Did You Know...
...that several people are credited with the invention of the flush toilet? Most people have heard of Thomas Crapper (1837-1910), the sanitary engineer who invented the valve-and-siphon arrangement that made the modern toilet possible. Another claimant to "the throne" was British inventor Alexander Cumming who patented a toilet in 1775. Then there's a nameless Minoan (a native of ancient Crete) who lived 4,000 years ago who supposedly was ahead of his time and created the first flush toilet!
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7758797 | Production of UHMWPE sheet materials UHMWPE panels of large width may be prepared by a continuous ram extrusion process by employing a slit die which preferably narrows from both sides in a direction transverse to the machine direction, and/or which employs a plurality of transversely positioned coolin... | 07/20/2010 |
| 7381782 | Polymerizable composition and molded articles produced by using the same The present invention provides a polymerizable composition and a resin formed object capable of providing a crosslinked cycloolefin resin formed object and a crosslinked cycloolefin resin composite excellent in heat resistance, more specifically, a polymerizable com... | 06/03/2008 |
| 7344672 | Solid state deformation processing of crosslinked high molecular weight polymeric materials Solid-state deformation processing of crosslinked high molecular weight polymers such as UHMWPE, for example by extrusion below the melt transition, produces materials with a combination of high tensile strength and high oxidative stability. The materials are especi... | 03/18/2008 |
| 7329758 | Imidazolidine-based metal carbene metathesis catalysts The present invention relates to novel metathesis catalysts with an imidazolidine-based ligand and to methods for making and using the same. The inventive catalysts are of the formula wherein: | 02/12/2008 |
| 7285593 | Polyolefin compositions optionally having variable toughness and/or hardness The present invention provides novel polyolefin compositions having variable hardness and/or toughness properties. The polyolefin compositions include: a polyolefin prepared by the metathesis of an olefin monomer using a ruthenium or osmium carbene catalyst; and one... | 10/23/2007 |
| 7232535 | Process for coextruding a tacky amorphous propylene copolymer composition with a low viscosity polyolefin and article prepared thereby Disclosed is a process for producing non-blocking slats of normally tacky amorphous propylene copolymers. The process entails coextruding the normally tacky amorphous propylene copolymer with a low viscosity polyolefin such as a polyethylene wax forming a core of am... | 06/19/2007 |
| 7204947 | Method of crosslinking polyolefins A method of forming an engineering component comprising the steps of: subjecting a workpiece or blank formed from polyolefin to gamma radiation at a total dose sufficient to cause a predetermined degree of crosslinking, wherein the... | 04/17/2007 |
| 7205358 | Method for producing a extruded ethylene copolymer The object of the present invention to provide a method for producing a extruded ethylene copolymer that can provide a film having excellent melt tension and fluidity as well as excellent impact strength and appearance (haze and transmittance). This object is achiev... | 04/17/2007 |
| 7160939 | Active masterbatch for production of CO2 generating masterbatch A compound permitting the economic production of packaging containers, which when activated produces concentrated amounts of CO2 gas for extended periods for preservation of perishable products therein, comprises a mixture including a CO2 generating portion incorpor... | 01/09/2007 |
| 7041758 | Catalyst complexes for polymerization and co-polymerization of cyclic olefins A process for polymerizing and copolymerizing cyclic olefins, such as, norbornene is disclosed. The disclosed process uses a catalyst complex that exhibit a high activity for the polymerization and co-polymerization of cyclic olefins and improved stability toward he... | 05/09/2006 |
| 7026377 | High performance fiber reinforced thermoplastic resin, method and apparatus for making the same A process for producing a fiber-reinforced molded article and the resulting article such as a cantilevered battery tray. In the process, thermoplastic material in its solid state having a melt flow index above 25 g/10 minutes is fed into a suitable processing machin... | 04/11/2006 |
| 7005095 | Process for production of vulcanized rubber-resin composites In the production of a vulcanized rubber-resin composite material by providing a vulcanized rubber molding in a mold, followed by injecting a resin into the mold, a vulcanizable adhesive layer containing brominated poly(2,3-dichlorobutadiene-1,3) as the main compone... | 02/28/2006 |
| 6903162 | Preparation of polyethylene films A process for preparing polyethylene thin films is disclosed. The process comprises extruding a blend that comprises a linear low density polyethylene (LLDPE) and a high molecular weight, high density polyethylene (HMW-HDPE) or high molecular weight, medium density ... | 06/07/2005 |
| 6793856 | Melt spinable concentrate pellets having enhanced reversible thermal properties A process for manufacturing extrudable/melt spinnable concentrate pellets which contain phase change materials (PCMs), whether the PCMs are micro-encapsulated absorbed into carrier polymers, or non-micro-encapsulated within the concentrate pellets. The polymer matri... | 09/21/2004 |
| 6749911 | Blaxially oriented hollow bodies based on random propylene terpolymers and process for the manufacture of these hollow bodies The biaxially oriented hollow bodies are obtained by employing random propylene terpolymers which comprise ethylene (0.5 to 5% by weight) and 1-butene (2 to 12% by weight), which have a melting temperature of 120 to 150° C., which are degraded by a free radical gen... | 06/15/2004 |
| 6737006 | Composite products comprising cellulosic materials and synthetic resins and methods of making the same New wood-synthetic resin composite products and methods of forming these products are provided. The products comprise a cellulosic or fibrous material and polypropylene (preferably reactor flake polypropylene). The products are formed by passing ingredients includin... | 05/18/2004 |
| 6696148 | Plastic window panel and process for producing same A plastic window panel for an automotive vehicle comprises a plastic panel of a transparent noncrystalline organic high polymer. Silica particulate is dispersed in the plastic panel and has a particle size not larger than wavelengths of visible light. The... | 02/24/2004 |
| 6677415 | Method of compression moulding of polymer powder and product produced A process of compression moulding an article from a polymer powder comprising; a) applying a polymer powder to a mould; b) compacting the polymer powder by the application of a pressure P; c) raising the temperature of the surface of the mould to a value ... | 01/13/2004 |
| 6548628 | Process for producing a film or layer The present invention relates to single- or multilayer films and one or more layers comprising at least one polyolefin molding composition containing at least one polyolefin derived from at least one olefin having at least 2 carbon atoms, of the formula R... | 04/15/2003 |
| 6508968 | Low compression, resilient golf balls including an inorganic sulfide catalyst and methods for making the same A low compression, resilient golf ball having a center and a cover, wherein at least a portion of the ball is formed from the conversion reaction of an amount of polybutadiene, a free radical source, and a cis-to-trans catalyst including at least one inor... | 01/21/2003 |
| 6503439 | Process for forming shaped articles of ultra high molecular weight polyethylene suitable for use as a prosthetic device or a component thereof Disclosed is a method of producing a shaped article suitable for use as the load bearing component of a prosthetic device formed from ultrahigh molecular weight polyethylene. polyethylene.... | 01/07/2003 |
| 6448341 | Ethylene interpolymer blend compositions Film, molded articles and fibers prepared from ethylene/-olefin interpolymer compositions are disclosed. The interpolymer compositions are blends prepared by combining specified amounts of a narrow molecular weight distribution, narrow composition ... | 09/10/2002 |
| 6417289 | Process for producing LLDPE films with improved impact strength LLDPE films with superior impact strength are obtained by blowing lightly crosslinked LLDPE resins under film extrusion conditions typically used for blowing HDPE film.... | 07/09/2002 |
| 6388051 | Process for selecting a polyethylene having improved processability A process for selecting and extruding a copolymer having improved extrusion processability comprising (a) selecting one or more copolymers of ethylene and one or more alpha-olefins having 3 to 12 carbon atoms, each of said copolymers having essentially no... | 05/14/2002 |
| 6258877 | Method of producing molded products from stripped roofing material A method of converting stripped roofing material into a useful product comprising feeding roofing material removed during repair or reroofing of a building roof into a shredder introducing particles of material from said shredder together with particles o... | 07/10/2001 |
| 6197240 | Method of device having biostable elastomeric polymers having quaternary carbons An article of manufacture and method of making and implanting the article made of a polyolefin star or linear copolymer are disclosed in which the polyolefin copolymer is biostable and crack-resistant when implanted in vivo. The polyolefin copolymer is th... | 03/06/2001 |
| 6121391 | Process for the preparation of polymerisates of vinyl aromatic compounds in a stage using double screw extruders Polymers of vinylaromatic compounds are prepared at from -80 to 150° C. in the presence of metallocene catalyst systems by a process in which polymerization is carried out in one stage with the use of a closely intermeshing twin-screw extruder having cor... | 09/19/2000 |
| 6071461 | Method of making a multiple-layer article having a plastic member with a surface application material effectively bonded thereto A method of making a multiple-layer article having a surface application material effectively bonded to an injection molded plastic member is provided along with a method for making same. At least a portion of an intermediary substratum is located inside ... | 06/06/2000 |
| 5922257 | Process to produce an article that has a granite-like appearance and said article A process to produce an article having a granite-like appearance is disclosed which consists essentially of (a) extruding a first mixture to form a second mixture; and (b) using the second mixture to form an article having a granite-like appearance. The f... | 07/13/1999 |
| 5882565 | Barrier material comprising a thermoplastic and a compatible cyclodextrin derivative A barrier film composition can comprise a thermoplastic web comprising a thermoplastic polymer and a dispersed cyclodextrin composition having substituents that compatibilize the cyclodextrin in the film. The thermoplastic/cyclodextrin film obtains substa... | 03/16/1999 |
| 5853645 | Low pressure molding compositions Improved low pressure molding compositions are disclosed which comprise an unsaturated thermosetting resin, an olefinically unsaturated monomer copolymerizable with the thermosetting resin, a viscosity reducing additive, a thermoplastic additive and a thi... | 12/29/1998 |
| 5853642 | Process for the in-line polymerization of olefinic monomers A process that involves the in-line polymerization of olefinic monomer(s) and catalyst systems comprising a transition metal species that mediates the polymerization of the monomer(s) is disclosed. This process provides the immediate use of the resultant ... | 12/29/1998 |
| 5854328 | Polyolefin elastomer composition A composition for making an elongated molded product which can be satisfactorily used without having to be painted. The composition comprises an elastomer comprising crystalline polypropylene and ethylene--olefin rubber (EOR), and 0 to 15 phr of ta... | 12/29/1998 |
| 5840229 | Method for producing molded article by powder slush molding a thermoplastic elastomer powder A method is described for producing a molded article by molding a thermoplastic elastomer powder having a sphere-reduced average diameter of 0.7 mm or less, a bulk specific gravity of at least 0.38 and a failing property of 20 second/100 ml or less, where... | 11/24/1998 |
| 5840238 | Process for the manufacture of fibre-reinforced composites Fiber-reinforced composites are made from introducing a fabric into the lower part of an open two-part mold, closing the mold and injecting into the mold under pressure and curing a reactive resin mixture comprising (a) a strained cycloolefin and (b) a rutheni... | 11/24/1998 |
| 5814266 | Method for improving consolidation of powder resin A method for improving consolidation of powder resin is provided. The method broadly includes the steps of: (1) sorting particles of the powder resin according to their diameter; (2) combining the sorted particles having a first diameter D1 with the sorte... | 09/29/1998 |
| 5814383 | Containers with improved crease-crack resistance A container with improved crease-crack resistance and a method of making that type of container. The container utilizes a layer of a soft plastic on its exterior to control cracking at outward creases. When the container holds motor oil, the oil itself ma... | 09/29/1998 |
| 5792530 | Food packaging comprising polyketone/PVC blend Food packaging comprises a blend of polyketone and PVC. The blends show good oxygen barrier properties without serious deterioration of moisture barrier performance. Terpolymers of ethylene, propylene and CO are preferred. PVC having a K-value of 50 to 80... | 08/11/1998 |
| 5759927 | Glass-fiber-containing non-woven polymer web, and process for preparing same A glass-fiber-containing nonwoven polymer web is prepared by providing a nonwoven polymer web, applying a layer of glass fibers onto the nonwoven polymer web, and encapsulating the glass fibers into the nonwoven polymer web utilizing heat and pressure. Al... | 06/02/1998 |
| 5759469 | Method for preparing molded articles of syndiotactic polypropylene A molded article of a syndiotactic polypropylene having excellent transparency in which a melting point attributed to the polypropylene having the syndiotactic structure measured at a heating rate of 10° C./minute by differential scanning thermal analysi... | 06/02/1998 |
