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| Number | Title | Issue Date |
| 8188154 | Decomposition reaction apparatus, system for producing raw material for recycled resin composition, method for producing raw material for recycled resin composition, raw material for recycled resin composition, and formed article A decomposition reaction apparatus for the decomposition treatment of a thermosetting resin, which comprises a reaction apparatus comprising an introduction section for introducing a resin composition containing the thermosetting resin and a solvent containing a mon... | 05/29/2012 |
| 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 the second material are mixed to produce a paint sludge-second materia... | 05/01/2012 |
| 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 application for used or excess household paint, which would otherwise r... | 04/10/2012 |
| 8138233 | Process for making polybutylene terephthalate (PBT) from polyethylene terephthalate (PET) In one embodiment, the invention relates to a two step process in which a 1,4-butane diol component reacts with a polyethylene terephthalate component under conditions that depolymerize the polyethylene terephthalate component into a molten mixture and the molten mi... | 03/20/2012 |
| 8138232 | Method for recycling plastic materials and use thereof The invention relates to a method for recycling plastic materials which contain at least two polymers, copolymers or blends thereof based on polystyrene. The plastic material is thereby mixed with a solvent for the polymers, copolymers or blends. Subsequently a prec... | 03/20/2012 |
| 8119699 | Method of recycling laminated molding A method of recycling a laminate shaped product, including the steps of: breaking a shaped product having a laminate structure including at least one layer of aliphatic polyester resin in addition to a principal resin layer, storing resultant broken pieces in a mois... | 02/21/2012 |
| 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 homogeneous mixtures of a desired particle size range that are character... | 01/31/2012 |
| 8088834 | Process for making polybutylene terephthalate (PBT) from polyethylene terephthalate (PET) The invention relates to a process for making modified polybutylene terephththalate random copolymers from a polyethylene terephthalate component. The invention relates to a three step process in which a diol component selected from the group consisting of ethylene ... | 01/03/2012 |
| 8048934 | Method of recycling acrylic resin, composition for acrylic artificial stone, and article of artificial stone A composition for acrylic artificial stone, the composition including a (meth)acrylic monomer and an inorganic material. At least one of the (meth)acrylic monomer and the inorganic material may be contained in a component generated by decomposing a polymeric (meth)a... | 11/01/2011 |
| 7947749 | System for recycling a used plastic, method for reprocessing a used ABS resin, and reclaimed ABS resin A system to recycle plastics, which enables a supply of recycled plastics having a stable quality required for the recycled products. A system to recycle a used plastic material as a resin material including (a) means to sort used plastic materials for the purpose o... | 05/24/2011 |
| 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 the WEEE, thus providing substantially zero landfill. In yet another fo... | 03/08/2011 |
| 7902263 | Process for making polybutylene terephthalate (PBT) from polyethylene terephthalate (PET) The invention relates to a process for making modified polybutylene terephthalate random copolymers from a polyethylene terephthalate component. In one embodiment, the invention relates to a two step process in which a 1,4-butane diol component reacts with a polyeth... | 03/08/2011 |
| 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 pulverized thermoplastic product containing a colored pigment, or a pul... | 02/22/2011 |
| 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 additives. Predetermined properties of the recycled plastic material can... | 02/08/2011 |
| 7868052 | Method for recycling recovered discs, flame retardant resin composition and flame retardant resin molded products A recovered disc of a structure in which plural disc substrates are bonded together with an adhesive, is to be recycled. To this end, there is provided a recycling method for a recovered disc wherein a recovered disc, containing a material of at least one coating fi... | 01/11/2011 |
| 7855237 | 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 particles. The associated plant for the manufacture of the foamed or foamable... | 12/21/2010 |
| 7846985 | Method and system for processing waste materials Methods and systems for processing waste materials and for manufacturing composite materials are disclosed herein. According to some embodiments, the heterogeneous waste includes a plastic component and a non-plastic component, and the non-plastic component includes... | 12/07/2010 |
| 7846984 | Method and apparatus for recycling ultraviolet curing resin, and method for manufacturing optical recording medium using that recycling method If an ultraviolet curing resin is colored by contamination by another substance, there have been issues regarding increased cost and the environmental burden of treating the waste solution due to an inability to recycle the resin as it is. The ultraviolet curing res... | 12/07/2010 |
| 7812061 | Process for the production of recycled polycarbonate as raw material for flame-retardant resin compositions and polycarbonate-base flame-retardant resin compositions A method for manufacturing a recycled polycarbonate raw material for a flame retardant resin composition from discarded and/or recovered optical discs using a polycarbonate resin as a substrate material, and includes (a) a step to identify if 2,2-bis(4-hydroxyphenyl... | 10/12/2010 |
| 7807727 | Selective separation of used fragmented polymeric materials by using a dynamically stabilized dense aqueous suspension The invention relates to a method for selectively separating mixed synthetic organic materials such as filled or non-filled polymers and/or copolymers that are wastes, particularly used, for recycling in order to upgrade them. These synthetic organic materials resul... | 10/05/2010 |
| 7807728 | Method for recycling recovered polycondensation polymer Disclosed is a method for recycling a recovered polycondensation polymer which comprises a process wherein a recovered polycondensation polymer is supplied in a molten state to a polymerizer having a porous plate, and then after ejecting the polycondensation polymer... | 10/05/2010 |
| 7803848 | Method for selectively separating used fragmented organic materials by means of dense aqueous suspensions The invention relates to a method for selectively separating synthetic organic materials such as polymers and/or reinforced or non-reinforced copolymers in the form of wastes, in particular domestic wastes recyclable in order to be reused. Said synthetic organic mat... | 09/28/2010 |
| 7799836 | Process for making polybutylene terephthalate (PBT) from polyethylene terephthalate (PET) The invention relates to a process for making modified polybutylene terephthalate random copolymers from a polyethylene terephthalate component. The invention relates to a three step process in which a diol component selected from the group consisting of ethylene gl... | 09/21/2010 |
| 7799837 | Bottle excellent in recyclability and method for recycling the bottle There are provided a bottle which has a laminate structure including a glycolic acid polymer layer showing good gas-barrier property in addition to a principal resin layer and is yet provided with excellent recyclability, and also an efficient method of recycling th... | 09/21/2010 |
| 7799835 | Recycling and reduction of plastics and non-plastics material The present invention provides, e.g., methods to recycle and/or reduce plastic, non-plastic, or a combination thereof, from a waste stream. The methods of the present invention include contacting the plastic waste with infrared (IR) energy at one or more frequencies... | 09/21/2010 |
| 7772293 | Ionic liquid solvents and a process for the depolymerization of polyamides An improved process for the hydrolysis of nylon polymer is herein disclosed using ionic liquids and optionally one equivalent of sulfuric acid per amide residue of the polymer. The process provides for a simplified means for separation of the hydrolyzed polyamide co... | 08/10/2010 |
| 7750057 | Method for obtaining alkali metal salt aqueous solution of aromatic dihydroxy compound from waste aromatic polycarbonate There is provided a method for obtaining an aqueous solution of an alkali metal salt of an aromatic dihydroxy compound by decomposing a waste aromatic polycarbonate by an alkali metal hydroxide aqueous solution. The method comprises (1) a dissolution step of dissolv... | 07/06/2010 |
| 7745503 | Use of dialkyl carbonates as solvents for expanded polystyrene The invention relates to the use of dialkyl carbonates as solvents for expanded polystyrene and to a new process for the recycling of expanded polystyrene. Said process comprises the volume reduction of expanded polystyrene by dissolution with a dialkyl carbonate, o... | 06/29/2010 |
| 7732503 | Recycle of electrical equipment The conventional techniques for recycling an electrical equipment including a hardened epoxy resin and electroconductive material has involved conventional problems that a catalyst is degraded to an extent that it can be no longer reused when a water is contained in... | 06/08/2010 |
| 7696255 | Process for the recycling of plastics Process for recycling soluble or dispersible plastics from a waste product containing plastics by treatment with an organic solvent, concentrating the plastics solution thus obtained to more than 40 wt % of plastics, preconditioning the concentrated plastics solutio... | 04/13/2010 |
| 7659320 | Method for extracting nylon from waste materials The invention relates to a method for recovering nylon from a nylon-containing material by contacting the nylon-containing material with an alkanol-containing solvent at elevated temperature and at a pressure higher than the equilibrium pressure of the alkanol-conta... | 02/09/2010 |
| 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 particles. The associated plant for the manufacture of the foamed or foamable... | 12/01/2009 |
| 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 solving problems] A reclaimed resin composition which is produce... | 11/17/2009 |
| 7598297 | Method of reclaiming multilayered film waste Disclosed is a method of reclaiming a multilayered film which comprises a plastic layer including polyester (PET), polypropylene (PP), and polyethylene (PE) as main components, and an aluminum layer. The method comprises selective dissolution of aluminum, separation... | 10/06/2009 |
| 7550516 | Method for extracting nylon from waste materials The invention relates to a method for recovering nylon from a nylon-containing material by contacting the nylon-containing material with an alkanol-containing solvent at elevated temperature and at a pressure higher than the equilibrium pressure of the alkanol-conta... | 06/23/2009 |
| 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 matter including metal components from the resin moldings, a sorting... | 06/16/2009 |
| 7541387 | Agglomerated material containing recycled silicon An agglomerate material, advantageously used for the production of sheets or slabs or blocks for flouring and/or cladding or furnishing items consists of a mixture comprising between 1% and 75% of a raw material being IT industry recycled silicon tablets in the form... | 06/02/2009 |
| 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 (3), comprising the secondary constituents and additiv... | 05/26/2009 |
| 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 have stuck. This recycled plastic material is manufactured by pulver... | 11/18/2008 |
| 7361401 | Surface coverings containing fused recycled material and processes of making the same A backing or an intermediate layer for a surface covering is described which comprises a fused recycled material, wherein the material comprises a thermoplastic material, for instance, a vinyl material from a vinyl backed carpet or vinyl backed carpet manufacturing ... | 04/22/2008 |
