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| Number | Title | Issue Date |
| 8075824 | Polyimide film made of multicomponent polyimide and process of producing the same A polyimide film made of a multicomponent polyimide comprising two or more different polyimide components including (A) a polyimide component A being raw materials of a polyimide A and/or a polyimidation product of the raw materials and (B) a polyimide component B b... | 12/13/2011 |
| 8070999 | Solution casting process A static and closed solution casting process comprises the following steps: dissolve a solute in a solvent to prepare a casting solution; place membrane-casting plate on bracket, and adjust the bracket to make the membrane-casting plate horizontal; pour the casting ... | 12/06/2011 |
| 7993562 | Method of producing a thermoplastic film A method for producing a thermoplastic film, comprising cooling and solidifying a filmy thermoplastic melt resin, by holding it between a metallic presser and a metallic casting roll for cooling; wherein the temperature of the filmy thermoplastic resin just before b... | 08/09/2011 |
| 7892470 | Method and apparatus for producing polymer film A casting film is formed by casting a dope containing a polymer and a solvent onto a support. Thereafter, the casting film is peeled off from the support as a wet film (74). The wet film (74) is transported to a tenter device (47) having plural ... | 02/22/2011 |
| 7858009 | Synthetic leather and method for producing the same An aqueous sericin solution and a polar organic solvent are mixed together to prepare a sericin-containing solution, then the sericin-containing solution is added into a synthetic resin solution, followed by drying, to produce an synthetic leather wherein sericin is... | 12/28/2010 |
| 7780890 | Advanced gel sheet production The present invention provides various methods for producing gel sheets in a continuous fashion. The embodiments of the present invention help reduce the time of producing gel sheets that is suitable for industrial manufacturing. Such gel sheets are used in manufact... | 08/24/2010 |
| 7749418 | Method for continuously producing artificial marble and apparatus therefor Disclosed are a method and an apparatus for continuously producing an artificial marble plate capable of simultaneously and uniformly hardening a raw material compound for an artificial marble plate, preventing the warpage of the artificial marble plate, and improvi... | 07/06/2010 |
| 7744795 | Solution casting apparatus and method A dope containing a polymer and a solvent is discharged as a casting bead from a casting die onto a running (rotating) casting drum to form a casting film. First and second partition plates are provided upstream and downstream from the casting die, respectively. A t... | 06/29/2010 |
| 7708921 | Solution film-forming method A cast web formed on a support in a casting process is peeled off the support by a first roller in a peeling and conveying process. As being peeled by the first roller, the cast web forms a film, and conveyed through a second roller to a tenter drying process. The p... | 05/04/2010 |
| 7682540 | Method of making hydrogel implants Implantable biomaterials, particularly hydrogel substrates with porous surfaces, and methods for enhancing the compatibility of biomaterials with living tissue, and for causing physical attachment between biomaterials and living tissues are provided. Also provided a... | 03/23/2010 |
| 7655165 | Method of producing edible cellulosic films Disclosed is a process for continuous casting of edible cellulose-containing film sheets having unique physical characteristics. The cellulose film sheets have diverse applications in the processed food industry. ... | 02/02/2010 |
| 7615175 | Method of improving coating uniformity The invention is a method of forming extrudate having substantially uniform thickness. A shim is formed which has a thickness variation of less than or equal to about 0.5 mil (13 microns) total indicated runout. This shim is disposed between a first die portion havi... | 11/10/2009 |
| 7540986 | Solution casting method and polymer film Side edge portions of a film in which a content of a remaining solvent is at least 30 wt. % are contacted to side parts of first-third rollers with suctioning through suction ducts. Thus a middle portion between the side edge portions is not contacted to the rollers... | 06/02/2009 |
| 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 |
| 7425292 | Thin film with non-self-aggregating uniform heterogeneity and drug delivery systems made therefrom The invention relates to the film products and methods of their preparation that demonstrate a non-self-aggregating uniform heterogeneity. Desirably the films disintegrate in water and may be formed by a controlled drying process, or other process that maintains the... | 09/16/2008 |
| 7402203 | High-wearing-resistant composite material comprising steel-based shot and method for producing said material A composite material is obtained by mixing with water 100 parts in weight of binder, between 250 and 800 parts in weight of steel-based shot having a granulometric distribution comprised between 120 jim and 3000 jim, between 10 and 15 parts in weight of non-densifie... | 07/22/2008 |
| 7399440 | Cellulose ester film and its manufacturing method Disclosed is a cellulose ester film having a dry thickness of 20 to 60 μm, wherein the cellulose ester film is manufactured according to a solution cast film manufacture process comprising the steps of providing a cellulose ester dope, casting the cellulose ester d... | 07/15/2008 |
| 7399439 | Methods to produce gel sheets The present invention provides various methods for producing gel sheets in a continuous fashion. The embodiments of the present invention help reduce the time of producing gel sheets that is suitable for industrial manufacturing. Such gel sheets are used in manufact... | 07/15/2008 |
| 7364676 | Slurry spreader for cementitious board production The invention provides a board forming system comprising a forming table comprising a belt with a surface for conveying a backing layer; a mixer fitted with a mechanism capable of depositing cementitious slurry material over a top surface of the backing layer; and a... | 04/29/2008 |
| 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 |
| 7344665 | Coating die with expansible chamber device An apparatus comprising a die having at least one application slot. The slot is in fluid communication with a die cavity. An expansible chamber device is disposed within the die cavity and changes volume in response to changes in pressure within the expansible chamb... | 03/18/2008 |
| 7301000 | Nucleating agents for polyhydroxyalkanoates The present invention provides a process for crystallizing a polymer having at least 20 mole percent of hydroxyalkanoate repeat units, comprising admixing the polymer and a compound of the formula R1—C(O)N(R2)2, R1—C(O... | 11/27/2007 |
| 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 |
| 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 |
| 7226556 | Method for producing of cellulose ester film In order to produce a cellulose ester film constructed of a front layer, an intermittent layer and a rear layer, a dope solution is doped on a supporter. In at least one of the front layer and the rear layer, a mass ratio of a cotton linter to a wood pulp (cotton li... | 06/05/2007 |
| 7223807 | High dielectric resin composition An object of the present invention is to provide a resin composition which is capable of manufacturing a high dielectric resin film having high dielectric constant and small dielectric loss tangent. And the present invention provides high dielectric resin compositio... | 05/29/2007 |
| 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 |
| 7208200 | Process of forming multilayered structures The present invention provides for a method of producing an integral multilayered porous membrane by simultaneously co-casting a plurality of polymer solutions onto a support to form a multilayered liquid sheet and immersing the sheet into a liquid coagulation bath ... | 04/24/2007 |
| 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 |
| 7090738 | Method of manufacturing membrane electrode assembly A membrane electrode assembly having excellent electric power generating capability is produced from a base coated with first polymer electrolytic solution to form an undried first polymer electrolytic membrane. Undried first polymer electrolytic membrane is coated ... | 08/15/2006 |
| 7087200 | Controlled local/global and micro/macro-porous 3D plastic, polymer and ceramic/cement composite scaffold fabrication and applications thereof An indirect solid free form scaffold manufacturing technique is provided. More particularly, the present invention provides a set of molds, casting methods, mold removals, and surface modification techniques that are compatible with image-based design methods and wi... | 08/08/2006 |
| 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 |
| 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 |
| 7030181 | Films prepared from plasticized polyesters A film or sheet having a glass transition temperature below about 23° C. and a melting temperature greater than about 120° C. is prepared by first preparing a polyester composition of about 50 to about 95 weight percent of a base copolyester having a melting tempe... | 04/18/2006 |
| 7022413 | Aromatic liquid crystalline polyester film The present invention provides an aromatic liquid crystalline polyester film excellent in the adhesion property to a substrate. Such film is obtained by an aromatic liquid crystalline polyester film obtained by casting an aromatic liquid crystalline polyester soluti... | 04/04/2006 |
| 6989123 | Methods to produce gel sheets The present invention provides various methods for producing gel sheets in a continuous fashion. The embodiments of the present invention help reduce the time of producing gel sheets that is suitable for industrial manufacturing. Such gel sheets are used in manufact... | 01/24/2006 |
| 6964814 | Transparent film A film is provided which comprises a thermoplastic resin A having a substituted or non-substituted imide group at a side chain of the resin A, and a thermoplastic resin B having a substituted or non-substituted phenyl group and a nitrile group at a side chain of the... | 11/15/2005 |
| 6958179 | Segmented sheeting and methods of making and using same The present invention provides a new sheeting article that may suitably include: a carrier having a first major surface and a second major surface; and a plurality of discrete segments of a sheeting (e.g., a retroreflective sheeting), wherein the sheeting has a firs... | 10/25/2005 |
| 6956098 | High modulus polyimide compositions useful as dielectric substrates for electronics applications, and methods relating thereto The substrates of the present invention comprise a polyimide base polymer derived at least in part from collinear monomers together with crankshaft monomers. The resulting polyimide material has been found to provide advantageous properties, particularly for electro... | 10/18/2005 |
| 6949296 | Polyimide substrates having enhanced flatness, isotropy and thermal dimensional stability, and methods and compositions relating thereto The substrates of the present invention comprise a polyimide base polymer derived at least in part from non-rigid rod monomers together with optionally rigid rod monomers where the substrates are cured under low tension. The resulting polyimide materials have been f... | 09/27/2005 |
