...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 |
| 8168105 | Polymer membrane, method for the production and use thereof The present invention relates to an acid-doped polymer membrane based on polyazoles. The acid-doped polymer membrane can be used in a variety of applications because of its excellent mechanical properties and is useful as polymer electrolyte membrane (PEM) in PEM fu... | 05/01/2012 |
| 8114326 | Cellulose ester film, polarizing plate, liquid crystal display and process for producing cellulose ester film A cellulose ester film has a front retardation Re of from 20 nm to 100 nm relative to light having a wavelength of 590 nm at 25° C. and 60% RH; a retardation Rth in a film thickness direction of from 60 nm to 400 nm relative to light having a wavelength of 590 nm a... | 02/14/2012 |
| 7922947 | Method of producing dispersion A solvent and TAC particles are continuously supplied to a disperser. When the shearing of the solvent and the particles are made in a shearing section, the particles are dispersed in the solvent. The dispersion is fed to a mixer in one minute. The shearing of the d... | 04/12/2011 |
| 7854872 | Solution casting method for producing polymer film and suction roller used therefor A suction roller (65) is used as a drive roller for feeding a film in a solution casting method. The suction roller (65) has a surface (65a) on which a plurality of circular suction holes (91) is formed. The suction hole (91... | 12/21/2010 |
| 7771639 | Polymer film producing apparatus and method A polymer film producing apparatus has a moving support on which dope containing polymer and solvent is cast to form a cast film. The cast film is stripped from the support to obtain a polymer film containing the solvent, and the polymer film is dried. A first gas f... | 08/10/2010 |
| 7754125 | Solution casting method and apparatus A camera for capturing a casting bead is provided at each side end of a discharge port in a width direction thereof. Plural speakers are provided at the vicinity of an opening of a decompression chamber. The camera continuously captures the casting bead, and outputs... | 07/13/2010 |
| 7727445 | Method for manufacturing optical film A method for manufacturing an optical film comprising the steps of: 1) casting a dope (a solution), prepared by dissolving thermoplastic resin film raw materials in a solvent, from a casting die onto an at least 1.8 m wide belt support, and 2) drying a cast web (a c... | 06/01/2010 |
| 7686999 | Manufacturing method of polymer film A casting film is made by casting dope including polymer and solvent on a casting drum whose surface is cooled. The casting film becomes to have a self-supporting property by cooling solidification, and then peeled as a wet film from the casting drum. The wet film i... | 03/30/2010 |
| 7645406 | Adhesive injection process for Pi-joint assemblies An adhesive injection process for a Pi-joint assembly comprises the steps of: machining at least two ports into a female part of a Pi-joint assembly; inserting a filler into a gap between a male part and the female part; applying a sealant above the filler; creating... | 01/12/2010 |
| 7588709 | Casting device, solution casting apparatus and solution casting method In a casting process of a film production, a casting dope is discharged through an outlet of a casting die. In the casting die, lip plates and inner deckle plates are arranged such that a lower end of each inner deckle plates may be form a protrusion at a side edge ... | 09/15/2009 |
| 7585446 | Method and equipment for producing polymer-film A dope is discharged from a casting die toward a belt to form a film-like material above the belt. Thereby a range near the film-like materials is decompressed by first and second decompression chambers. A pipe connecting each decompression chamber to a pressure con... | 09/08/2009 |
| 7494611 | Cellulose ester film, cellulose ester dope, protective film of polarizing plate and polarizing plate Disclosed is a cellulose ester film comprising a polymer prepared by polymerizing at least one ethylenically unsaturated monomer selected from vinyl esters, vinyl esters having a functional group, acrylic esters, and acrylic esters having a functional group, wherein... | 02/24/2009 |
| 7442331 | Film casting method A pipe for supplying a dope to a co-casting die consists of a goose neck portion connected to a feed block of the co-casting die, and a straight pipe portion connected to the goose neck portion. The goose neck portion has a radius of curvature of 50 mm to 400 mm, an... | 10/28/2008 |
| 7427430 | Polyamide blend composition having excellent gas barrier performance High gas barrier, delamination-resistant polyamide compositions suitable for extended shelf-life packaging applications are provided. Also provided are polyamide compositions exhibiting high oxygen scavenging capability. The polyamide compositions comprise mXDA-IPA ... | 09/23/2008 |
| 7410604 | Method of making retroreflective sheeting and slot die apparatus The invention relates to a method of making retroreflective sheeting and other articles prepared from casting a fluid synthetic resin onto a tool having a microstructured surface with a slot die apparatus. The invention further relates to a slot die apparatus. ... | 08/12/2008 |
| 7361295 | Solvent casting process A process for solvent casting including, casting a dope from a casting die onto a casting support, drying the cast dope on the casting support to form film, stripping off the film from the casting support, and further drying the film, wherein the dope has a solid ma... | 04/22/2008 |
| 7351365 | Solution film-forming method, protective film of polarizing plate, optical functional film, polarizing plate, and liquid crystal display device A solution film-forming method for obtaining the polymer film includes discharging a pressurized polymer solution having a specific temperature from a casting die, casting the polymer solution on a support, solidifying the polymer solution to form a film, peeling an... | 04/01/2008 |
| 7322814 | Film or sheet forming apparatus To form a film or sheet relatively thin and needing a high degree of precision in thickness, such as for an optical use, while suppressing temperature fluctuations at one side opposite to the other side in contact with an outer peripheral surface of a roll (11 | 01/29/2008 |
| 7278200 | Method of tensioning a diaphragm for an electro-dynamic loudspeaker Electro-dynamic loudspeakers typically include a diaphragm having a conductor applied to one of its surfaces. The diaphragm is secured to a frame. The conductor is connected to a power supply for providing electrical current through linear traces of the conductor th... | 10/09/2007 |
| 7275290 | Touch fasteners Molded male touch fastener components, and methods of making such components are disclosed. Components include multiple, discrete features that extend laterally from a common side of an upper end of a formation, for engagement of loops. ... | 10/02/2007 |
| 7246425 | Method of manufacturing a speaker In manufacturing a speaker, ultrasonic complex vibration welding is applied at least to: a process of fixedly putting together a magnet, a pot yoke a the pole piece; a process of fixing, to a portion of an inner circumference of a frame, an outer periphery of a spid... | 07/24/2007 |
| 7247380 | Laminated phase retarder film and a liquid crystal display using the same The objective of the present invention is to provide a laminated phase retarder film that is superior in evenness, exhibits a biaxial optical property as a whole, and makes it possible to set the biaxial optical property over a wide range. This object is achieved by... | 07/24/2007 |
| 7241411 | Thin film strips A method of forming a thin film strip and thin film strips formed thereby where the method comprises coating a liner substrate with a wet slurry of film forming ingredients and other components and drying the wet slurry in a drying apparatus to form a film, measurin... | 07/10/2007 |
| 7213511 | Method and apparatus for printing a ribbon for packaging gelatin capsules Apparatus for producing image bearing filled gelatin capsules (12 and 16) for directing gelatin ribbon (2,4) from respective casting drums to an encapsulation station (6). Along the path of at least one ribbon (4) is a transfer sta... | 05/08/2007 |
| 7210213 | Method for manufacturing a dynamic speaker A speaker collective substrate with component insertion hole sections and electrode sections has a plurality of speaker forming areas. An electrical speaker section, which comprises a magnetic circuit section and a vibration section, is inserted into each of the com... | 05/01/2007 |
| 7208205 | Optical film and liquid crystal display using the same A film for a liquid crystal display comprising a fatty acid cellulose ester film having an acetyl group and a propionyl group is disclosed. Sum of degree of acetyl substitution (DSac) and degree of propionyl substitution (DSpr) of the fatty acid cellulose ester film... | 04/24/2007 |
| 7205429 | Method for disposal of waste from acrylic acid process and acrylic ester process This invention is providing a method for efficient treatment of the waste material from a process for production of acrylic acid and an acrylic ester. This is a method for the disposal of waste material, which at least one waste material selected from the group cons... | 04/17/2007 |
| 7169855 | Method for producing transparent polypropylene sheet and transparent polypropylene sheet An apparatus (1) for producing a transparent polypropylene sheet, which comprises a sheet formation means (11) for melt-kneading a resin composition comprising (A) 60 to 97 mass % of a polypropylene resin having an iostactic pentad proportion of 0.85 t... | 01/30/2007 |
| 7152299 | Method of assembling a loudspeaker Electro-dynamic loudspeakers typically include a diaphragm having a conductor applied to one of its surfaces. The diaphragm is secured to a frame. The conductor is connected to a power supply for providing electrical current through linear traces of the conductor th... | 12/26/2006 |
| 7141189 | Solution casting process for producing polymer film Cellulose triacetate film is produced by a solution casting process. Dope, which includes cellulose triacetate and mixed solvent with methyl acetate, is cast on a rotary drum in a form of bead by use of a flow casting die, to form gel film. When a self-supporting ch... | 11/28/2006 |
| 7131316 | Method and apparatus for testing air permeable waterproof gloves A dry testing method for a glove (10) made with an air permeable, waterproof material (16). The stem (22) of a tee fitting (24) is connected to an air pump (20) source. A mouth (30) of the glove is tightly attached to one en... | 11/07/2006 |
| 7132074 | Solvent casting process The present invention provides a solvent casting process which comprises casting a dope which is a solution containing at least one kind of a polymer from a casting die onto a casting support, stripping off from the casting support and drying, wherein the force nece... | 11/07/2006 |
| 7081224 | Polymer film producing method A solution casting system has a tentering device, and produces polymer film of cellulose triacetate. Two web edge portions of the polymer film are sucked within a section from a downstream end of the tentering device to a first roller that the polymer film contacts ... | 07/25/2006 |
| 7061561 | System for creating a patterned polarization compensator A system for creating a patterned polarization compensator (550) has a retardance characterization system (560) for optically scanning the spatially variant retardance of a spatial light modulator (210). A compensator patterning system (565 | 06/13/2006 |
| 7060214 | Polymer resin film and its production In the transparent film of optical application or the support for photographic material produced by a solution film forming method, the polymer resin film on which any coating unevenness does not occur even when a functional layer is coated on the film surface and t... | 06/13/2006 |
| 7060332 | Liquid crystal display with alignment film of polyphenylenphthalamide-based material and method for fabricating the same An LCD and a method for fabricating the LCD includes a first substrate and a second substrate, a liquid crystal layer between the first substrate and the second substrate, and a coating of a polyphenylenephthalamide based material on at least one of the substrates, ... | 06/13/2006 |
| 7052574 | Method for producing metal laminate To continuously produce a metal laminate having excellent dimensional stability and flatness, there is provided with a method of producing a metal laminate in which a thermoplastic liquid crystal polymer film (5′) capable of forming an optically anisotropic... | 05/30/2006 |
| 7052638 | Hook and loop fastener Forming a fastener component having heads constructed to engage loops formed e.g. of fibers of a mating component, comprises forming, from a thermoformable material, a preform product having a sheet-form base and an array of preform stems integrally molded with and ... | 05/30/2006 |
| 7037461 | Method of stretching film A method of stretching films in which all or a portion of the width of the film is cooled during or just after stretching so as to improve the uniformity of the film. The includes stretching a polymeric film in a tenter that grasps the film with a plurality of clips... | 05/02/2006 |
| 7025986 | Micromesh interproximal devices A shred resistant, ultra-high molecular weight polyethylene, micromesh interproximal device produced by fibrillating and slitting stretched polyethylene film having a tensile-strength from between about 0.7 GPa and about 5 GPa, where said polyethylene has an intrins... | 04/11/2006 |