Quotables
"There is practically no chance communications space satellites will be used to provide better telephone, telegraph, television, or radio service inside the United States."
T. Craven, FCC Commissioner ; 1961
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 |
| 7329116 | Double-webbed mandrel An mandrel for extrusion of hollow bodies, such as, polyvinyl chloride (PVC) hard, compact, and foamed pipes, includes an inner collar, an outer collar, and a middle collar, each of the collars being radially joined by webs to the particular adjoining collar. Each i... | 02/12/2008 |
| 7322814 | Film or sheet forming apparatus To form a film or sheet relatively thin and needing a high degree of precision in thickness, such as for an optical use, while suppressing temperature fluctuations at one side opposite to the other side in contact with an outer peripheral surface of a roll (11 | 01/29/2008 |
| 7101460 | Soft paper product including beneficial agents A method is disclosed for topical application of compositions containing a chemical additive onto a paper web. The present invention is also directed to paper products formed from the method. In general, the method includes the steps of extruding a composition conta... | 09/05/2006 |
| 7045173 | Coating process for producing web form products involving application of electrostatic charges and subsequent charge neutralization A process for producing products in web form comprising at least two layers, in which a composition emerging from an applicator is applied as a layer to a substrate in web form which is guided on a transport means, the application taking place with application of el... | 05/16/2006 |
| 6994533 | Extruder with condenser A method and apparatus for producing microporous films. The method utilizes a casting surface and a condensing surface. The condensing surface is spaced from the casting surface to form a gap. The distance between the surfaces forming the gap is relatively small and... | 02/07/2006 |
| 6969441 | Method and apparatus for producing laminated articles In the invention, a method is provided for producing a composite nonwoven fabric. A polymer is extruded into heated continuous filaments, possibly elastic, from the die head to a first chilled roller, wherein the extruder is configured to provide the continuous fila... | 11/29/2005 |
| 6953544 | Method of making a respirator that has a fluorinated electret A method of making a respirator, which method includes placing an electret in a respirator body that is adapted to fit over the nose and mouth of a wearer. The electret is disposed in the respirator body such that air passes through it before being inhaled by a resp... | 10/11/2005 |
| 6919115 | Thermally conductive drive belt The present invention provides for a power transfer belt that is manufactured of a highly thermally conductive polymer composition, in contrast to the typical rubber material used to fabricate the belts of the prior art. The new and unique belt of the present invent... | 07/19/2005 |
| 6846449 | Method of producing an electrically charged film A method of producing an electrically charged film includes the steps of forming a molten thermoplastic material into a web, electrically charging the web while the web is at a temperature substantially at or above a solidification temperature thereof, cooling the w... | 01/25/2005 |
| 6838039 | Film roll body and method of manufacturing film roll body The present invention provides a film roll comprising an electrified portion at at least part in the transverse direction of a film that is wound into a roll, in which the difference between the maximum width and the minimum width of the electrified portion is 10 mm... | 01/04/2005 |
| 6797225 | Process for producing polyester sheet and film A process for producing a polyester sheet by dropping a molten polyester sheet extruded from an orifice-form nozzle on a cooling roll having the grooves of a large number of micro-cracks formed on the surface, closely adhering it to the cooling roll and solidifying ... | 09/28/2004 |
| 6790404 | Process of making microporous film A method and apparatus for producing microporous films. The method utilizes a casting surface and a condensing surface. The condensing surface is spaced from the casting surface to form a gap. The distance between the surfaces forming the gap is relatively small and... | 09/14/2004 |
| 6685871 | Toughened biaxially oriented film Toughened biaxially oriented polyamide films prepared by dry blending i) a polyamide homopolymer, copolymer, or blends thereof; and ii) a functionalized polyolefin terpolymer comprising maleic anhydride, ethyl acrylate, and an olefin, to thereby form a dr... | 02/03/2004 |
| 6660210 | Method of making fluorinated electrets An electret is described that includes a plasma surface modified polymeric article having plasma surface fluorination produced by fluorinating the polymeric article.... | 12/09/2003 |
| 6605324 | Liquid crystal resin laminated film, method for manufacturing the same, and circuit board comprising liquid crystal resin laminated film Disclosed are a liquid-crystalline resin laminated film comprising a liquid-crystalline resin layer and a non-liquid-crystalline thermoplastic resin layer laminated on at least one surface of the liquid-crystalline resin layer, and having an interlayer ad... | 08/12/2003 |
| 6537652 | Biaxially oriented electrical insulation film having improved shrinkage at elevated temperatures A biaxially oriented polypropylene film is described. The n-heptane-insoluble content of the film has a chain isotacticity index, measured by 13-C-NMR spectroscopy, of at least 95%. In particular, the film should have the lowest possible shrinkage (transv... | 03/25/2003 |
| 6428610 | Hepa filter The present invention is directed toward a filter media for a high efficiency particulate air ("HEPA") filter including a multiplicity of adjacent electrostatically charged piles of nonwoven fabric. The invention further includes a method of making a HEPA... | 08/06/2002 |
| 6419871 | Plasma treatment of filter media The present invention is drawn to an improved electrostatic filter medium comprising a web of electret fibers which have been treated with fluorine-containing plasmas at a deposition amount of about 0.03 g/m2 to about 1.5 g/m2 ; elec... | 07/16/2002 |
| 6409958 | Method of producing biaxially stretched polyester film This invention provides a method of producing a biaxially stretched polyester film with regulating casting conditions of a polyester film at a high speed so as not to induce surface defects caused by entrapping air microbubbles between a cooling drum and ... | 06/25/2002 |
| 6361734 | Process for producing polyester composition A process for producing a polyester composition, comprising polyester and a metal salt of an aliphatic carboxylic acid, whereby a metal salt and polyester are fed together into a vented extruder as a raw material. The raw material has a specific resistanc... | 03/26/2002 |
| 6287505 | Self-tuning material and method for manufacturing the same Self-tuning materials which can efficiently emit or receive radio waves in spite of being simple in their construction and small in their dimension, and are applied to patch antenna, wave directors or the like. Metallic chips containing two or more kinds ... | 09/11/2001 |
| 6261342 | Method of removing particulate solid or liquid aerosol from a gas A method of removing particulate solid or liquid aerosol from a gas, which method comprises the step of: passing a particulate solid or liquid aerosol containing gas through an electret filter that comprises a polymer and a performance enhancing additive,... | 07/17/2001 |
| 6228313 | Process for producing incompatible polymer-containing polyester film The present invention relates to a process for producing a polyester film containing a incompatible polymer, comprising: using a vented twin-screw extruder having a material feed port and vents in the cylinder, and melt-extruding a substantially undried polyes... | 05/08/2001 |
| 6221301 | Method of producing thermoplastic resin films and apparatus for producing the same Method and apparatus for producing thermoplastic resin film which allows a biaxially oriented polyester film to be formed at a high speed of 400 m/min or more. In the method, a molten thermoplastic resin film is brought into contact with a cooling medium,... | 04/24/2001 |
| 5989651 | Phase separation apparatus A phase separation apparatus such as a filter element or papermaking belt comprises an ormocer which provides abrasion resistance, cleanliness and stability.... | 11/23/1999 |
| 5597645 | Nonwoven filter media for gas The present invention provides a filter medium, which contains an electretized nonwoven web of crimped fibers selected from the group consisting of spunbond filaments and staple fibers, wherein the nonwoven web has a Frazier permeability equal to or great... | 01/28/1997 |
| 5562874 | Multilayered antioxidant film A coextruded multilayer film having increased retention of volatile antioxidants and process for making the film. The multilayer film includes an antioxidant layer containing a volatile antioxidant, said antioxidant layer being semipermeable to the volati... | 10/08/1996 |
| 5494619 | Improved electrostatic pinning method A process for improving adhesion of a thermoplastic polymeric resin on a casting surface by using an electrostatic pinning wire in conjunction with a conductive shield. The method includes the steps of extrusion casting a sheet of molten polymer from a di... | 02/27/1996 |
| 5188774 | Aromatic polyester film and process for producing the same The present invention enables production of an aromatic polyester film having no surface defect and a uniform thickness, while achieving a high productivity, by allowing a molten film of an aromatic polyester to adhere onto a rotating cooling drum to cool... | 02/23/1993 |
| 5100593 | Poly(arylene sulfide) sheet and production process thereof A poly(arylene sulfide) sheet excellent in planarity and smoothness is formed of a poly(arylene sulfide) having a melt viscosity, η.sup.* of 1,000-25,000 poises as measured at 310° C. and a shear rate of 200 sec-1, and a melt crystallization ... | 03/31/1992 |
| 5037587 | Preparation process of polyimide film In the preparation of a film by melt-extrusion process of thermoplastic polyimide, static charge is applied to a molten film, primary cooling is carried out by adhering the film to a cooling roller having a surface temperature in the range of from the gla... | 08/06/1991 |
| 5000889 | Process for preparing polyamide film A process for preparing a polyamide type film which comprises melt-extruding a polyamide resin having a metal compound and a melt specific resistance of not more than 1.5×105 Ωcm at 260° C. in a form of a film, contacting the melt-extruded f... | 03/19/1991 |
| 4963388 | Method for forming particle-impregnated one-sided cling stretch wrap film A method for forming a one-sided cling stretch wrap film by adhering a particulate antiblock to one surface of the film while the surface is in a semiplastic state, applying a particle-embedding force to the surface and removing excess particulate matter.... | 10/16/1990 |
| 4769190 | Process for producing polyphenylene sulfide film Disclosed herein is a process for producing a polyphenylene sulfide film, which comprises melt-molding polyphenylene sulfides in a sheet-like form from a die, casting the thus obtained sheet-like form onto a chilled drum on which an adhering liquid has be... | 09/06/1988 |
| 4478772 | Process for preparing cast film of thermoplastic resin A process for preparing a thermoplastic resin film by extruding a molten thermoplastic film-forming resin in the form of a continuous molten film onto an electrically grounded moving quenching surface, passing the molten film in proximity to but out of co... | 10/23/1984 |
| 4309368 | Electrostatic pinning of extruded thermoplastic film Apparatus and process for the extrusion and quenching of thermoplastics films wherein the film is electrostatically pinned to a cooled quenching surface by means of a blade electrode having a charge-emitting edge which is non-linear and conforms substanti... | 01/05/1982 |
| 4166089 | Corona free pinning of extruded polymer film The adhesion or pinning of an extruded film forming polymer to a moving quenching member is improved, in the absence of corona discharge, by maintaining the quenching member at an electrical potential while the extrusion die is grounded, one magnitude of ... | 08/28/1979 |
| 4129630 | Process for producing thermoplastic resin films having reduced thickness unevenness A process for producing a film of reduced thickness unevenness which comprises extruding a thermoplastic resin from an extrusion die into a film form, exposing the extrudate to an electric field induced by an electrostaticity applying electrode, and then ... | 12/12/1978 |
| 4046842 | Casting of polymeric film AC electrostatic-pinning for the casting and quenching of polymeric film, especially polyethylene terephthalate film.... | 09/06/1977 |
| 4028032 | Apparatus for precision electrostatic pinning An apparatus for the precision positioning of electrostatic pinning means. The electrostatic pinning means, which significantly improves pinning of a thermoplastic polymeric film cast upon a moving surface, by electrostatic force, is precisely positioned,... | 06/07/1977 |
