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7582236 |
Film stretching apparatus and solution film-forming method
A clip to hold the film has a clip body, a flapper, a press slider and a rail mount. A pair of the press sliders is located in both sides of the flapper. A coil spring presses the press slider...
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7534318 |
Method of producing textured mold-formed bodies, and mold-formed bodies manufactured according to the method
A textured, layered mold-formed body is produced with a foil laminate in which a top foil of at most partially crosslinked polymer materials and a sub-foil containing a polymer foam material with a...
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7396498 |
Orientation of films to improve barrier and UV stability
The invention disclosed herein relates to a method of treating plastics material fibers, filaments or film to improve their resistance to degradation by UV radiation and/or increase their...
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7320773 |
Biodegradable laminate sheet and molded item from biodegradable laminate sheet
A biodegradable laminate sheet having as its object to provide a formed body superior in heat resistance, shock resistance, transparency and formability, and having non-stretched polylactic...
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7314908 |
Polythiophene processes
Polythiophene may be processed using a method including providing a composition including the polythiophene and a liquid including at least one hydrocarbon having at least 6 carbon atoms; heating...
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7314905 |
Drawn film and process for producing the same
A film that has high rigidity and high heat resistance and good releasability from a roughened copper foil surface, which is subjected to surface oxidization or etching treatment with acid, such as...
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7306729 |
Porous PTFE materials and articles produced therefrom
Novel porous PTFE membranes are described possessing a unique combination of high strength, low flow resistance, and small pore size. Additionally, unique constructions with superior filtration and...
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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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7226558 |
Method of making an expanded polytetrafluoroethylene structure
A high density microwall ePTFE structure and a method for making, involving the manipulation of a standard extruded ePTFE graft. The final product has the desired characteristics of high density,...
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7135063 |
Resilient biodegradable packaging materials
Biodegradable starch-based extruded products and methods of manufacturing those products are provided. In particular, extruded starch products processed by compression, stretching or compression...
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7128969 |
Method for the production of biologically-degradable packagings made from biaxially-drawn films
The invention relates to a method for the plastic shaping of a biaxially-drawn film, comprising at least one base layer, containing at least one polymer (I), made from at least one...
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7122617 |
Polybenzazole precursor film, polybenzazole film and method of producing the same
The first film of the present invention is a film produced by solidifying a polybenzazole precursor that has been oriented in a given direction by the application of a magnetic or electric field....
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7094856 |
Process for producing polyolefin
Process for the production of an oriented polyolefin film using multi-component polymer compositions. One polymer component comprises an isotactic propylene homopolymer produced by the...
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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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7045084 |
Process for making a curved preform made from woven composite materials
The invention is a process for forming a preform for use in a structure having at least one curved portion of a specific length, including the steps of: 1) providing a preform having cable of...
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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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7026049 |
Conductive polyvinyl alcohol fiber
A conductive polyvinyl alcohol fiber having good mechanical properties and heat resistance contains a polyvinyl alcohol polymer and copper sulfide nano-particles having a mean particle size of at...
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7014805 |
Process for making a curved PI shaped preform made from woven composite materials
The invention is a process for forming a 3D woven PI shaped cross-section preform having a first and second bottom foot portions and first and second upstanding leg portions for use in a structure...
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6994763 |
Elastomeric multicomponent fibers, nonwoven webs and nonwoven fabrics
A bonded web of multi-component strands that include a first polymeric component and a second polymeric component is capable of overcoming a number of problems associated with nonwoven webs...
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6982231 |
Elastomeric, breathable laminate with enhanced breathability upon extension
An elastomeric, breathable laminate having enhanced breathability is formed by bonding a breathable, microporous, extendible/elastic film to a nonwoven facing material. The facing material can be...
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6966999 |
Oriented thermoplastic vulcanizate
Oriented films are prepared. A thermoplastic vulcanizate, prepared by mixing at least 20 wt % of a thermoset rubber by weight of the total composition into a thermoplastic polymer are disclosed....
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6958183 |
Key top plate and a method for manufacturing the same
A first film plate 20 and a second film plate 40 , each made of flexible resin film, are attached to a top surface and a bottom surface of a key top 30 made of mold-resin, respectively, so as...
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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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6949212 |
Methods and devices for stretching polymer films
Stretched polymeric films can be used in a variety of applications, including optical applications. The stretching conditions and shape of the stretching tracks in a stretching apparatus can...
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6939499 |
Processes and apparatus for making transversely drawn films with substantially uniaxial character
A process for stretching films is described. The process preferably stretches films in a uniaxial fashion. Preferably, optical films are stretched including multilayer optical films. Other aspects...
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6939496 |
Method and apparatus for forming composite material and composite material therefrom
A system and method for extruding composite material and the composite material therefrom. The composite material consists of a filler mixed with a binding agent. The composite material is extruded...
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6936209 |
Methods and devices for processing polymer films
Stretched polymeric films can be used in a variety of applications, including optical applications. The stretching conditions and shape of the stretching tracks in a stretching apparatus can...
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6923927 |
Method for forming expandable polymers having drugs or agents included therewith
The invention is directed to methods involving rewetting of expandable polymers with a wettable liquid to allow for enhanced expansion at or below room temperature without breakage, and in some...
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6916440 |
Processes and apparatus for making transversely drawn films with substantially uniaxial character
A process for stretching films is described. The process preferably stretches films in a uniaxial fashion. Preferably, optical films are stretched including multilayer optical films. Other aspects...
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6890463 |
Method for treating expandable polymer materials
The invention is directed to methods involving rewetting of expandable polymers with a wettable liquid to allow for enhanced expansion at or below room temperature without breakage, and in some...
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6890395 |
Medical device formed of ultrahigh molecular weight polyolefin
Medical devices having at least a component, such as a catheter balloon, stent cover and vascular graft, formed of ultrahigh molecular weight polyolefin, such as ultrahigh molecular weight...
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6866813 |
Inflatable toy with expandable figurine
An inflatable toy comprises an inflatable volume and an expandable figurine that is attached to the inflatable volume such that the figurine is stretched as the volume is inflated. The expandable...
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6863856 |
Slotted mold for making a catheter balloon
A method of making a catheter balloon, and a balloon formed thereby, in which a polymeric tube is radially expanded in a mold having a wall with an outer surface and an inner surface defining a...
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6863757 |
Method of making an expandable medical device formed of a compacted porous polymeric material
A method of making a catheter balloon or other expandable tubular medical device or component thereof formed of a compacted porous polymeric material, in which a tube of porous polymeric material...
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6843941 |
Method for fabricating a ferroelectric polymer film
A film made of a vinylidene-trifluoroethylene or tetrafluoroethylene copolymer is uniaxially drawn to fabricate a uniaxially drawn film. Then, the uniaxially drawn film is thermally treated at a...
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6825150 |
Thermal dye-transfer receiving element with microvoided substrate and method of making the same
Disclosed is a thermal dye-transfer receiving element comprising a dye-image receiving layer on its top surface and, beneath the dye-image receiving layer, a microvoided layer containing a...
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6821464 |
Process for producing polymer/filler composite material
A process for producing a polymer/filler composite material includes a mixture forming step in which there is obtained a mixture of a flake-like filler and a polymer material, and the mean area (L...
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6814909 |
Indicator
An indicator comprising a porous resin material, and a liquid retained in the pores of the porous resin material, in which the whiteness of the porous resin material is at least 80, and the...
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6805823 |
Resilient biodegradable packaging materials
Biodegradable starch-based extruded products and methods of manufacturing those products are provided. In particular, extruded starch products processed by compression, stretching or compression...
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6797801 |
Polyimide film and process for producing the same
An oriented polyimide film of high strength and a production process therefor. The process basically comprises stretching a gelled film and then imidating the film. The gelled film is formed by...
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6783852 |
High-absorbent polyvinyl alcohol fibers and nonwoven fabric comprising them
Cross-linked polyvinyl alcohol fibers prepared from a water-soluble polyvinyl alcohol, which satisfy the following requirements: (1) a water absorption in water at 30° C. ranging from 10 to 100...
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6780361 |
Process of making polymer articles
A method including forming a pseudo-gel of a semi-crystalline polymer material and a solvent. The pseudo-gel is shaped into a first form and stretched. A portion of the solvent is removed to create...
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6761786 |
Process of making a balloon for an intraluminal catheter
Medical devices such as catheter balloons, stent covers and vascular grafts formed of ultrahigh molecular weight polyethylene. The devices are formed from polyethylene that has been processed so...
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6758994 |
Method of producing polypropylene tapes
The present invention relates to a process for making polymer tapes utilizing metallocene catalysts. An isotactic propylene polymer is prepared by polymerizing propylene in the presence of an...
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6696134 |
Blown films and a method for producing the same
An objective of the invention is to provide a blown film which is excellent in terms of the optical characteristics, the tear strength and the rigidity as well as a method for producing the same,...
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6673297 |
Method and apparatus for pin-hole prevention in zone laminates
The method and apparatus of the present invention prevents the formation of pin-holes during stretching of strip laminates in the cross-machine direction (CD). Pin-holes are prevented by creating...
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6656577 |
Process for making poly(ethylene-co-isosorbide) terephthalate polymer
The present invention is a process for making a low color copolymer of ethylene glycol, isosorbide and terephthalic acid or dimethyl terephthalate. This copolymer, poly(ethylene-co-isosorbide)...
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6641915 |
Acrylonitrile-based fiber bundle for carbon fiber precursor and method for preparation thereof
There is disclosed an acrylonitrile fiber bundle for a carbon fiber precursor with a total denier of 30,000 or more consisting of an acrylonitrile polymer comprising 95 wt % or more of an...
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6635342 |
Solar control pigmented thermoplastic polymer sheet
A solar control light transmitting thermoplastic polymer sheet is provided which contains flakes of metal pigment that are aligned coplanar with the upper face of the sheet. The sheet transmits a...
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6627300 |
Optical device containing polymeric material domains having different degrees of randomness
An improved optical film having a continuous/disperse phase morphology and a method for making the same is provided. At least one of the continuous and disperse phases comprises a blend of...
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