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序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
181 METHOD FOR SPINNING ANIONICALLY MODIFIED CELLULOSE AND FIBRES MADE USING THE METHOD US14003831 2012-03-08 US20140053995A1 2014-02-27 Ian Graveson
The present invention is directed towards a method for spinning anionically modified cellulose comprising the steps of: (a) preparing a suspension of the anionically modified cellulose in a continuous phase; (b) subjecting the suspension to high shear rate; (c) performing spinning by extruding the cellulose suspension through a spinneret into a spinbath comprising a cationic complexing agent, and (d) isolating the sun fibres from the spin bath; as well as fibres obtained based on the method of the invention and paper or board products derived from such fibres.
182 Winding tape and method of making winding tape US10345300 2003-01-16 US07182900B2 2007-02-27 Klaus Schwamborn; Walter Steffes
In a method for manufacturing a winding tape (10) of unsintered polytetrafluoroethylene wherein polytetrafluoroethylene powder is mixed with a lubricating or slip agent, the material is molded into a cylindrical blank (1) and the blank (1) is first extruded as a strand with small outer dimensions and subsequently calendered into the tape (10) in the forming gap (13) of a pair of rolls (8,9). The surface of at least one roll is deformed under compression during calendering of the round rope (6) into the tape.
183 Process for producing antimicrobial fiber US145211 1993-11-03 US5405644A 1995-04-11 Shuichi Ohsumi; Hideki Kato
A process for producing an antimicrobial fiber having a silver-containing inorganic microbicide characterized by using a treating solution for producing said fiber which contains a discoloration inhibitor represented by the following general formula: ##STR1## wherein R.sup.1 is hydrogen or a lower alkyl group and R.sup.2 is hydrogen or an alkali metal.
184 Temperature-adaptable textile fibers and method of preparing same US818567 1986-01-13 US4871615A 1989-10-03 Tyrone L. Vigo; Cynthia M. Frost
Temperature adaptable textile fibers are provided in which phase-change or plastic crystalline materials are filled within hollow fibers or impregnated upon non-hollow fibers. The fibers are produced by applying solutions or melts of the phase-change or plastic crystalline materials to the fibers.
185 Process for preparing silk-like polyester yarn US3705225D 1971-06-01 US3705225A 1972-12-05 TAYLOR ROBERT EDWARD
A SILK-LIKE APPEARANCE IS PROVIDED IN FABRIC BY POLYESTER YARN PREPARED BY MELT-SPINNING BRIGHT POLYMER CONTAINING SURFACE-MODIFYING AGENT THROUGH NON-ROUND SPINNERET ORIFICES TO PRODUCE ROUGH-SURFACEED FILAMENTS OF DIFFERENT CROSS-SECTIONS, AND DRAWING THE FILAMENTS TO 0.75-1.5 DENIER WITH A PART BEING SUBJECTED TO CONDITIONS DIFFERENT FROM OTHER FILAMENTS TO IMPART DIFFERENTIAL SHRINKABILITY. ALTERNATIVELY A DIFFERENT POLYMER COMPOSITION IS USED IN PART OF THE FILAMENTS TO IMPART DIFFERENTIAL SHRINKABILITY.
186 Brush filament and construction therefor US3605162D 1969-03-14 US3605162A 1971-09-20 LONG MACE E
A BRUSH FILAMENT OF POLYMERIC MATERIAL OF NOVEL COMPOSITION AND STRUCTURE PARTICULARLY ADAPTED FOR USE ON NONUNIFORM INTERRUPTED SURFACES SUCH AS VEHICLE SURFACES. A BRUSH FILAMENT OF LIGHT WEIGHT, LOW BREAKING STRENGTH, STRUCTURAL RIGIDLY SUFFICIET TO PROVIDE FULL CYLINDRICAL BRUSH CONFIGURATION AT RELATIVELY LOW RATIONAL SPEEDS, RESISTANCE TO WEAR AND FRAYING OR SPLITTING, AND FREEDOM FROM CURL AND MAINTENANCE OF SEPARATE DISCRETE FILAMENT RELATIONSHIP, THE FILAMENT INCLUDING A TUBULAR PORTION WITH SPACED LONGITUDINAL RIBS, THE RIB EDGES DEFINING PLANES TANGENT TO THE CONVEX SURFACES OF THE TUBULAR PORTION LYING BETWEEN SAID RIB EDGES.
187 Process for the manufacture of a draftable staple fiber band of high density and breaking length US38843064 1964-08-10 US3432889A 1969-03-18 NAEGELI WERNER
188 Spinnerette US38517764 1964-07-27 US3309734A 1967-03-21 BYNUM GEORGE D; SIMS NORMAN D
189 Regenerated cellulose fiber US14359781 2012-11-12 US11149367B2 2021-10-19 Haio Harms; Ingo Bernt; Walter Roggenstein
The invention relates to a regenerated cellulose fiber in the form of a solid viscose flat fiber having the following properties: The fiber consists of cellulose by more than 98%. The ratio of width B to thickness D of the fiber is 10:1 or higher. The fiber surface is essentially smooth. The fiber is essentially transparent. The fiber according to the invention is particularly suitable for the production of paper.
190 Method of forming a unitary down feather article having different density sections therein US15732532 2017-11-27 US10518488B2 2019-12-31 Ronie Reuben
A method of forming a single piece, shaped, down feather thermally insulating article having different thermal insulating sections is described. A mold is formed with a cavity defining a non-uniformed prescribed shape and having sections of different shapes and depths. Down feather clusters or a mixture thereof is mixed with a binding material and is injected into the mold which is then heated with a suitable heat source to cause the binding material to soften and fuse the mixture together. After cooling the mold, there is formed a single piece, shaped, down feather article which is comprised of sections having different thermal insulating values for use in a product where parts of the product provide different thermal insulating properties.
191 Radio opaque fibers, filaments, and textiles US14907403 2014-07-23 US10287710B2 2019-05-14 Michael Bastiao Rodrigues; Vivekananda Siddamalaigounder Krishnaswamy; Vasanth Kumar Sundaravadivelu; Anand Venkatachalam
A radio opaque fiber, filament, and yarn is disclosed herein. The radio opaque fiber, filament, or yarn comprises a matrix (102) comprising a plurality of radio opaque material (104) and a first polymer (106), where the radio opaque material (104) is at least one of a radio opaque element, an alloy of the radio opaque element, and a compound of the radio opaque element, or a combination thereof, wherein the radio opaque element if of an atomic number greater than or equal to 29, and wherein the matrix (102) forms a unified flexible structure. The radio opaque fiber, filament, or yarn further comprises a carrier polymer (108) which binds the plurality of the matrix (102) and imparts spinnability to form the fiber, filament, and yarn.
192 Anti-counterfeiting yarn and preparation method thereof US15289953 2016-10-10 US09725647B1 2017-08-08 Kwok Keung Chan; Chun Yu Yeung; Chin Ho So
An anti-counterfeiting yarn includes a uniformly distributed up-conversion fluorescent material and a polymer, wherein the up-conversion fluorescent material comprises a maximum weight percent of about 1.8%. A method of preparing an anti-counterfeiting yarn includes mixing functional polymer chips containing up-conversion fluorescent material with polymer chips not containing up-conversion fluorescent material in a ratio such that the fluorescent material is uniformly distributed in the mixture, melting the mixture, extruding the melt into filaments, and producing anti-counterfeiting yarn through spinning and drawing the filaments.
193 Filtration materials using fiber blends that contain strategically shaped fibers and/or charge control agents US14582287 2014-12-24 US09618220B2 2017-04-11 Rick L. Chapman
A filtration material comprising a blend of polypropylene and acrylic fibers of round, flat, dog bone, oval or kidney bean shape in any size from 0.08 to 3.3 Dtex. A preferred blend contains about 50 weight percent polypropylene fibers and about 50 weight percent acrylic fibers. The fibers can be blended ranging from 90:10 to 10:90 polypropylene to acrylic. The shape contains 25 weight percent round, flat, oval, dog bone and kidney bean shapes. The fiber blend contains 25 weight percent of at least one size between 0.08 and 3.3 Dtex. Electret fibers incorporated within these blends have 0.02 to 33 weight percent of a charge control agent. These fibers can be used in producing electret material by corona or triboelectric charging methods.
194 High Surface Area Fiber and Method of Construction Thereof US14484369 2014-09-12 US20150079390A1 2015-03-19 Eric K. Staudt
A high surface area fiber and method of construction thereof is provided. The high surface area fiber includes an inner fiber extending along a longitudinal central axis. The inner fiber has a plurality of legs extending lengthwise in generally parallel relation with one another and with the central axis. Each of the legs extends radially away from the central axis to a first peak. First channels are formed between adjacent legs in generally parallel relation with one another and with the central axis. At least some of the legs have protrusions extending laterally outwardly therefrom. The protrusions extend lengthwise in generally parallel relation with one another and with the central axis.
195 WATER-DISPERSIBLE AND MULTICOMPONENT FIBERS FROM SULFOPOLYESTERS US12975447 2010-12-22 US20110089600A1 2011-04-21 Rakesh Kumar Gupta; Scott Ellery George; Daniel William Klosiewicz; Kab Sik Seo; Coralie McKenna Fleenor; Allen Lynn Crain
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 measured at 240° C. at a strain rate of 1 rad/sec, and wherein the sulfopolyester comprising less than about 25 mole % of residues of at least one sulfomonomer, based on the total moles of diacid or diol residues. The multicomponent fiber is capable of being drawn at a relatively high fiber speed, particularly at least about 2000 m/min, and may be used to produce microdenier fibers. Fibrous articles may be produced from the multicomponent fibers and microdenier fibers. Also disclosed is a process for multicomponent fibers, nonwoven fabrics, and microdenier webs.
196 Optical fibre US10176951 2002-06-18 US06882788B2 2005-04-19 Andries Heero Van Bergen; Mattheus Jacobus Nicolaas Van Stralen; Mark Peter Marie Jetten
The present invention relates to an optical fibre mainly consisting of silica glass, which fibre comprises: i) an inner core having a first refractive index n1 and a first diameter a; ii) an outer core surrounding the outer circumference of the inner core and having a second refractive index n2 and a second diameter b; and iii) a cladding surrounding the outer circumference of the outer core, which cladding has a third refractive index n3, wherein n1>n2>n3.
197 Functional fiber products and process for producing the same US597836 1996-02-07 US5728461A 1998-03-17 Akihiro Nogata; Hideyuki Yamada; Masakazu Nomura
Functional fiber products are provided. The functional fiber products are those adhered thereto a protein containing 20% to 40% by weight of serine as an amino acid component and those adhered thereto sericin and deacetylated chitin.
198 Polyester fiber and process for the production thereof US302737 1994-09-09 US5565522A 1996-10-15 Bertram Bohringer; Diederich Schilo
A fiber predominantly composed of polyethylene terephthalate as fiber polymer, which contains 0.1 to 5% by weight, based on the fiber polymer, of a polyalkyl methacrylate, imidated up to 50 to 90%, predominantly in the form of inclusions. Also provided is a process for the production of melt-spun fibers, essentially composed of polyethylene terephthalate, by melting the fiber polymer and subsequent melt spinning, characterized in that the fiber polymer receives an admixture of 0.1 to 5% by weight, based on the fiber polymer, of a polymer only partially soluble in this and essentially composed of imidated polyalkyl methacrylates which are imidated up to 50 to 90% by reaction of polyalkyl methacrylates, the ester group of which contains an alcohol having 1 to 6 C atoms, with a primary amine having 1 to 3 C atoms, and the acid and/or anhydride content of which is less than 0.25 milliequivalents per gram and, possibly, other additives prior to the melt spinning.
199 Melt spinning process for polymeric filaments US857289 1986-04-30 US5034182A 1991-07-23 Benjamin C. Sze; George Vassilatos
A melt-spinning process for spinning polymeric filaments at a spinning speed controlled by a positive mechanical withdrawal means that increases the speed of the filaments to above 7,000 meters/minute whereby a drawing and necking down of the filaments occur below the spinning pack, directing a gas into a zone extending from the spinning pack to a location between the spinning pack and the withdrawal means, maintaining the zone under superatmospheric pressure of less than 0.03 kg/cm2 and increasing the velocity of the gas as it leaves the zone to a level greater than the velocity of the filaments to reduce the extent of necking down of the filaments.
200 Heat resistant organic synthetic fibers and process for producing the same US49253 1987-05-13 US4758649A 1988-07-19 Shoji Asano; Akio Ohmory; Akitsugu Akiyama; Masanori Osawa; Kohei Shizuka; Masahiro Kouno
Heat resistant organic fibers comprising a wholly aromatic polymer having amide group and/or imide group, said fibers having properties satisfying the following formulasTm.gtoreq.350.degree. C.,Tm-Tex.gtoreq.30.degree. C.Xc.gtoreq.10%DE.gtoreq.10%DSR(Tm).ltoreq.15%, and ##EQU1## wherein Tm is a melting point; Tex is an exotherm starting temperature; Xc is a degree or crystallization; DE is an elongation; DSR is a dry shrinkage factor at Tm; and DSR(Tm+55.degree. C.) is a dry shrinkage factor at Tm+55.degree. C. The process for producing the fibers is also disclosed.