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| Number | Title | Issue Date |
| 6762275 | Method to decrease the acetaldehyde content of melt-processed polyesters A method for decreasing acetaldehyde content of melt processed polyester comprising combining with polyester an organic additive compound that scavenges acetaldehyde from polyester. The organic additive compound comprises at least two component molecular fragments, ... | 07/13/2004 |
| 6761618 | Defect-free magnetic stampers/imprinters for contact patterning of magnetic media A method of manufacturing a magnetic stamper/imprinter for use in patterning of magnetic recording media by means of a contact printing process, comprising sequential steps of: (a) providing a stamper/imprinter comprising a body of a magnetic material having ... | 07/13/2004 |
| 6761785 | Method for constructing a composite structure Amethod for constructing a composite structure is disclosed. The method comprises four steps. Step one calls for coupling a flexible layer to a base, where the flexible layer has a working surface and an underside surface. Step two requires coupling at least one sup... | 07/13/2004 |
| 6760685 | Method for matching golfers with a driver and ball A simplified method of matching a golfer to a golf club and a golf ball by measuring the golfer's clubhead speed and comparing that measured value to recorded sets of data which correlates a few key variables that can accurately match the golfer with the most suitab... | 07/06/2004 |
| 6759504 | Method for quenching of polycarbonate and compositions prepared thereby Polycarbonate produced by melt condensation of a diaryl carbonate and a dihydric phenol in the presence of a basic catalyst to produce an intermediate polycarbonate composition is finished by quenching with both an alkyl tosylate quencher and phosphorous acid. The e... | 07/06/2004 |
| 6755997 | Method of making improved vehicle floor coverings Floor coverings and methods of producing same, are provided. A vehicle floor covering includes a barrier layer of polymeric material and a sound-absorbing backing layer bonded to the barrier layer. The barrier layer exposed surface includes various aesthetic and/or ... | 06/29/2004 |
| 6753405 | Preparation of copolycarbonates A process for the preparation of transparent copolycarbonate is disclosed. The copolycarbonate the molecular structure of which contains more than 35 mole % of units derived from dihydroxydiphenylene is prepared by the melt transesterification process wherein the fi... | 06/22/2004 |
| 6753404 | Continuous process for the preparation of copolycarbonate resins A continuous process for the preparation of copolycarbonate resins has great advantages in preparing molding materials of intricate structure or of thin-wall: the molding process may be conducted easily at a relatively low temperature; the copolycarbonate has excell... | 06/22/2004 |
| 6749787 | Composite coating for mold insert and method for making a coated mold insert A mold used to form a magnetic member includes a mold body having a mold opening, a mold support that supports the mold cavity, and a mold insert. The mold insert is disposed in the mold opening of the mold body to form a mold cavity. The mold insert is coated with ... | 06/15/2004 |
| 6750314 | Process for producing an aromatic polycarbonate To produce an aromatic polycarbonate excellent in physical properties and hue by a simplified step as compared with a conventional one. A process for producing an aromatic polycarbonate, which comprises the following steps (1) to (3): (1) a step of rea... | 06/15/2004 |
| 6750313 | Resin composition and articles molded therefrom A resin composition having a high refractive index and low dispersion characteristics including a carbonate residue, a phosphonic acid residue and a dihydric phenol residue, wherein the mol fractions of the phosphonic acid residue and the carbonate residue satisfy | 06/15/2004 |
| 6747119 | Method and system for preparing a polycarbonate, copolymerization reagent and polycarbonate A method for preparing a polycarbonate comprises preparing a free hydroxyl-containing polycarbonate and reacting the hydroxyl-containing polycarbonate with a mixture of (B) a symmetrical optionally activated aromatic carbonic acid diester and (C) an optionally subst... | 06/08/2004 |
| 6733715 | Fabrication of hollow ceramics fibers using unidirectionally oriented organic fibers prearranged based on electrostatic means A method of manufacturing hollow ceramics fibers with the pores of the micron-scale hollow structure unidirectionally oriented, the method of manufacturing is characterized in the steps of dispersing organic fibers in a dielectric liquid and applying high voltage to... | 05/11/2004 |
| 6734278 | Production of polyester carbonates The present invention provides a two-stage process for the production of polyester carbonates with aliphatic dicarboxylic acids, the polyester carbonates obtained thereby, a process for the production of extrudates and molded articles from the polyester carbonates, ... | 05/11/2004 |
| 6734277 | Method of enhancing pit replication in optical disks Polycarbonate compositions incorporating long chain alkylphenol endgroups, for example cardanol, show enhanced pit replication characteristics when molded into optical disks. The enhancement in molding performance is especially pronounced at the shortest mold cycle ... | 05/11/2004 |
| 6730774 | Method and device for decontaminating polycondensates The invention relates to a process and an apparatus for decontaminating polycondensates, such as RPET or similar polymeric materials, in particular comminuted PET bottles. The object is to simplify existing recycling processes. This is achieved by comminuting used P... | 05/04/2004 |
| 6726859 | Fresnel lens, screen, image display device, lens mold manufacturing method and lens manufacturing method A Fresnel lens has a plurality of pitch areas in which a plurality of hybrid type prism portions are arranged. Each hybrid type prism portion has a refraction type prism portion and a total reflection type prism portion. In the refraction type prism portion, a ray o... | 04/27/2004 |
| 6723824 | Optical disk substrate and molding material therefor An optical disk substrate formed of an aromatic polycarbonate resin obtained by a reaction between an aromatic dihydroxy compound and a carbonate diester and in which the content of undissolved substances that emit light by irradiation with light having a wavelength... | 04/20/2004 |
| 6716933 | Working up of polymer synthesis solutions The present invention relates to a process for working up solutions of polymers in organic solvents contaminated by alkaline constituents, using homogeneously soluble acids, especially by the introduction of an acid gas, and subsequent washing, and to the polymers s... | 04/06/2004 |
| 6713594 | Polycarbonate with high extensional viscosity A thermoplastic molding composition that contains a polycarbonate resin having specific extensional Theological properties is disclosed. The composition is particularly suitable for preparing containers. ... | 03/30/2004 |
| 6713593 | Copolymer comprising alkylene carbonate and method of preparing same Disclosed are copolymers including an alkylene carbonate, and a method of preparing the same. The copolymers are represented by Formulas 1 and 2, and they are prepared with terpolymerized lactide or delta-valerolactone, carbon dioxide, and alkylene oxide, in the pre... | 03/30/2004 |
| 6713181 | Compositions containing polycarbonate A thermoplastic molding composition is disclosed. The composition that contains a polymer selected from the group consisting of a polycarbonate, a transparent polycarbonate-polyester-blend, a copolyestercarbonate and a transparent polyester and a compound of formula... | 03/30/2004 |
| 6710159 | Polyamide composition and method for producing the same A process for producing a polyamide or copolyamide freed from volatile constituents by removing the volatile constituents, in particular the monomers and dimers, in at least two stages from the polymer melt by using an, in particular, gaseous entrainer is described.... | 03/23/2004 |
| 6709621 | Bristles of an applicator produced in a laser milled mold A method for injection molding a plastic applicator with a ball of bristles produced integrally with a support handle. The mold consists of two opposing parts. The mold is machined by means of a laser. The mold is laser drilled with gradually decreasing depths of bo... | 03/23/2004 |
| 6699419 | Method of forming a composite article with a textured surface and mold therefor A molding process that uses a textured interfacial layer to isolate the surface of a mold from the surface of a composite article produced with the mold. A solution is deposited on the mold surface to form the interfacial layer, whose surface opposite the... | 03/02/2004 |
| 6696543 | Polyester polycarbonates of particular diphenols Polyestercarbonate resin is disclosed having a molecular structure that contains units derived from dicarboxylic acids and units derived from at least one diphenol selected from the group consisting of formula (IIa) and (IIb) ##STR1## in which R | 02/24/2004 |
| 6682684 | Procedures for rapid build and improved surface characteristics in layered manufacture Methods for improving layered manufacturing techniques to improve an objects' surface properties and shorten manufacturing time for support structures. One aspect of the invention forms surfaces having reduced or no concavities between layers having impro... | 01/27/2004 |
| 6676873 | Flexible, one piece road system for use in scale modeling The present invention revolutionizes a scale modelers ability to quickly and easily create realistic scale roads or paved surfaces by allowing the said user to create said road or road system in any size, shape or configuration. This work is to be perform... | 01/13/2004 |
| 6676872 | Die and process especially for stamping detergent bars A device for stamping a detergent bar, i.e. a bar comprising soap, a synthetic detergent active or a mixture thereof, includes a die. The die has at least one bar stamping surface provided with at least one elastomeric coating which includes a conductive ... | 01/13/2004 |
| 6673287 | Vapor phase surface modification of composite substrates to form a molecularly thin release layer A method of exposing a composite organic/inorganic master to alkylchlorosilanes in the vapor phase. Chlorosilanes participate in facile reactions with hydroxyl groups existing on the surface of inorganic oxides (such as glass or the native oxides on silic... | 01/06/2004 |
| 6673281 | Method of designing and manufacturing a plastic blow-molded container An efficient and cost-effective method of designing and manufacturing a plastic blow molded container having highly artistic sculptural relief. Computer software is utilized to graphically design a container skin shape, create 2-D artwork designs, add 3-D... | 01/06/2004 |
| 6673285 | Reverse fabrication of porous materials 3-D biodegradable porous, polymer (natural or synthetic) scaffolds with well-controlled, interconnected pores, and method for forming the porous materials. Hydrophilic and/or hydrophobic porogen materials were fabricated into 3-D negative replicas of the ... | 01/06/2004 |
| 6670440 | Production process and production system of aromatic polycarbonate There is provided a technique for producing an aromatic polycarbonate which undergoes no deterioration in quality in a gear pump, has excellent hue and contains a small amount of foreign materials even when a production plant is scaled up. In producing th... | 12/30/2003 |
| 6669875 | Method for making a dental mill blank assembly A mill blank assembly for a dental prosthesis includes a milling section and a support section for supporting the assembly in a milling machine. In certain embodiments, the milling section is adhesively bonded to the support section by a direct chemical b... | 12/30/2003 |
| 6663811 | Process for producing a mold The invention concerns a process for producing a mold, wherein a hollow space is formed within a rigid mold frame (2) which corresponds to the shape of the component to be produced. According to the invention one fills the mold frame, with the exception o... | 12/16/2003 |
| 6663143 | Acrylic paint monotype artwork An artwork is made on a surface of a matrix or plate with acrylic paint and then allowing the paint to dry. A layer of a backing material adhesive, such as an acrylic gel, is next applied to the acrylic layer and a backing material (such as paper or cloth... | 12/16/2003 |
| 6664362 | Polycarbonate resin composition and molded article According to the present invention, there are provided a polycarbonate resin composition which comprises (A) 40 to 92 wt % of an aromatic polycarbonate resin (component "a"), (B) 5 to 40 wt % of a styrene-based resin (component "b"), (C) 3 to 20 wt % of a... | 12/16/2003 |
| 6663810 | Method for injection molding helical and straight gear A helical gear is disclosed that is formed by an injection molding process in which the mold cavity is formed of mirror finished hardened stainless steel. The helical gear is disclosed in a gear box that entirely encase the gears, and may be integral with... | 12/16/2003 |
| 6663803 | Fabrication of a fractally attributively delamination resistive composite structure A metal mold is machined via a computer numerically controlled wire-cut electrical discharge technique so as to describe a fractally profiled parallel grooves-and-ridges configuration. Fibers are placed along the mold's grooves. Using the mold combined wi... | 12/16/2003 |
| 6660151 | Microstructure elements and process for the production thereof A microstructured mold is produced from a solid body (metal, ceramic, glass, stone or monocrystalline material) by precision mechanical machining, additive or subtractive structuring. The mold insert is filled and covered by a flowable material and the so... | 12/09/2003 |
