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7597831 |
Solution casting apparatus and solution casting method
A dope producing apparatus is provided with a first feed line for sending polymer solution from a fourth tank to a solution casting apparatus. The first feed line is provided with a first orifice...
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7560024 |
Method and system for controlling pore size of microporous phase inversion membranes
This invention provides for a method to control the pore size or bubble point of porous membranes made by phase inversion in a continuous manufacturing process by blending two or more solutions...
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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...
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7517482 |
Method for producing polymeric membranes with high-recovery rate
A method for preparing polymeric membranes is disclosed, which has the following steps: (a) forming a casting solution by dissolving cellulose triacetate (CTA) and polyether-sulfone (PES) in a...
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7470385 |
Process for producing cellulose acylate film
A cellulose acylate film is produced by using a cellulose acylate solution and forming a film consisting of two or more layers by the co-casting method. The cellulose acylate to be used is selected...
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7455799 |
Method of producing polishing pad-use polyurethane foam and polyurethane foam
A production method comprising the step of charging prepolymer, a foaming agent and an active hydrogen-containing compound in specified amounts into a tank and foaming/mixing them for a specified...
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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....
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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6926851 |
Method, composition and apparatus for controlled concrete
A method is provided for use of a concrete composition and an associated apparatus. The method provides for mixing of the concrete material, accelerant powder and, optionally, an associated...
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6916439 |
Colored laminate and a method for coloring the surface of a membrane
In this method, a fibrous material is embedded between the surfaces of a membrane and a dissimilar coloring material as the mating surfaces of the membrane and the coloring material are cured or...
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6915555 |
Method for manufacturing speaker
A method of manufacturing a loudspeaker comprises: continuously forming diaphragm portions and alignment portions on a band resin film; positioning one of a frame and a protector at an upper die or...
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6913724 |
Solvent casting process and apparatus therefor
A process and apparatus for solvent casting which comprises, casting a polymer solution onto a casting support, cooling the polymer solution to gelatinize on the casting support to form web,...
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6908685 |
Polyimide film, method of manufacture, and metal interconnect board with polyimide film substrate
The invention provides a polyimide film manufactured from a polyamic acid prepared from pyromellitic dianhydride in combination with 10 to 60 mol % of phenylenediamine and 40 to 90 mol % of...
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6908527 |
Identification card
A method of making a printed identification card core, a printable sheet for manufacturing cores for laminated identification cards and a core for a laminated identification card. The method...
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6887580 |
Adhesive polyimide resin and adhesive laminate
An adhesive polyimide resin which comprises a siloxane polyimide resin obtained from (A) an aromatic tetracarboxylic dianhydride and (B) a diamine ingredient comprising (B1) a diamine having a...
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6881819 |
Liquid initiator for carrying out anionic lactam polymerization in an accelerated manner, method for the production thereof and its use
The invention relates to a liquid initiator for carrying out anionic lactam polymerization. The liquid initiator contains a conversion product of isocyanate (1) with a protic compound (P) and a...
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6872270 |
Bubble pack cushioned composite, method of making and article made therefrom
There is disclosed a method of forming a foam product, comprising the steps of forming a layer of uncured polymeric foam; applying to the layer of uncured foam a layer of bubble pack, such that the...
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6852388 |
Biaxially oriented film with better surface quality based on crystallizable polyesters and process for producing the film
The invention relates to a single- or multilayer, biaxially oriented film based on a crystallizable polyester and comprising at least one primary stabilizer for inhibiting oxidative degradation....
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6824829 |
Process for manufacturing thin film strips
A method of forming a thin film strip. The method comprises coating a liner substrate with a wet slurry of film forming ingredients and drying the wet slurry in a drying oven to form a film. A...
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6818160 |
Method to improve properties of poly(trimethylene terephthalate) film
The invention herein provides a method to improve retention of tensile properties upon aging in poly(trimethylene terephthalate) cast film. The method involves first nucleating the...
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6780354 |
Method for casting using a casting head having a variably displaceable cavity surface
A method employing a casting head having a variably displaceable cavity surface. The casting head comprises a cavity, at least partially formed by plurality of surfaces, including a carrier surface...
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6777099 |
Stabilized film based on titanium-catalyzed polyesters
Polyester films which comprise a stabilizer for inhibiting oxidative degradation, at least some of which has been covalently incorporated into the polymer chain of the polyester through...
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6770733 |
Polyimide copolymer
A film-formable polyimide copolymer, which comprises two kinds of tetracarboxylic acid dianhydride consisting of (A) pyromellitic acid dianhydride and (B) 3,3′,4,4′-benzophenonetetracarboxylic...
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6750320 |
Process for producing polyimide platy object
A process for producing a polyimide platy object includes (a) providing a solution containing a solvent and a solute (i.e., a polyimide precursor or polyimide); (b) pouring the solution onto a...
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6740731 |
Degradation control of environmentally degradable disposable materials
The present invention is directed to a method for reducing waste accumulation by using an environmentally degradable disposable material. The disposable material, which includes a hydroxycarboxylic...
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6703005 |
Process for the production of a deodorant or antiperspirant product
A deodorant or antiperspirant soft solid composition is filled into dispensing containers by injection moulding, i.e. under pressure, preferably in the vicinity of its normal setting temperature....
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6682598 |
Apparatus for casting and drying ceramic tape
A drying apparatus 10 for casting machine 80 , including tunnel 20 divided into first chamber 41 and second chamber 46 by barrier 35 . Each chamber 41,46 includes gas inlet 50 ...
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6679968 |
Laser laminar structure and method of manufacturing the same
A laser laminar structure is formed by coating each side of a thin substrate with a bonding resin layer, and then coating each bonding resin layer with a molding resin layer; attaching a...
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6592802 |
Process for production of polymer sheet and optical polymer sheet
The present invention provides a process for continuously producing a polymer sheet having an excellent surface smoothness, an apparatus for producing such a polymer sheet, and an optical polymer...
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6589663 |
Aromatic polyamide film
The aromatic polyamide film of the present invention has microdomain structures having sizes of not less than 5 nm and not more than 600 nm. The film has an easily adhesive property and is suitable...
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6500543 |
Artificial stone molded product
Provided is an artificial stone molded product in which protrusions or embedded grooves for a figure or a pattern are provided integrally on or in a flat surface of a substrate, and a main...
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6464894 |
Magnetic film and a method for the production thereof
The invention relates to hard magnetic films made of a polymer matrix and hard magnetic powder particles distributed therein. The films have a thickness of preferably 100 to 500 μm and are...
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