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8182725 |
Methods for making polylactic acid stereocomplex fibers
PLA stereocomplex fibers are made by separately melting a high-D PLA starting resin and a high-L starting resin, mixing the melts and spinning the molten mixture. Subsequent heat treatment...
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8104625 |
Microporous membrane made of polyolefins
A microporous membrane made of polyolefins which comprises polyethylene (PEA) 8-60 wt. % of which is accounted for by components having a molecular weight of 10,000 or lower and in which the ratio...
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8092732 |
Processing method of the natural cellulose fiber with feature for enhancing the capability of antifungi, antibacteria and deodorization
The present invention provides a processing method of the natural cellulose fiber with feature for enhancing the capability of antifungi, antibacteria and deodorization. The procedure is that...
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8043691 |
Process of making a glossy film
An impact resistant provided PMMA moulding material according to DE 195 44 563 is process into a surface-hardened film which is highly glossy, essentially free of gel bodies and can be processed in...
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8038430 |
Method of using image data in the production of thin wall extrusions
A method of coating metal wire with extrudate using an extrusion system. The method includes the steps of advancing the metal wire through an extrusion die of the extrusion system and extruding...
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7981357 |
Method of making a spunbond
A spunbond web is made by extruding a multiplicity of hot thermoplastic filaments, passing the filaments along an upstream stretch of a path, cooling and stretching the filaments as they move along...
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7968030 |
Hot surface hydrolysis of polyphosphoric acid in spun yarns
The present invention relates to processes for hydrolyzing polyphosphoric acid in spun multifilament yarns.
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7968029 |
Processes for hydrolysis of polyphoshoric acid in polyareneazole filaments
The present invention relates to processes for hydrolyzing polyphosphoric acid in polyareneazole filaments.
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7931843 |
Process for producing polyphenylene sulfide filament yarns
The present invention relates to a process for producing a polyphenylene sulfide multifilament yarn, a polyphenylene sulfide multifilament yarn and the use of a polyphenylene sulfide multifilament...
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7897080 |
Polyethylene-oxide based films 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...
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7892469 |
Method of making a non-compliant balloon for a catheter
An intravascular catheter system for properly implanting a stent in a body lumen generally comprising a catheter having an elongated shaft with an inflatable balloon formed of compliant material...
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7850899 |
Method of making spun-bond web from multicomponent filaments
A web is made by first extruding multicomponent filaments from a spinneret and then passing the extruded filaments through a process air shaft. Cold air is directed against the filaments in the...
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7824588 |
Method of making self-supporting therapeutic active-containing film
The invention relates to film products containing desired levels of active components and methods of their preparation. Desirably, the films disintegrate in water and may be formed by a controlled...
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7815828 |
Influence of each of the parameters on the foamed product strength
A method for manufacturing thermoplastic resin expandable granules comprising the steps of: injecting a blowing agent under pressure into a thermoplastic resin which is melted in an extruder;...
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7803900 |
Thermoplastic resin film and method for producing the same
A method for treating an unstretched thermoplastic resin film. The method includes includes heat treating an unstretched thermoplastic resin film at a glass transition temperature of the...
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7718104 |
Process for the production of brittle polymeric film
A process for the production of a polymeric film comprising a copolyester having an acid component and a diol component, said acid component comprising a dicarboxylic acid and a sulfomonomer...
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7691306 |
Method for producing transparent polypropylene based sheet and transparent polypropylene based sheet
The present invention relates to a transparent polypropylene based sheet and its manufacturing method capable of: providing proper properties as a transparent sheet such as tensile characteristic,...
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7468152 |
Process for forming bioabsorbable implants
A process for forming a rod of bioabsorbable polymeric material includes extruding the material at a temperature above its melting point at a controlled rate of between 0.4 to 20 feet per minute to...
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7182900 |
Winding tape and method of making winding tape
In a method for manufacturing a winding tape (10) of unsintered polytetrafluoroethylene wherein polytetrafluoroethylene powder is mixed with a lubricating or slip agent, the material is molded into...
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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...
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6956088 |
Polyethylene films with improved physical properties
Metallocene catalyzed polyethylenes are found to have improved physical properties, improved processability and improved balance of properties. Surprisingly, there is a direct relationship between...
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6896843 |
Method of making a web which is extensible in at least one direction
A method includes the steps of co-extruding a first component and a second component. The first component has a recovery percentage R1 and the second component has a recovery percentage R2, wherein...
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6897183 |
Process for making image recording element comprising an antistat tie layer under the image-receiving layer
This invention relates to a process for making an image-recording element, for example a dye-receiving element for thermal dye transfer, that includes a support having on one side thereof a...
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6881375 |
Method of forming a 3-dimensional fiber into a web
A method includes the steps of co-extruding a first component and a second component. The first component has a recovery percentage R1 and the second component has a recovery percentage R2, wherein...
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6759109 |
Process for manufacturing a multilayer rubber hose and a product thereof
A rubber hose having a multilayer wall is formed of an inner layer of NBR type rubber having a high AN content, available at a low cost and highly impermeable to fuel and an outer layer of a rubber...
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6737004 |
Process of making splittable microfiber substrate
A microfiber substrate of improved carding ability and its manufacturing method, and more particularly a micro-fiber spun by conjugated melting of crystallization difference of high crystallization...
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6660203 |
Formed sheet of thermalconductive silicone gel and method for producing the same
A formed sheet of thermalconductive silicone gel is provided. The formed sheet has (i) a thin film reinforcement layer hardened into rubber only in a surface layer on the upper side, the lower...
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6645619 |
Modified polytrimethylene terephthalate
The present invention provides poly(trimethylene terephthalate) copolymerized with ester-forming sulfonate and a fiber thereof. The polymer of the present invention is high in melting point, small...
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6635047 |
Integrated polymer and braid for intravascular catheters
An intravascular catheter including a reinforcement layer having a plurality of interwoven metal wire members and polymer members. The polymer members are thermally processed to permeate the metal...
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6623681 |
Polyester fiber and process for preparing the same
Intermediate polyester fibre and method for the production thereof, characterized in that highly oriented undrawn polyester yarn with a degree of crystallinity in a specified range is passed under...
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6610763 |
Polymer composition, the production and further processing thereof into receptacles
A process for preparing a container for handling a household waste material which involves molding a household waste container from a plastic batch material containing 0.1 to 10% by weight of at...
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6572970 |
Water-dispersing coated shaped bodies
A process for the production of coated planar moldings of thermoplastics is disclosed. The process entails extrusion of a molded body, cooling of the molding, applying the aqueous-based coating...
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6540953 |
Microporous membrane and method for providing the same
A method of producing a microporous membrane comprising the steps of: extruding a polymer at a temperature of from (polymer melting point +10° C.) to (polymer melting point +100° C.); drawing the e...
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6537471 |
Method for producing ultra thin wall extrusions
Apparatus and method for producing extruded polymer products such as hollow extrusions and conductor coatings having wall thicknesses of 0.002 inches or less. The apparatus may comprise more than...
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6365259 |
High strength/high surface area alumina ceramics
Ceramic honeycombs incorporating cell walls of a sintered alumina material providing controlled pore size distribution in combination with high BET surface area and flexural (MOR) strength are...
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6200510 |
Method for the contact printing of cellulose food casings
A method of applying an indicia to the surface of a cellulose casing by non contact printing wherein the indicium is applied in-line with the casing manufacture at a location between the wet end...
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6177506 |
Method for preparing heat-curable silicone rubber compounds
In a first step, basic components including (A) 100 parts by weight of an organopolysiloxane gum, (B) 5-100 parts by weight of a reinforcing silica filler, and (C) 0.1-30 parts by weight of a...
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6166166 |
Composition and process for preparation of thermoplastic polyurethanes (TPU based on a polybutadiene soft segment)
A process for making a thermoplastic polyurethane material comprising the steps of casting an NCO-terminated prepolymer with 1,4-butanediol to form a casting composition; extruding the casting...
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6129876 |
Heat setting of medical tubings
The present invention provides a method for fabricating flexible medical tubings comprising the steps of providing a tubing of a polymer material, the tubing having a longitudinal axis and an...
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6127438 |
Polyethylene microporous film and process for producing the same
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6027677 |
Films containing poly(hydroxy acid)s
Compatible polymer compositions and optically clear, degradable films containing from 55 to 90 wt % of a poly(hydroxy acid) polymer composition and from 10 to 45 wt % of one or more compatible...
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5968994 |
High strength porous film of polypropylene and process for producing same
A process for producing a porous film of polypropylene comprises subjecting (1) an air-impermeable biaxially stretched film of polypropylene resin comprised predominantly of polypropylene having a...
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5932157 |
Sealable composite polypropylene film and processes for producing and using it
A composite film is described which has at least one base layer which predominantly comprises polypropylene, and at least one top layer. The top layer is sealable and comprises a homopolymer of an...
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5914079 |
Process for the treatment of a sealable film surface
In the treatment of a sealable film surface by means of a flame, a film is passed over a cooling roll (4). A burner (1) is mounted above this cooling roll (4). An unpolarized flame is produced by...
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5888434 |
Process for making a microporous membrane from a blend containing a poly (phenylene sulfide) polymer, an amorphous polymer, and optionally a solvent
The invention relates to a process for preparing a microporous membrane from an unsulfonated poly(phenylene sulfide) polymer by forming a mixture of an unsulfonated poly(phenylene sulfide) polymer,...
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5865927 |
Process for coating hot melt adhesives
Hot melt adhesive masses are provided with a tackless surface by a process which comprises the steps of: a) extruding the hot melt adhesive through an appropriate die orifice; b) spraying the...
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5811511 |
Method for stabilizing unstable terminals of an oxymethylene copolymer
Disclosed is a method for stabilizing unstable terminals of a crude oxymethylene copolymer, wherein use is made of an extruder comprising a casing having a supply inlet and an extrusion outlet...
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5741452 |
Orienting extrusion processes for medical tubing applications
The present invention provides a method for fabricating flexible medical tubings including the steps of providing a polymeric material, forming a tubing from the polymeric material, the tubing...
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5723510 |
Method of manufacturing thermoplastic polyester foam sheet
A method of manufacturing a thermoplastic polyester foam sheet comprises forming a roll by overlapping a thermoplastic polyester sheet and a separator on each other and rolling them, impregnating...
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5695869 |
Melt-blown polyarylene sulfide microfibers and method of making the same
Melt-blown microfiber webs are prepared from polyarylene sulfide polymers, particularly polyphenylene sulfide. A small amount of a phosphite or phosphonite compound is added to the extruder...
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