...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 8133827 | Fibers comprising copolymers containing structures derived from 4,4 diamino diphenyl sulfone and a plurality of acid monomers and methods of making same The invention concerns a fiber, obtainable by spinning a copolymer from the polymerization solution, derived from 4,4′diaminodiphenyl sulfone amine monomer and a plurality of acid monomers, wherein the plurality of acid monomers has 55 to 85 mole percent of the mo... | 03/13/2012 |
| 8088698 | Fabric, particularly for items of clothing and shoes A fabric, particularly for items of clothing and shoes, including: a first inner layer, to be directed toward the body of the user, which is substantially hydrophobic and breathable and suitable to direct liquid-phase and vapor-phase perspiration away from the user ... | 01/03/2012 |
| 8058194 | Conductive webs Conductive nonwoven webs are disclosed. The nonwoven webs contain pulp fibers combined with conductive fibers. In one embodiment, the webs are made in a wetlaid tissue making process. ... | 11/15/2011 |
| 8021998 | Absorbent structure with superabsorbent material An absorbent structure made at least in part from a superabsorbent material having a retention capacity (CRC) as determined by a Centrifuge Retention Capacity Test of at least about 25 g/g and a free swell gel bed permeability (GBP) as determined by a Free Swell Gel... | 09/20/2011 |
| 8003555 | Flame retardant synthetic fiber, flame retardant fiber composite, production method therefor and textile product A flame retardant synthetic fiber and a flame retardant fiber composite that satisfy high flame retardance and high fire resistance, a method for producing the flame retardant synthetic fiber and the flame retardant fiber composite, and a textile product are provide... | 08/23/2011 |
| 7897529 | Substrate for carrying catalytic particles There is provided a substrate (1) capable of carrying uniformly dispersed, finely divided, particulate, solid particles, e.g., catalyst particles (10) and sustaining temperatures in excess of 1200 degrees F. The substrate comprises a top layer (2 | 03/01/2011 |
| 7879746 | Hydrophilic polypropylene fibers having antimicrobial activity Polypropylene fibers and devices that include a fatty acid monoglyceride added to the polypropylene as a melt additive are described. A hydrophilic enhancer material can be advantageously added to the polypropylene as a melt additive to enhance the hydrophilicity of... | 02/01/2011 |
| 7851392 | Lightweight nonwoven fire retardant barrier A non-woven flame retardant barrier can be prepared from low denier, charring fibers and substantially free of polymers made from halogenated monomers. The charring fibers can be modified viscose fibers, for example Visil®. The blend of low denier fibers can be, fo... | 12/14/2010 |
| 7589037 | Slickened or siliconized flame resistant fiber blends The invention relates to slickened or siliconized flame resistant fiber blends that are well suited for use in mattresses, boxsprings, upholstered furniture, fiber-filled bed clothing, transportation seating or any end use application where a soft materials are desi... | 09/15/2009 |
| 7547650 | Flame retardant multicomponent articles The present invention is directed to flame retardant multicomponent articles. The multicomponent articles include a reactive, migratory agent which is present in at least a first component of the article. The reactive migratory agent is capable of migrating from the... | 06/16/2009 |
| 7410920 | Lightweight nonwoven fire retardant barrier A non-woven flame retardant barrier can be prepared from low denier, charring fibers and substantially free of polymers made from halogenated monomers. The charring fibers can be modified viscose fibers, for example Visil®. The blend of low denier fibers can be, fo... | 08/12/2008 |
| 7405172 | Non-woven fabric for separator of alkali cell and method for production thereof The present invention provides a non-woven fabric for an alkaline battery separator comprising semi-aromatic polyamide fibers comprising a dicarboxylic acid component, in which 60 mol % or more of the dicarboxylic acid component is an aromatic carboxylic acid compon... | 07/29/2008 |
| 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 |
| 7399718 | Water-repellent and vapor-permeable multilayer material for outdoor applications The invention relates to a multilayer material comprising (a) a first layer that consists of plaster or that substantially consists of plaster, and (b) at least one second layer, comprising a sandwich textile fiber material. The fibers of said material are interlink... | 07/15/2008 |
| 7390351 | Electrets and compounds useful in electrets An electret filter media that includes a thermoplastic resin and a compound of the formula Y2-A(R1)n—Y1, where A is benzene, naphthalene or anthracene, Y1 and Y2 are each independently R2... | 06/24/2008 |
| 7378360 | Water dispersible, pre-saturated wiping products A water dispersible nonwoven web is disclosed. The nonwoven web is produced in an airlaying process and contains pulp fibers mixed with water soluble fibers. The water soluble fibers may be, for instance, polyvinyl alcohol fibers. The nonwoven web may be pre-saturat... | 05/27/2008 |
| 7365033 | Open flame resistant articles Mattress and home furnishing items are made open flame resistant by a fire barrier fabric that includes chlorine-free rayon fiber. The fire barrier fabric at least partially encloses the core of the open flame resistant mattress or home furnishing item. When tested ... | 04/29/2008 |
| 7341963 | Non-woven material with barrier skin A non-woven material including first effect fibers, first binder fibers, second binder fibers, and bulking fibers. The non-woven material has a first planar zone with an exterior skin, and a bulking zone. The first planar zone includes a greater concentration of fir... | 03/11/2008 |
| 7338916 | Flash spun sheet material having improved breathability A process is disclosed for flash spinning a nonwoven fibrous sheet from a polymeric solution containing about 12% to 33% by weight of filler particles. The filler is preferably insoluble in the polymer. The resulting plexifilamentary film-fibril sheet material has i... | 03/04/2008 |
| 7329705 | Salt-sensitive binder compositions with N-alkyl acrylamide and fibrous articles incorporating same A salt sensitive polymeric binder for use in fibrous webs, where the binder contains a copolymer of carboxylic acid monomer units, acrylate monomer units, and N-alkyl acrylamide units. The copolymer is neutralized at least to the point where it is water soluble. The... | 02/12/2008 |
| 7329623 | Durable hydrophilic nonwoven mat A nonwoven web of a wettable fiber matrix, wherein the wettable fiber matrix are thermoplastic polymeric fibers blended with at least one hydrophilic melt additive. In alternate embodiments, the nonwoven web further includes binder fibers which may be wettable or no... | 02/12/2008 |
| 7326664 | Structurally stable flame retardant bedding articles A flame retardant bedding article comprises a hydroentangled flame retardant nonwoven component, and more specifically, a bedding article such as a mattress, pillow cover or mattress pad, comprising a structurally stable, flame retardant nonwoven component. The comp... | 02/05/2008 |
| 7320831 | Salt-sensitive vinyl acetate binder compositions and fibrous article incorporating same A salt sensitive polymeric binder for use in fibrous webs, where the binder contains a copolymer incorporating the residue of vinyl acetate, a carboxylic acid, and a vinyl ester of a saturated aliphatic monocarboxylic acid having between 6 and 18 carbon atoms in the... | 01/22/2008 |
| 7311963 | Process for the production of a shaped article The invention relates to a process for the production of a shaped article comprising the compression of one or more fiber layers containing polyolefin fibers. The invention also relates to shaped articles obtainable with the process according to the invention and th... | 12/25/2007 |
| 7297395 | Superabsorbent materials having low, controlled gel-bed friction angles and composites made from the same The present invention relates to water swellable, water insoluble superabsorbent materials having controlled variable gel-bed friction angles. Controlling the gel-bed friction angle of the superabsorbent materials may allow control of the swelling of the material, t... | 11/20/2007 |
| 7291312 | Ozone removing material and method for preparing the same An object of the present invention is to solve problems of conventional ozone-scavenging materials and to provide an ozone-scavenging material capable of effectively decomposing/removing ozone at low cost. To attain the above object, the present invention provides a... | 11/06/2007 |
| 7290668 | Bicomponent fiber wick A bicomponent fiber wick is provided for use in processing an analyte fluid. The bicomponent fiber wick comprises a self-sustaining, fluid transmissive body comprising a plurality of bundled, crimped, bicomponent fibers bonded to each other at spaced apart contact p... | 11/06/2007 |
| 7275440 | Loop-shaped ultrasound generator and use in reaction systems Ultrasound for use in chemical reactions is generated by an electromagnet formed from an ultrasound transducer whose central feature is a loop of magnetostrictive material wound with coils oriented to produce an oscillating magnetostrictive force when an oscillating... | 10/02/2007 |
| 7259117 | Nonwoven highloft flame barrier The invention relates to a nonwoven highloft flame barrier well suited for use in mattress, upholstered furniture and other end use applications where a highloft nonwoven material is desired for flame barrier purposes. A preferred nonwoven highloft flame barrier of ... | 08/21/2007 |
| 7250382 | Water-disintegratable sheet and manufacturing method thereof Disclosed is a water disintegratable sheet including bast/leaf fibers and at least one kind of primary fibers. The bast/leaf fibers have a Canadian Standard freeness value of at most 600 milliliter and occupy 2 to 75% by weight of a total fiber weight of the sheet. | 07/31/2007 |
| 7244322 | Method for forming fire combustion modified batt The present invention relates to a method for forming a fire combustion modified batt. The method comprises the step of forming a blend of nonwoven and oxidized polyacrylonitrile fibers into a web. The oxidized polyacrylonitrile fibers are fire resistant and when bl... | 07/17/2007 |
| 7241711 | Water-disintegratable sheet and manufacturing method thereof Disclosed is a water disintegratable sheet of which fibers are hydroentangled about each other. The water disintegratable sheet includes: at least one kind of primary fibers having a fiber length of at most 10 millimeter; and bast/leaf fibers having a Canadian Stand... | 07/10/2007 |
| 7229938 | Heat and flame shield A heat and fire resistant planar unitary shield formed of heat and flame resistant fibers and voluminous bulking fibers. The shield material has a heat and flame resistant zone with a majority of the heat and flame resistant fibers, and a voluminous bulking zone wit... | 06/12/2007 |
| 7225882 | Method and apparatus for retarding fire A barrier for retarding fire comprises water-permeable fabric for covering a substantial area, the fabric having at least 9 pockets per square foot, each pocket having a volumetric capacity of between about 0.03 cubic inches and about 17 cubic inches, wherein substa... | 06/05/2007 |
| 7214652 | Anionic surfactant-containing hypochlorite bleach composition and methods of making and use A liquid composition comprising an aqueous mixture of a softener emulsion and alkali metal hypochlorite wherein said softener emulsion contains an anionic stabilizing surfactant. ... | 05/08/2007 |
| 7201777 | Nonwoven fabric having low ion content and method for producing the same The present invention relates to a nonwoven fabric having a relatively low level of ionic contaminates which is achieved by exposing the fabric to a deionized water wash, preferably, in-line with the nonwoven production process, thereby eliminating, or at least redu... | 04/10/2007 |
| 7195620 | Interlabial pad An object of the present invention is to provide an interlabial pad, with which a wearer will hardly feel a sensation of using the interlabial pad, even when a wearer moves and pressure from the exterior is applied to the interlabial pad. An interlabial pad 10 | 03/27/2007 |
| 7192896 | Disposable cleaning product The invention is directed at a disposable dry cleansing article that is formed from a melt extruded fibrous web that has incorporated into the fibers forming the web from 0.5 to 20 percent by weight of a melt extruded lathering surfactant. The invention, dry article... | 03/20/2007 |
| 7189667 | Sponge towel based on cellulose and a method for producing the same The invention relates to a sponge cloth based on cellulose and having an internal reinforcement, obtainable by the amine oxide process. In the process, a solution of cellulose in an aqueous amine oxide is first produced, which is then mixed with at least one pore fo... | 03/13/2007 |
| 7166547 | Under carpet heat shield and floor pan insulator An under carpet heat shield/floor pan insulator is provided for a vehicle. The shield/insulator includes an acoustical and thermal insulating layer of polymer fiber that shows no signs of any thickness increase, delamination, deterioration or any undesirable effect ... | 01/23/2007 |