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...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 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 |
| 7342052 | Process for regeneration of an elastomer from scrap The invention relates to a process for converting an elastomer from scrap to a regenerated elastomer which comprises the steps of: (a) introducing the elastomer from scrap into a vessel; (b) agitating the elastomer from scrap; (c) heating the elastomer from scrap to... | 03/11/2008 |
| 7297720 | Recyclable composite materials, articles of manufacture, and structures and methods of using composite materials Composite mixture materials made of recycled plastic, glass and rubber, and optionally, sand, gravel, coal combustion by-product and metal, and containing no petroleum distillates (unless a fire retardant or recycled asphalt pavement is used) are disclosed. Methods ... | 11/20/2007 |
| 7285058 | Pre-vulcanized or pre-crosslinked materials for golf balls The present invention relates to golf ball components and golf balls comprising high levels of pre-vulcanized or pre-crosslinked materials, as well as methods of making same. The pre-vulcanized or pre-crosslinked materials are typically thermoset materials that are ... | 10/23/2007 |
| 7188791 | Gravity pressure vessel and method for treating vulcanized rubber A method for treating vulcanized rubber, the method including the steps of (i) providing an aqueous stream that includes vulcanized rubber particles suspended in water, (ii) feeding the aqueous stream to the top of a hydraulic downdraft column, (iii) conducting the ... | 03/13/2007 |
| 7189762 | Method of modifying crosslinked rubber A method of modifying crosslinked rubber comprising subjecting the rubber to mechanical elongational and shear forces in the presence of a supercritical fluid that is normally gaseous. Controllable devulcanization of the rubber is achieved. ... | 03/13/2007 |
| 7141196 | Method of manufacturing a golf ball having one or more layers The present invention relates to golf ball components and golf balls comprising high levels of pre-vulcanized or pre-crosslinked materials, as well as methods of making same. The pre-vulcanized or pre-crosslinked materials are typically thermoset materials that are ... | 11/28/2006 |
| 7105069 | Sound absorbing/sound blocking automotive trim products Sound absorbing/sound blocking products, including trim products formed from a porous fibrous layer backed by a sound absorbing layer and a sound blocking layer for use within vehicles, and methods of making same, are provided. A porous fibrous layer structure inclu... | 09/12/2006 |
| 7097723 | Lightweight acoustic automotive carpet Light weight acoustic carpet including porous carpeting backed by a primary sound reducing layer and localized secondary insulators for use within vehicles, and methods of making same, are provided. A porous carpet structure including a carpet backing is heated to a... | 08/29/2006 |
| 7087655 | Separation process for multi-component polymeric materials A method of separating at least one polymer from a mixture of polymers. The method includes adjusting the temperature of the mixture, either by heating or cooling, to bring the temperature to a temperature at which decombination of the polymer mixture occurs. Mechan... | 08/08/2006 |
| 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 a non-solvent in the presence of a phase-separating agent, in which t... | 06/06/2006 |
| 7029162 | Process and apparatus for continuous mixing of slurry with removal of entrained bubbles The present system comprises an apparatus and a process for continuously dispersing fine particles in a liquid. The apparatus comprises a mixer that has at least one inlet for receiving the fine particles and liquid and an outlet. The mixer further comprises a barre... | 04/18/2006 |
| 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 of high melting point polymer fiber material and a sufficient amount... | 04/04/2006 |
| 6984670 | Recyclable composite materials articles of manufacture and structures and method of using composite materials Composite mixture materials made of recycled plastic, glass and rubber, and optionally, sand, gravel, coal combustion by-product and metal, and containing no petroleum distillates (unless a fire retardant or recycled asphalt pavement is used) are disclosed. Methods ... | 01/10/2006 |
| 6958127 | Coated molded article, method of recycling the same and apparatus therefor Coated moldings coated, on surfaces of moldings, with paint constituted of a thermoplastic resin having affinity for a thermoplastic resin used as a main constituent of the moldings. Method and apparatus for recycling the coated moldings are also described in which ... | 10/25/2005 |
| 6936201 | 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 ... | 08/30/2005 |
| 6913831 | Coating material for recycling and a thermoplastic resin mold The object of the present invention is to provide a coating material for recycling a thermoplastic resin mold, wherein said coating material is coated on the surface of said thermoplastic resin mold and said thermoplastic resin mold, discarded, can be recycled witho... | 07/05/2005 |
| 6864294 | 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... | 03/08/2005 |
| 6794419 | Method for recycling the resin mold A method of recycling a molded resin consisting mainly of a thermoplastic resin which comprising adding as a recycle aid agent a rubber-like material (material) which is compatible with the thermoplastic resin as the main component of the molded resin, is moldable a... | 09/21/2004 |
| 6777453 | Method of reclaiming crosslinked rubber, and molded article of reclaimed rubber The object of the present invention is to provide a method of reclaiming crosslinked rubber wherein a reduction of qualities due to generation of decomposed products hardly occurs, and a molding of reclaimed rubber. In a reclamation step of reclaiming crossli... | 08/17/2004 |
| 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 thermoplastic and a plurality of high modulus, reinforcing fibers, with the r... | 06/29/2004 |
| 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, even when a ratio of recycled material in recycled resin composition... | 04/20/2004 |
| 6664304 | Process for producing fine rubber powder by using waste rubber This invention provides a process for producing fine rubber powders by using waste rubber, comprising the steps of pre-pulverizing waste rubber into particles with a size of 1-4 mm; soaking the particles in a solvent selected from one or more alcohols and... | 12/16/2003 |
| 6632918 | Method of reclaiming crosslinked rubber The object of the present invention is to provide a method of reclaiming crosslinked rubber, which can reclaim various kinds of crosslinked rubbers whose reclamation is difficult. The method of reclaiming crosslinked rubber 10 of the present invention inc... | 10/14/2003 |
| 6579950 | Rubber waste disposal apparatus and method of treating rubber waste A rubber waste disposal apparatus processing rubber waste such as an old tire efficiently includes a casing, a rubber waste deformation unit provided in the casing to subject rubber waste to deformation, and an ozone-containing gas supply unit supplying o... | 06/17/2003 |
| 6566412 | Method and apparatus for reprocessing rubber tires A method and apparatus is disclosed for recovering the rubber content of rubber containing goods such as vehicle tires. The goods are purged of air and immersed in a bath of liquid heated to a temperature sufficient to melt the rubber. The rubber being in... | 05/20/2003 |
| 6548559 | Thermoplastic compositions and methods A new composition is formed by combining a reduced waste rubber, a heavy paraffin and a reduced waste thermoplastic, and then further reducing the resulting material while holding it at an elevated temperature. In preferred embodiments the rubber and ther... | 04/15/2003 |
| 6548561 | Method and device for recovering pure PVC from plastic waste containing PVC In a method for recovering pure PVC from pre-disintegrated PVC containing substance mixtures, the substance mixture is soaked in a swelling agent for PVC, is supplied under pressure into an arrangement of at least two sequential hydrocyclones, wherein, in... | 04/15/2003 |
| 6545060 | Magnetostriction-based ultrasound in rubber devulcanization and related processes The breakdown of crosslinked elastomers, including the devulcanization of crumb rubber, is achieved by exposing the elastomers to ultrasonic vibrations induced by magnetostriction transducers. The transducers are capable of a higher power output than ultr... | 04/08/2003 |
| 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 dispersion to a stirred vessel containing water or other suitable... | 12/03/2002 |
| 6403718 | Method for the production of a powder of an elastic material A homogeneous powder mainly consisting of an elastic material, such as vulcanised rubber, is produced by first forming a composite body of larger particles of the elastic material, bound together by a thermoplastic material. The composite body is then sub... | 06/11/2002 |
| 6391930 | Device for destroying tires with metallic cords using electric discharges A device for destroying tires with metallic cords using electric discharges, which comprises an arrangement for cutting off tire sidewalls, an arrangement for delivering the tires with cut sidewalls for destruction, a tire destruction system in the shape ... | 05/21/2002 |
| 6387967 | 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 thermoplastic and a plurality of high modulus fibers, with the rec... | 05/14/2002 |
| 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 thermoplastic resin may be enhanced by mixing it with a low viscosity ... | 05/07/2002 |
| 6335377 | Reclaimed rubber and process for reclaiming vulcanized rubber Reclaimed rubber having excellent performance is applied for reuse in tires or for asphalt, etc. The reclaimed rubber obtained by devulcanization treatment of vulcanized rubber from discard tires, etc. has a proportion of sol to gel: 10-80%, a weight-aver... | 01/01/2002 |
| 6329437 | Materials for construction engineering based on recycled or newly made plastic materials, improved building components made for said materials and methods of making same The universal building material for construction engineering is made from plastic waste material from any and all types of plastics and/or from newly made or fresh plastic materials and is used to make various improved building components, building elemen... | 12/11/2001 |
| 6271270 | Fiber-reinforced recycled thermoplastic composite Fiber-reinforced recycled thermoplastic composites and methods for their manufacture are presented. In a preferred embodiment, the thermoplastic composite incorporates a matrix of recycled thermoplastic and a plurality of high modulus fibers, with the rec... | 08/07/2001 |
| 6228479 | Process of recycling waste polymeric material and an article utilizing the same Articles of manufacture such as building materials are formed from recycled waste polymeric material including 15 to 50 percent aliphatic polyamide material. The articles are formed by chopping and granulating the waste polymeric material into fragments a... | 05/08/2001 |
| 6180685 | Reconstituted polymeric materials derived from post-consumer waste, industrial scrap and virgin resins made by solid state shear pulverization A method of making polymeric particulates wherein polymeric scrap material, virgin polymeric material and mixtures thereof are supplied to intermeshing extruder screws which are rotated to transport the polymeric material along their length and subject th... | 01/30/2001 |
| 6127434 | Recycling process of a cross-linked polymeric material, in particular from electric cable coating materials A process for dereticulating a cross-linked polymeric material, such as cross-linked polyethylene from scraps of electric cable coatings or from unused cable coatings through a mechanical mixing cycle, wherein the cross-linked material is subjected to a s... | 10/03/2000 |
