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An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 7902094 | Water-dispersible and multicomponent fibers from sulfopolyesters Disclosed are water-dispersible fibers derived from sulfopolyesters having a Tg of at least 25° C. The fibers may contain a single sulfopolyester or a blend of a sulfopolyester with a water-dispersible or water-nondispersible polymer. Also disclosed are multicompon... | 03/08/2011 |
| 7892993 | Water-dispersible and multicomponent fibers from sulfopolyesters Disclosed are multicomponent fibers derived from a blend of a sulfopolyester with a water non-dispersible polymer wherein the as-spun denier is less than about 6 and wherein the water dispersible sulfopolyester exhibits a melt viscosity of less than 12,000 poise mea... | 02/22/2011 |
| 7829486 | Stretchable leather-like sheet substrate and process for producing same The leather-like sheet substrate of the present invention comprises a fiber-entangled nonwoven fabric that comprises a microfine fiber bundle (A) and a microfine fiber bundle (B) in a blending ratio (A)/(B) of 30/70 to 70/30 by mass and a polymeric elastomer contain... | 11/09/2010 |
| 7612000 | Modacrylic shrinkable fiber and method for manufacturing the same A modacrylic shrinkable fiber according to the present invention is containing a polymer composition obtained by mixing 50 to 99 parts by weight of a polymer (A) containing 40 wt % to 80 wt % of acrylonitrile, 20 wt % to 60 wt % of a halogen-ontaining monomer and 0 ... | 11/03/2009 |
| 7402539 | Battery separator Disclosed is a battery separator consisting essentially of a nonwoven fabric having a substantially unilayered structure, wherein an apparent total surface area of fibers per a surface density of the nonwoven fabric is 20 m2 or more, a thickness of the no... | 07/22/2008 |
| 7264641 | Polishing pad comprising biodegradable polymer The invention is directed to a polishing pad for use in chemical-mechanical polishing comprising a biodegradable polymer. The biodegradable polymer comprises a repeat unit selected from the group consisting of glycolic acid, lactic acid, hydroxyalkanoic acids, hydro... | 09/04/2007 |
| 7191501 | Differentially entangled nonwoven fabric The invention is directed to a hydroentangled nonwoven fabric, the outer surface of which exhibits highly entangled fibers whereas the inner layer exhibits lightly entangled fibers. In particular, the present invention contemplates that a fabric is formed from a fib... | 03/20/2007 |
| 7070884 | Separator with improved barrier performance The present invention is directed to a nonwoven composite fabric for use on batteries or fuel cells comprising one or more layers of fine denier spunbond filaments and at least one layer of barrier material, wherein said nonwoven composite fabric has an improved bar... | 07/04/2006 |
| 7011753 | Microporous filter media, filtration systems containing same, and methods of making and using The invention is directed to a microbiological interception enhanced filter medium, preferably having an adsorbent prefilter located upstream from the filter medium. Preferably, the prefilter is adapted to remove natural organic matter in an influent prior to the in... | 03/14/2006 |
| 7008537 | Microporous filter media, filtration systems containing same, and methods of making and using The invention is directed to a microbiological interception enhanced filter medium, preferably having an adsorbent prefilter located upstream from the filter medium. Preferably, the prefilter is adapted to remove natural organic matter in an influent prior to the in... | 03/07/2006 |
| 6998058 | Microporous filter media, filtration systems containing same, and methods of making and using The invention is directed to a microbiological interception enhanced filter medium, preferably having an adsorbent prefilter located upstream from the filter medium. Preferably, the prefilter is adapted to remove natural organic matter in an influent prior to the in... | 02/14/2006 |
| 6964931 | Method of making continuous filament web with statistical filament distribution The present invention is directed to a method of making a substantially continuous filament web which includes providing a plurality of polymer extruders for supplying polymer streams of at least two different polymer compositions, and providing a spinneret assembly... | 11/15/2005 |
| 6959820 | Microporous filter media, filtration systems containing same, and methods of making and using The invention is directed to a microbiological interception enhanced filter medium, preferably having an adsorbent prefilter located upstream from the filter medium. Preferably, the prefilter is adapted to remove natural organic matter in an influent prior to the in... | 11/01/2005 |
| 6921508 | Method for the production of microfibrous suede-finish non-woven fabric without using organic solvents A method of preparation of microfibrous non-woven fabric of the suede-finish type comprising the steps of: spinning of a bi-component fiber of the “islands in the sea” type in which the “island” comprises a polymer chosen from among those employed in textile... | 07/26/2005 |
| 6900148 | Leather-like sheet material A leather-like sheet material comprising a substrate layer composed of an entangled nonwoven fabric consisting of ultrafine fibers and an elastic polymer or elastomer filled therein and having, on one side (side A) of the substrate layer, a grain layer comprising an... | 05/31/2005 |
| 6781027 | Mixed denier fluid management layers A nonwoven surge material for personal care products, which is a nonwoven fabric made of a homogeneous blend of large and small denier fibers. The small or first denier fiber preferably has an average denier less than 2, is at least 3 denier less than the second or ... | 08/24/2004 |
| 6767853 | Fibrous substrate for artificial leather and artificial leather using the same A fibrous substrate for artificial leather, containing microfine fiber bundles, each of which is composed of 3-50 microfine fibers (A) containing an elastic polymer and having an average fineness of 0.5 denier or less and 15 or more microfine fibers (B) containing a... | 07/27/2004 |
| 6716775 | Range-dyed face finished fabrics exhibiting non-directional surface fiber characteristics Range-dyed fabrics that possess excellent hand characteristics and simultaneously exhibit substantially nondirectional appearances are provided. Such a combination permits the production and utilization of an extremely comfortable apparel fabric that can be attached... | 04/06/2004 |
| 6716776 | Nonwoven fabric made from filaments and artificial leather containing it A nonwoven fabric made of filaments, which comprises filaments formed from a fiber-forming thermoplastic polymer and satisfies all of the following conditions (A) to (D). (A) The fiber bundles are present in a range of 5-70 per centimeter in any cross-section... | 04/06/2004 |
| 6716778 | Seam joining a waterproof laminate with textile layer made of multi-component yarns The invention discloses a textile laminate (1, 400, 450) with a first layer (5) comprising a waterproof and preferably breathable functional layer (10, 20) and a second layer (30) comprising at least a first component and a second compone... | 04/06/2004 |
| 6649547 | Integrated nonwoven laminate material An integrated nonwoven laminate material suitable for use as a filter medium having a microfiber layer integrated with a low loft multicomponent spunbond layer and a high loft multicomponent spunbond layer and a method of producing the integrated nonwoven... | 11/18/2003 |
| 6624100 | Microfiber nonwoven web laminates The present invention provides a web containing superfine microfibers. The web contains a blend of a first group of split microfibers which contains a first polymer component and a second group of split microfibers which contains a second polymer componen... | 09/23/2003 |
| 6607825 | Metal film bonded body, bonding agent layer and bonding agent As a technique capable of stably providing various metal film adhered bodies for printed circuit boards having an excellent peel strength even in the wiring having higher density and higher pattern accuracy and other industrial parts, there are provided a... | 08/19/2003 |
| 6583075 | Dissociable multicomponent fibers containing a polyacrylonitrile polymer component Disclosed are melt processable multicomponent fibers in which at least one component includes a polyacrylonitrile polymer and at least one component includes a fugitive polymer. The melt processable multicomponent fibers of the present invention may be se... | 06/24/2003 |
| 6576576 | Multicomponent fibers The present invention is directed to multicomponent fibers having poly(ethylene oxide) in at least a portion of the exposed surface of the fiber. In one embodiment, the PEO is a grafted poly(ethylene oxide). The multicomponent fibers of the present may be... | 06/10/2003 |
| 6555490 | Lining material The invention features a lining material for footwear. The material includes a non-woven felt including up to 80% by weight of grooved or multi-lobed cross section transport fibers and the remainder of thermally bondable fibers arranged to secure the tran... | 04/29/2003 |
| 6548431 | Melt spun polyester nonwoven sheet This invention provides a process for making a nonwoven sheet of substantially continuous melt spun fibers by extruding melt spinnable polymer containing at least 30% by weight low IV poly(ethylene terephthalate), drawing the extruded fiber filaments at a... | 04/15/2003 |
| 6516472 | Nonwoven fabrics and fabric laminates from multiconstituent polyolefin fibers Nonwoven fabrics and fabric laminates are formed from continuous filaments or staple fibers of a select blend of specific grades of polyethylene and polypropylene which give improved fabric performance not heretofore recognized or described, such as high ... | 02/11/2003 |
| 6465378 | Nonwoven fabrics and fabric laminates from multiconstituent polyolefin fibers Nonwoven fabrics and fabric laminates are formed from continuous filaments or staple fibers of a select blend of specific grades of polyethylene and polypropylene which give improved fabric performance not heretofore recognized or described, such as high ... | 10/15/2002 |
| 6448194 | Nonwoven fabrics and fabric laminates from multiconstituent polyolefin fibers Nonwoven fabrics and fabric laminates are formed from continuous filaments or staple fibers of a select blend of specific grades of polyethylene and polypropylene which give improved fabric performance not heretofore recognized or described, such as high ... | 09/10/2002 |
| 6309988 | Biodisintegratable nonwovens with improved fluid management properties Disclosed is a biodisintegratable nonwoven material having improved fluid management properties. The biodisintegratable nonwoven material demonstrates a higher contact angle hysteresis, quicker intake times, and improved skin dryness as compared to prior ... | 10/30/2001 |
| 6306782 | Disposable absorbent product having biodisintegratable nonwovens with improved fluid management properties Disclosed is a biodisintegratable nonwoven material having improved fluid management properties. The biodisintegratable nonwoven material demonstrates a higher contact angle hysteresis, quicker intake times, and improved skin dryness as compared to prior ... | 10/23/2001 |
| 6284680 | Nonwoven fabric containing fine fibers, and a filter material A nonwoven fabric prepared from fibers which are not substantially fibrillated and have a diameter of less than 20 μm, by fusing a fiber web comprising fine fibers having a diameter of 4 μm or less, and adhesive fibers having a diameter ranging from 8 ... | 09/04/2001 |
| 6274521 | Spun nonwoven fabric and apparatus for the manufacture thereof A spun nonwoven fabric contains monofilaments and bicomponent filaments, the spun nonwoven fabric having, over its cross section, different quantities of the bicomponent filaments. The bicomponent filaments contain at least two outward-facing segments mad... | 08/14/2001 |
| 6207602 | Nonwoven fabrics and fabric laminates from multiconstituent polyolefin fibers Nonwoven fabrics and fabric laminates are formed from continuous filaments or staple fibers of a select blend of specific grades of polyethylene and polypropylene which give improved fabric performance not heretofore recognized or described, such as high ... | 03/27/2001 |
| 6107219 | Breathable backing for an adhesive article There is provided pressure-sensitive adhesive coated breathable nonwoven tape backing substrate where the nonwoven tape backing comprises a fibrous nonwoven web formed in part by multicomponent fibers having an adhesive component region. The multicomponen... | 08/22/2000 |
| 6100208 | Outdoor fabric An outdoor protective fabric is disclosed having (i) a UV stable outer nonwoven web of multicomponent sheath/core fibers having a polyethylene polymer sheath component and a polypropylene polymer core component; (ii) a breathable barrier layer such as a m... | 08/08/2000 |
| 5942451 | Antiskid fabric Improved nonwoven fabrics comprise a web of randomly disposed, substantially continuous filaments comprising a multi-phase, thermoplastic, elastomeric olefin copolymer. The webs exhibit improved friction and/or softness and hand properties.... | 08/24/1999 |
| 5935883 | Superfine microfiber nonwoven web The present invention provides a web containing superfine microfibers. The web contains a blend of a first group of split microfibers which contains a first polymer component and a second group of split microfibers which contains a second polymer componen... | 08/10/1999 |
| 5916678 | Water-degradable multicomponent fibers and nonwovens Disclosed herein are multicomponent fibers wherein at least one component will permit bonding of the fibers to themselves and other types of fibers and wherein the same first component is also degradable in an aqueous medium. Such fibers can be used to fo... | 06/29/1999 |
