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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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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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7795319 |
Tire recycling method generating carbonous residue
A process for making a carbonous residue from scrap tires is disclosed. Tires are digested in an oil product. Steel and glass fibers are separated. A product enhancing additive comprising halogen...
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7728047 |
Process for the recycling of expanded polystyrene
The invention relates to an enhanced process for the recycling of expanded polystyrene. Said process essentially comprises the reduction in volume of expanded polystyrene by means of dissolution in...
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7619013 |
Reclaimed resin composition produced from pulverized waste plastic material containing solid foreign materials
[Problems] To produce a resin composition from a waste plastic material composed of a major portion of a thermoplastic resin and a small amount of incompatible solid foreign material. [Means for...
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7601760 |
Method of decomposing plastic
The present invention provides a method for decomposing a plastic so as to recycle useful substances therefrom as raw materials for a similar plastic. In particular, the present invention provides...
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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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7531579 |
Method of making and using sorbent and filtering material from secondary waste rubber
A method of making a sorbent from waste rubber and a method of sorbing oil using such sorbent. Approximately two pounds of modifier is added to 100 pounds of vulcanized rubber waste, the modifier...
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7425584 |
Catalytic devulcanization of rubber
The present invention relates generally to the delulcanization of rubber. More specifically, the present invention relates to a process for the hydro-devulcanization of vulcanized rubber utilizing...
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6815510 |
Elastomer reclaiming composition and method
The present invention relates to elastomeric compositions and methods including compositions and methods involving the use of aromatic alcohols. The present invention further relates to elastomeric...
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6797757 |
Article, including tires, having component or rubber composition which contains particles of pre-vulcanized rubber and blend of tetrathiodipropionic and trithiodipropionic acids
The invention relates to articles of manufacture, such as for example, tires and industrial products, which have at least one component comprised of a rubber composition which contains particles of...
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6583211 |
Moldable composite material
A moldable heterogeneous composite material has a continuous plastic phase (30) and a discrete phase of unground rubber (20) dispersed in the continuous phase. The composite material can be formed...
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6555588 |
Method for the production of a polypropylene blend
A method for producing a polypropylene blend from a plastic packaging materials containing high molecular weight polypropylene, other high molecular weight polymers such as polyethylene, low...
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6541526 |
Method and composition for devulcanization of waste rubber
Mechanical/chemical method and composition for de-vulcanization of rubber maintains the macromolecules, renders sulfur passive for later re-vulcanization, is cost effective, environmentally...
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6489372 |
Polycarbonate isolation through homogenization devolatization
Polymer are removed from organic solvent-polymer mixtures by preparing a liquid-liquid dispersion of finely dispersed solvent droplets containing polymer in water, adding this liquid-liquid...
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6346561 |
Pavement material
The present invention is a recipe and method for combining Gilsonite and other asphaltites with curative elastomers that are powder granular form and which are added to asphalt. Second recipe and...
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6242501 |
Processes for the recovery of poly(arylene sulfide)
A process is provided to recover poly(arylene) sulfide from a poly(arylene) sulfide reaction mixture. In particular, a process is provided to recover poly(arylene) sulfide utilizing at least one...
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6180753 |
Process for treating a compound having epithio structures for disposal
An acidic substance is added to a mixture containing a compound having epithio structures and a catalyst for curing the compound and the mixture is solidified.The mixture containing a compound...
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6160031 |
Process for decomposing a polymer to its monomer or monomers
A process for decomposing a polymer which is capable of undergoing thermal depolymerization to its monomer or monomers, such as for example poly(methylmethacrylate), and for the recovery of at...
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6114401 |
Plastic reclamation process
A plastic article or plastic container reclamation process if provided in which plastic containers are divided into relatively large pieces, then washed, agitated and separated using an aqueous...
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6087406 |
Recycle of vulcanized fluorinated elastomers
Compositions and techniques useful to effectively recycle crosslinked (i.e., vulcanized or cured) fluoroelastomers are disclosed. The invention utilizes an additive system that includes a...
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6069181 |
Process for recycling polyarylene sulfides
The present invention relates to a process for obtaining polyarylene sulfide from polyarylene sulfide-containing material. For this purpose, the polyarylene sulfide-containing material is treated...
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5910514 |
Synthetic mulch
The present invention relates to synthetic wood chips and methods for making the same. The synthetic wood chips are made from rubber particles, such as ground up tires, and a colorant which colors...
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5905095 |
Used tire process
A method of processing used tires and the recovery of the products thereof. The process includes adding shredded automobile tire to a bath containing a combination of isocyanide, polyurethane,...
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5866678 |
Absorbent and method for production of absorbent resin
A method for the production of an absorbent resin having a very small residual monomer content either by adding to an absorbent resin powder a substance capable of reacting with the residual...
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5770632 |
Reclaiming of elastomeric materials
A process for reclaiming elastomeric material from elemental sulphur-cured elastomeric material having a vulcanized network without using hexamethylene tetramine, by treating the sulphur-cured...
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5770633 |
Process for regenerating cross-linked, vulcanized flourine rubber
Filler-containing, cross-linked, vulcanized fluorine rubber waste is regenerated by treatment with at least one of CH3 SO3 H, ClSO3 H, CF3 SO3 H and fuming sulfuric acid, followed by dissoluting...
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5717050 |
Hypoallergenic natural rubber products from parthenium argentatum (gray) and other non-hevea brasiliensis species
Hypoallergenic products are made from Parthenum argentatum (Gray), Ficus elastica and other non-hevea rubber-containing plants by homogenizing the plants in an aqueous medium, filtering the...
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5677354 |
Process for reclaiming cured or semi-cured rubber
A process for reclaiming cured or semi-cured rubber, by subjecting a mass of rubber to be reclaimed to a solvent effective to swell said mass, passing the formed swollen mass of rubber through...
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5653867 |
Method for the separation of high impact polystyrene (HIPS) and acrylonitrile butadiene styrene (ABS) plastics
An improved method is provided for separating acrylonitrile butadiene styrene (ABS) and high impact polystyrene (HIPS) plastics from each other. The ABS and HIPS plastics are shredded to provide a...
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5651994 |
Elastic paving material
An elastic paving material includes a mixture of 90-50% by weight of fibrous rubber chips each having a length of 3-30 mm and a diameter of 0.3-3 mm, and 10-50% by weight of crushed pieces of golf...
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5639801 |
Processing of anhydride-containing thermoplastic resins
An anhydride-containing thermoplastic resin such as a styrene maleic anhydride copolymer is processed in a vented extruder in the present of a nitrogenous chemical blowing agent to both imidize at...
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5604277 |
Rubber and plastic bonding
A dry liquid concentrate mixture is disclosed comprising crumb rubber particles and tall oil, tall oil derivatives or other fatty acids, which may be enhanced by other components, such as...
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5580942 |
Hypoallergenic natural rubber products from parthenum argentatum (gray) and other non-hevea brasiliensis species
Hypoallergenic products are made from Parthenum argentatum (Gray), Ficus elastica and other non-hevea rubber-containing plants by homogenizing the plants in an aqueous medium, filtering the...
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5556888 |
Rubber compounds containing vulcanized scrap rubber, methods of manufacturing such rubber compounds
A rubber compound obtained by compounding a raw rubber, powdered vulcanized scrap rubber with its surface partially processed via a swelling treatment, a vulcanizing agent and a vulcanizing...
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5504122 |
Recovery of dimethyl terephthalate from polymer mixtures
Dimethyl terephthalate is recovered from polymer mixtures containing polymers of terephthalic acid and glycol and a chloride polymer, by adding base to neutralize the hydrochloric acid formed by...
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5464877 |
Method for recovering a synthetic waste material contaminated with other materials
A method for recovering a synthetic waste material contaminated with other materials, particularly waste optical disks, wherein the loose, uncrushed waste is chemically treated by impregnating said...
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5420166 |
Glycolysis of cured unsaturated polyesters for producing a recycle reactant
The present invention is directed to a method for treating cross-linked (cured) filled or untilled unsaturated polyester for deriving an alcohol recycle reactant useful in the synthesis of...
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5397825 |
Rubber recycling process and product
An active filler composition utilizing scrap rubber, such as automobile tires, as a main or primary ingredient is used in the treatment, recycling, and manufacture of various rubber and plastic...
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5356939 |
Process for making rubber articles and rubber articles made thereby
A process of producing a rubber article which is economical and environmentally beneficial in that it provides for the recycling of ground cured rubber into uncured rubber compositions which need...
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5336755 |
Process for the recovery of polymers dissolved in aqueous alkaline or acid media
The invention relates to a process for the recovery of polymers dissolved in an aqueous alkaline or acid medium by precipitating the polymers with acid or alkaline precipitants, the precipitation...
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5317043 |
Process for the recovery of polymers dissolvable in aqueous alkaline or acid media
Process for the recovery of polymers by dissolving in an aqueous alkaline or acid medium and precipitating in a strong, turbulent, aqueous flow with subsequent ripening of the precipitated...
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5030662 |
Construction material obtained from recycled polyolefins containing other polymers
Construction materials prepared from recycled polymeric material containing primarily polyolefins such as high density polyethylene, ultra high molecular weight polyethylene, low density...
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4851500 |
Process for preparing a rubber scrap composition
A process and apparatus is provided for making a rubber-like product from rubber scrap, such as recycled tire scrap. The process includes mixing the rubber scrap with from 1 percent to 15 percent,...
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4579871 |
Method of reclaiming rubber
Rubber crumb is subjected to direct reclaiming by being mixed with a plasticizer and optionally also a peptizer and, under agitation and supply of a gas atmosphere with controlled oxygen content...
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4544675 |
Reclaiming of vulcanized rubber
In a process for reclaiming sulfur-vulcanized rubber in the presence of oil, water vapor and aryl disulfide peptizer at elevated pressure and temperature, an improvement where said disulfide is...
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4244841 |
Method for recycling rubber and recycled rubber product
A unique method for recycling rubber scrap to yield a final product of at least about one inch in thickness characterized by the absence of the use of alkalis, acids or organic solvents in the...
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4211676 |
Process for reclaiming scrap vulcanized rubber
Scrap vulcanized rubber is reclaimed by mixing with a reclaiming agent selected from (a) 1,8-diazabicyclo-[5,4,0]-undecene-7, (DBU) (b) phenol salts of DBU, (c) carboxylic acid salts of DBU, (d)...
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4161464 |
Devulcanized rubber composition and process for preparing same
A devulcanized rubber composition is disclosed which is obtained by low temperature phase transfer catalyzed devulcanization of commercial scrap rubber, such as a vulcanized polyisoprene rubber,...
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4148763 |
Reclaim oil for digester process for rubber reclaiming
Natural and synthetic rubber can be reclaimed by the use of a reclaiming oil having a molecular weight between 200 and 1000 and comprised of a mixture of substituted benzene compounds, such as...
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