Quotables
"One of the greatest labor saving inventions of today is tomorrow!"
Vincent T. Floss
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7255820 | Process for the manufacture of elastic polyurethane fiber and the elastic polyurethane fiber made thereby Disclosed is a process for the manufacture of an elastic polyurethane fiber, including mixing one component selected from among polystyrene polymers or polystyrene copolymers having a number average molecular weight of 50,000–500,000 with polyurethane having a num... | 08/14/2007 |
| 7115224 | Process for making acid dye stain-resistant fibers Acid dye stain-resistant fibers which are formed from a polyamide composition containing a mixture of a masterbatch concentrate, a fiber-forming polyamide and a polymer, the masterbatch concentrate including a carrier and a reagent having the formula: | 10/03/2006 |
| 6861480 | Yarn-forming composition of polyamide and sulfonated acid dye disabler An acid dye stain-resistant fiber-forming polyamide composition comprising a fiber-forming polyamide and a reagent, at least a portion of which associates with free acid dye sites in the polyamide, thereby disabling the acid dye sites in fibers formed from the compo... | 03/01/2005 |
| 6776858 | Process and apparatus for making multicomponent meltblown web fibers and webs A process for forming multiple component meltblown fibers by extruding a first distinct melt-processable polymer through a row of first extrusion orifices, simultaneously extruding a second distinct melt-processable polymer through a row of second extrusion orifices... | 08/17/2004 |
| 6752947 | Method and apparatus for thermal bonding high elongation nonwoven fabric A method of forming a thermally bonded, nonwoven polypropylene fabric is provided and includes passing a web of thermally bondable skin-core polypropylene fibers through a calender nip under heat and pressure to produce a nonwoven fabric having elongation. The patte... | 06/22/2004 |
| 6753385 | Fiber-forming polyamide and sulfonated acid for disabling acid dye sites An acid dye stain-resistant fiber-forming polyamide composition comprising a fiber-forming polyamide and a reagent, at least a portion of which associates with free acid dye sites in the polyamide, thereby disabling the acid dye sites in fibers formed from the compo... | 06/22/2004 |
| 6709996 | Crimped multicomponent filaments and spunbond webs made therefrom Spunbond multicomponent filaments and nonwoven webs made from the filaments are disclosed. In accordance with the present invention, the multicomponent filaments contain a crimp enhancement additive. Specifically, the crimp enhancement additive is added to the polym... | 03/23/2004 |
| 6680018 | Melt extrusion spinning polyamide fibers with sulfonated reagent and thermoplastic carrier A method of producing a stain-resistant and soil-resistant polyamide yarn comprises the steps of (a) melt compounding a sulfonated aromatic acid with a thermoplastic polyester or polyamide carrier resin to form a concentrate; (b) adding said concentrat... | 01/20/2004 |
| 6537475 | Melt extrusion spinning polyamide fibers with sulfonated reagent An acid dye stain-resistant fiber-forming polyamide composition comprising a fiber-forming polyamide and a reagent, at least a portion of which associates with free acid dye sites in the polyamide, thereby disabling the acid dye sites in fibers formed fro... | 03/25/2003 |
| 6506327 | Process of making monofilaments In a method for producing a monofilament with reduced secondary binding forces of at least two commonly extruded polymers for the production of bristles or interdental cleaners which are slittable substantially axially through the action of mechanical for... | 01/14/2003 |
| 6454989 | Process of making a crimped multicomponent fiber web The present invention provides continuously crimped propylene polymer nonwoven fabrics as well as processes for forming crimped multicomponent propylene polymer fibers by melt-attenuating extruded multicomponent fibers with heated or unheated air wherein ... | 09/24/2002 |
| 6332994 | High speed spinning of sheath/core bicomponent fibers Processes whereby sheath/core bicomponent fibers are melt-spun at relatively high spinning rates. In particularly preferred forms, polyamide sheath/core bicomponent fibers are made at melt-spinning speeds of about 4000 meters per minute or greater, and mo... | 12/25/2001 |
| 6332993 | Process of making heat-retaining fibers A method for making heat-retaining fiber and fabrics. According to the present invention, the white conductive particles and the white particles with good radiating efficiency of far-infrared radiation are added in fiber-forming polymers to obtain the mix... | 12/25/2001 |
| 6331264 | Low emission polymer compositions The invention comprises polymer compositions containing 3-hydroxypropanoxy terminated polymer that exhibit reduced levels of degradation product emissions during processing, by contacting the polymer in the molten state with a melt stable, organic nitroge... | 12/18/2001 |
| 6162382 | Process of making multicomponent fiber Multicomponent fibers and methods of producing the same are provided such that an inter-domain boundary layer is interposed between distinct domains formed of incompatible polymers so as to minimize (if not eliminate entirely) separation of the domains at... | 12/19/2000 |
| 6153138 | Process for modifying synthetic bicomponent fiber cross-sections Bicomponent fibers of different cross-sections may be formed without changing the geometry of the spinneret orifices. More specifically, at least two polymers are co-melt-spun through an orifice of fixed geometry so as to achieve a bicomponent fiber havin... | 11/28/2000 |
| 6136436 | Soft silky large denier bicomponent synthetic filament A method for producing a yarn for constructing non-carpet textile articles which comprises producing a large denier synthetic carpet face yarn by a bulked continuous filament or bulked crimped filament sheath-core extrusion process. The yarn has a denier ... | 10/24/2000 |
| 6127480 | Dyeable polyolefin containing polyetheramine modified functionalized polyolefin This invention concerns a composition comprising a blend of polyolefin with the reaction of a functionalized polyolefin and polyetheramine in which the polyetheramine is grafted into the functionalized polyolefin in a customary mixing apparatus. A process... | 10/03/2000 |
| 6074590 | Process of making a bicomponent fiber Bicomponent fibers of isotactic polypropylene and syndiotactic polypropylene, methods of making such fibers and products made thereof.... | 06/13/2000 |
| 6039903 | Process of making a bicomponent fiber Novel bicomponent fibers have a polyamide domain and a contaminant-containing polymer domain which is embedded entirely within, and thereby completely surrounded by, the polyamide domain. The preferred bicomponent fibers have a sheath-core structure where... | 03/21/2000 |
| 6017478 | Method of making hollow bicomponent filaments Novel bicomponent fibers have a sheath domain and an core domain which is embedded entirely within, and thereby completely surrounded by, the polyamide domain. The core domain is annular and defines a longitudinally extending central void. The preferred b... | 01/25/2000 |
| 6017479 | Process of making a multiple domain fiber having an inter-domain boundary compatibilizing layer Multicomponent fibers and methods and apparatus for producing the same are provided such that an inter-domain boundary layer is interposed between distinct domains formed of incompatible polymers so as to minimize (if not eliminate entirely) separation of... | 01/25/2000 |
| 6010654 | Method of making multiple domain fibers Multicomponent fibers have a primary core, and multiple secondary cores equidistantly radially spaced from one another and from the primary core. The primary and secondary cores are entirely embedded within (and thus completely encased by) a primary sheat... | 01/04/2000 |
| 5985193 | Process of making polypropylene fibers Process of producing skin-core fibers and the resulting fibers and nonwoven materials and articles wherein the fibers are composed of a polymer blend of a polyolefin and polymeric bond curve enhancing agents, such as ethylene vinyl acetate polymers.... | 11/16/1999 |
| 5985999 | Dyeable polyolefin containing polyetheramine modified functionalized polyolefin This invention concerns a composition comprising a blend of polyolefin with the reaction of a functionalized polyolefin and polyetheramine in which the polyetheramine is grafted into the functionalized polyolefin in a customary mixing apparatus. A process... | 11/16/1999 |
| 5977267 | Process for modifying aliphatic polyamides with polyurea The end groups of an aliphatic polyamide may be changed by reacting a polyurea with a molten aliphatic polyamide at temperatures of about 260° C. or more. Carboxyl end groups are controllably converted to amine end groups. This is especially useful for c... | 11/02/1999 |
| 5919410 | Method of fiber splitting for conjugated fiber A method for fiber splitting for conjugated fiber, which includes the steps of i) preparing polymers: charging a first polymer and a second polymer respectively into corresponding extruders and adding a nucleated agent, releasing agent or catalyst into on... | 07/06/1999 |
| 5906891 | Oriented polyamide fiber and process for producing same An oriented polyamide fiber which comprises at least 20% by weight of a crystalline polyamide copolymer (A) produced by polymerizing at least one diamine monomer containing at least 70 mol % m-xylylenediamine and at least one dicarboxylic acid monomer con... | 05/25/1999 |
| 5882793 | Oriented polyamide fiber and process for producing same There are disclosed oriented polyamide fiber which comprises at least 20% by weight of a crystalline polyamide or a copolymerized polyamide each produced by polymerizing a monomer containing m-xylylenediamine as a diamine component and adipic acid as a di... | 03/16/1999 |
| 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 |
| 5849232 | Process for producing highly oriented undrawn polyester fibers A process for preparing highly oriented undrawn core-sheath type conjugated polyester fibers including the step of spinning a polyester as the sheath polymer and a polymer having a larger gradient of elongational viscosity with the temperature than that o... | 12/15/1998 |
| 5811040 | Process of making fiber for carpet face yarn The specification describes a process of making a fiber for a carpet face yarn, the yarn being made of polyolefin/polymer filaments which contain a plurality of longitudinally dispersed relatively small, short polymer fibrils inside the filaments generall... | 09/22/1998 |
| 5702658 | Bicomponent polymer fibers made by rotary process In a method for making bicomponent polymer fibers, first and second molten polymers are supplied to a rotating spinner having an orificed peripheral wall. The molten polymers are centrifuged through the orifices as molten bicomponent polymer streams. The ... | 12/30/1997 |
| 5698148 | Process for making electrically conductive fibers Electrically conductive thermoplastic fibers are made by spinning a fiber having an electrically conductive sheath of thermoplastic polymer formulated with carbon black and a non-conductive core from the thermoplastic polymer; quenching the fiber after sa... | 12/16/1997 |
| 5651928 | Process for melt mixing and spinning synthetic polymer Synthetic polymers are melt-mixed and spun from a mixture of respective first and second polymer melt flows. Specifically, the mixture of first and second polymer melt flows are mixed at a fluidic mixing device having a mixing intersection which receives ... | 07/29/1997 |
| 5632944 | Process of making mutlicomponent fibers A process for producing multicomponent fibers provides a dispersion of a particulate additive or chemical compound in a nonaqueous liquid carrier; forms a blend of a first thermoplastic polymer and the dispersion by injecting the dispersion into an extrud... | 05/27/1997 |
| 5626643 | Contact drying of fibers to form composite strands A method and apparatus are provided for producing composite strands. The apparatus comprises a heated bushing for supplying streams of molten glass to be drawn into continuous first fibers; a drawing device adapted to draw the streams into the first fiber... | 05/06/1997 |
| 5587118 | Process for making fiber for a carpet face yarn The specification describes a conjugate carpet face yarn including trilobal or delta cross-section polyolefin filaments and a plurality of generally co-linear smaller polyamide fibrils embedded within the polyolefin filaments. This yarn has the stain resi... | 12/24/1996 |
| 5565158 | Process for recycling multicomponent mixed polymer wastes A process of recycling a multicomponent mixed polymer waste material involves the steps of agglomerating the multicomponent mixed polymer waste material and spinning the agglomerate to form yarn, wherein the multicomponent mixed polymer waste material con... | 10/15/1996 |
| 5556589 | Process of using a spin pack for multicomponent fibers The invention is directed to a device for spinning fibers, especially bicomponent fibers having a sheath/core configuration. The device has, in a preferred embodiment, disposed in the spinneret orifices a grooved pin with an axial bore (a hollow pin). A p... | 09/17/1996 |
