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8183337 |
Method of purifying ethylene vinyl alcohol copolymers for use with implantable medical devices
Methods for the purification of ethylene vinyl alcohol copolymers are provided.
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8168688 |
Process of recycling paint sludge and component made thereof
A process for making a solid component out of recycled paint sludge is provided. The process can include providing a paint sludge and providing a second material. Thereafter, the paint sludge and...
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8153699 |
Self-priming surfacing composition for finished surfaces
A surfacing composition made of recycled paint, which requires no priming, has a non-reflective “flat” appearance, and is partially composed of dried paint. The composition provides a useful app...
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8106103 |
Method for processing and analyzing contaminated mixed waste plastics to produce reformulated, blended feed materials having a desired color
A method for reformulating reclaimed, contaminated mixed waste plastics into useful articles wherein a plurality of batches of the mixed waste plastics are preprocessed to produce substantially...
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8097659 |
Flexible polyurethane foam and a method of producing the same
A flexible polyurethane foam is obtained by making a material containing polyols, a cross-linking agent and a polyisocyanate compound react in the presence of a catalyst, a blowing agent and an...
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8071656 |
Nylon extraction from commingled materials
The present invention provides energetically and economically efficient methods for separating polyamide polymer(s) from commingled materials. The methods generally involve precipitating a...
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8030364 |
Polyols and polyurethanes, polyurethaneforms using the same
The present invention relates to a preparing method of polyols, polyurethane and polyurethane foams using the same. Polyester, polyamide and polyurethane are depolymerized with the polymeric fatty...
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8017662 |
Method of separation and cleaning of post consumer carpet face yarn from carpet backing and yarn product produced therefrom
A process for producing a synthetic fiber composition with reclaimed post consumer carpet yarn, wherein face yarn is shaved from post consumer carpet using a shaving device to provide shaved face...
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7947750 |
Method for removing color from polymeric material
Color is removed from polymeric material by a method which comprises contacting a dyed or pigmented polymer composition with a non-aqueous extraction solvent comprising a nitrogen containing...
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7943676 |
Method of recycling waste plastic foam materials
A method of recycling waste plastic foam materials firstly is to smash a waste material including polyurethane foam into fine particles so as to obtain a first starting material. The first starting...
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7923477 |
Carpet waste composite
A composite material is produced from carpet waste and a binding agent, in intimate association, and may also include wood fiber or chips and/or other additives. A method of manufacturing a...
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7910688 |
Recycling superabsorbent polymer fines
A process is described for recycling superabsorbent polymer fines into a process that includes treating the superabsorbent polymer fines with caustic and a polymerization step for making the...
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7902262 |
Method of recycling mixed streams of ewaste (WEEE)
The present invention relates to the recycling of waste electrical and electronic equipment (WEEE). Preferably, the present invention relates to the substantial recycling of all material forming...
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7893120 |
Method for reclaiming pulverized synthetic resin product
A pulverized thermoplastic resin product such as a pulverized thermoplastic product containing a black pigment, a mixture of a pulverized thermoplastic product containing a colored pigment and a...
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7884140 |
Compositions of materials containing recycled plastics
Techniques for creating recycled plastic materials from waste plastic materials are described. A recycled plastic material contains at least a primary polymer, a secondary polymer, and residual...
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7875655 |
Carpet waste composite
A composite material produced from carpet waste and a binding agent, in intimate association, which material includes 25% and 99% carpet waste and between 1 and 25% binding agent. A method for...
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7851514 |
Process for producing regenerated resin, regenerated resin, processing recovered matter from resin composition, regenerated resin composition and method of regenerating resin composition
The invention provides a process for producing a recycled resin, which includes: a first step of decomposing a resin composition containing a thermosetting resin in a supercritical or subcritical...
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7625953 |
Method and plant for the manufacture of polymer particles
The method for the manufacture of foamed or foamable polymer particles employs a mixture of a polymer melt and a recycled polymer melt produced from recycled, propellant-containing polymer...
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7547734 |
Method for producing recycled resin, and resin material containing recycled resin produced by that method
Recycled resin is produced by a method including a dismantling/recovery step of dismantling products containing resin moldings and recovering the resin moldings, a removal step of removing unwanted...
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7538143 |
Method for the treatment of waste containing polyamide with the reprocessing of the depolymerisation residue
The invention relates to a method for the treatment of waste containing polyamide comprising a) depolymerisation of the waste containing polyamide, whereby a caprolactam raw material (6) and a flow...
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7511081 |
Recycled method for a wasted polymer which is mixed polyester polyamide and reclaimed materials thereof
The present invention relates to a recycling method of a mixed waste of polyester and polyamide (hereinafter, referred to as “mixed waste”) in which polyesters including polyethylene ter...
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7452918 |
Recycled plastic material, electronic apparatus having the recycled plastic material, method of manufacturing plastic part, method of manufacturing the recycled plastic material, and method of reusing plastic material
A recycled plastic material is made from laser-engraved thermoplastic, metal-containing thermoplastic, thermoplastic used in an inkjet apparatus, or thermoplastic to which an ink or its composition...
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7319113 |
Solvent-based recovery and recycle of polyamide material
A process is disclosed for recovering polyamide material from post-industrial and post-consumer products containing the polyamide material and insoluble materials. The process includes the steps...
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7152742 |
Separation process for carpets
Comminuted carpet pieces are fed to a first stirred tank together with an aqueous solution containing separating salt, to form a first suspension, which is fed to a first mechanical separating...
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7141647 |
Image file arrangement for use with an improved image quality assurance system
A method of treating waste product containing flexible polyurethane resin includes adding a decomposing agent to the waste product to start a decomposition reaction; and terminating the...
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7138435 |
Method of decomposing thermosetting resin, apparatus and heat control program
A method of decomposing a thermosetting resin by a decomposer comprising the steps of: pre-heating the thermosetting resin up to a pre-heating temperature T0; kneading the pre-heated thermosetting...
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7115671 |
Process for recovering monomeric units of a nylon from whole carpet
The invention relates to a process for recovering monomeric units of a nylon from carpet material. The carpet material includes fibres containing nylon bound to a backing containing one or more...
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7056956 |
Method for recycling a plastic material
Process for recycling a plastic, according to which the plastic is brought into contact with a solvent capable of dissolving the same and the plastic dissolved in the solvent is precipitated using...
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7053130 |
Method to accelerate biodegradation of aliphatic-aromatic co-polyesters by enzymatic treatment
Provided is a method for accelerating the biodegradation of aliphatic-aromatic co-polyesters comprising greater than 60 mol percent aromatic acid, based on total diacid in the co-polyester. The...
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7022751 |
Composite plastic materials produced from waste materials and method of producing same
Fiber reinforced composite plastic materials for use in injection and compression molding and extrusion processing produced from waste materials, the composite material includes an effective amount...
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6919383 |
CO2-assisted deploymerization, purification and recycling of step-growth polymers
A method of depolymerizing a polymer comprises contacting a polymer with a fluid comprising carbon dioxide and at least one component, wherein the fluid plasticizes the polymer and facilitates...
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6837950 |
Separation of floor covering components for recycling
The invention relates to methods for processing floor coverings (100), such as carpet and/or carpet tile, having at least one layer containing a polyurethane (104), such that at least this...
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6822009 |
Method for reclaiming waste cured resin
A method of reclaiming waste cured resins, wherein the components of a decomposition product produced by bringing waste cured resins, which have at least one type of bond selected from the group...
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6802997 |
Method of manufacturing rigid polyurethane foam material, method of manufacturing refrigerator, and refrigerator
The present invention provides a method of manufacturing a rigid polyurethane foam material, a method of manufacturing a refrigerator using the material, and a refrigerator manufactured by the same...
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6756412 |
Fiber-reinforced recycled thermoplastic composite and method
Fiber reinforced recycled thermoplastic composites and methods for their manufacture are presented. In a preferred embodiment, the thermoplastic composite incorporates a matrix of recycled...
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6750260 |
Process for chemical recycling of polyurethane-containing scrap
A process of chemically recycling polyurethane-containing scrap. Polyurethane-containing scrap is subjected to a chemolysis reaction to produce chemolysis polyol products. The chemolysis polyol...
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6723759 |
Recycled resin composition and method for producing the same
Disclosed is a recycled resin composition having physical properties, a feeding property as well as a moldability which are by no means inferior as compared with the raw material resin composition,...
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6689821 |
Chemical method of removing paint film on plastic resin using isopropyl alcohol
Thermosetting paint film is removed by adding plastic resin coated with thermosetting paint film into a mixed solution of an alcoholic solvent and alkali and heating this mixed solution while...
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6683119 |
Method for producing polyols and polyols
The present invention provides an improved process for producing polyols from polyurethane wastes. The polyols produced by that process are further used to generate polyurethanes. According to the...
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6670404 |
Polymeric foam powder processing techniques, foam powders products, and foams produced containing those foam powders
This relates variously to techniques for comminuting polymeric foams, to techniques for preparing polymeric foams containing that comminuted foam, and to the resulting comminuted foam powder and...
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6630517 |
Process for hydrolyzing and recycling a polyurethane
A process for hydrolyzing and recycling polyurethanes as target compounds to be hydrolyzed into raw materials or derivatives thereof for the target compounds, comprising bringing pressurized water...
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6627046 |
Separation of the products of polyamide ammonolysis
The useful reaction products in an output stream from an ammonolysis reactor are separated in a manner which minimizes the time during which high boiling polyamide intermediate material(s) are in...
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6515036 |
Method of decomposing a polyurethane
A method of recovering a decomposition product from a polyurethane, the method comprising the steps of thermally decomposing a polyurethane into a liquid containing a polyol and a urea compound...
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6489373 |
Method for decomposition and recovery of polyurethane resin
The present invention provides a method of recovering a polyamine compound and/or a polyol compound useful for starting materials of polyurethane resin in an industrially advantageous manner by...
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6420440 |
Method for recycling alignment layer materials
The present invention relates to a method for recycling an alignment layer material. The recycled alignment layer material shows the same characteristics as an original alignment layer material....
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6414066 |
Composition containing novel modifier
A composition comprising a binder and a residue wherein the residue comprises a blend of polypropylene, styrene butadiene rubber and calcium carbonate. The residue is a novel material derived as a...
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6384093 |
Method of melt processing crosslinked thermoplastic material
A method of enhancing the melt-processibility of crosslinked plastic or recycling crosslinked plastic and the products formed by these methods. The melt processibility of a crosslinked...
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6359020 |
Method for producing polyamides from aminonitriles
Aqueous monomer and oligomer extracts obtained from polyamide production by extraction of the polymer with water are used for producing polyamides by direct reaction with aminonitriles.
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6306222 |
Process for cleaning plastics for recycling them
A process for cleaning plastic materials is disclosed, in which foreign materials adhered on and internally intruded into the plastic materials are cleaned to recycle the plastic materials. The...
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6245822 |
Method and apparatus for decomposition treating article having cured thermosetting resin
There is disclosed a method of decomposition treating a waste article having cured thermosetting resin comprising the steps of: (a) bringing the waste article having cured thermosetting resin into...
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