion apparatus  
An improved nozzle is provided for the spinneret pack of an apparatus for flash-extruding a polymer solution to form a plexifilamentary strand. The improved nozzle contains a flared tunnel that is...
4345414 Shaping process  
A process for setting in a desired shape a product at least a portion of which comprises electrostatically spun fibres is disclosed. The process comprises maintaining the product in the desired...
4215682 Melt-blown fibrous electrets  
A persistent electric charge is introduced into melt-blown fibers during the melt-blowing process. When these charged fibers are incorporated into fibrous webs, they provide unique properties,...
4148851 Process for producing thermoplastic polymer sheets  
A process for producing a thermoplastic polymer sheet, especially that of polyethylene terephthalate, which comprises extruding a molten thermoplastic polymer through an extrusion die in the form...
4071589 Quenching of polymeric film  
In the electrostatic pinning of molten polymeric film, especially polyethylene terephthalate film, to a quenching drum, the insulators for those parts of the pinning electrode positioned outside...
3689608 PROCESS FOR FORMING A NONWOVEN WEB  
A process for spreading, electrostatically charging, and forwarding a fibrous web concomitantly formed with a vapor blast. The web is charged by passing it through a highly ionized zone created by...
3626041 APPARATUS AND PROCESS FOR MAKING CONTINUOUS FILAMENT  
A process for making a continuous filament from discrete particulate matter including particles and fibers and mixtures thereof which may be initially packed and oriented in any random fashion. The...
3607998 METHOD FOR PRODUCING HOLLOW ARTICLES  
A generally hollow article is produced by coating a flexible bladder with material, integrating the material into a unitary structure, and thereafter removing the bladder therefrom. The apparatus...
3593074 APPARATUS AND PROCESS  
A process for preparing fibrous sheets of organic synthetic polymers in which a filamentary web is entrained in a gaseous stream flowing in a path toward a receiving surface and the web is...
T871003 Title is not available  
T867003 Title is not available  
3448000 COATED PAPER AND METHOD OF PRODUCING THE SAME  
3436442 PROCESS AND APPARATUS FOR MANUFACTURING FLOCKED FABRIC  
3433857 METHOD AND APPARATUS FOR FORMING NONWOVEN SHEETS  
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