Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| 8062568 | Nano pattern writer A method for manufacturing a nano pattern writer includes forming one or more grooves on a first layer, depositing a substance on the first layer to form a film on the first layer, polishing the film on the first layer to thereby form a patterned film that fills the... | 11/22/2011 |
| 8052908 | Photolithographic mask exhibiting enhanced light transmission due to utilizing sub-wavelength aperture arrays for imaging patterns in nano-lithography A nanophotolithography mask includes a layer of an electrically conductive optically opaque material deposited on a mask substrate in which regular arrays of sub-wavelength apertures are formed. The plasmonic excitation in the layer perforated with the sub-wavelengt... | 11/08/2011 |
| 8048354 | Method of forming supports bearing features, such as lithography masks To manufacture a support made of at least one predetermined material and bearing features: a plurality of superposed layers is produced on a substrate that it is known how to remove, each of the layers being formed from zones of at least two different materials, the... | 11/01/2011 |
| 7972548 | Method for molding composite structures Method for making, modifying and using machinable composite molds for use in molding composite structures. The mold includes a mold body having a tool surface that is shaped to provide the molded surface of the composite structure. The mold body is made up of at lea... | 07/05/2011 |
| 7887729 | Fabricating multi-component skin systems for robotics and other applications A method for fabricating a product, such as an animatronic character, with artificial skin. The method includes providing data defining an exterior surface geometry of the product. A base geometry model of the product is generated based on the exterior surface geome... | 02/15/2011 |
| 7875222 | Method of making an injection molded container A method of making an injection moulded container for housing information storage media, e.g. a DVD, the container having a base portion (10) and a lid portion (11) moveable about a spine portion (12) between open and closed configurations and h... | 01/25/2011 |
| 7867423 | Mould lining Powder metallurgy techniques are utilised to form components and in particular titanium components in moulds. By the nature of the powder forming process, closed surfaces are created in the powder formed component, particularly when hot iso-static pressing technique... | 01/11/2011 |
| 7824590 | Textured surfaces One embodiment of a method of manufacturing a textured surface may include providing a first thermally stable sheet, printing a pattern of material on the first sheet to form a three-dimensional textured surface, and curing the material, then using said first sheet ... | 11/02/2010 |
| 7815834 | Molding apparatus and method An apparatus and method for making a mold or mold face includes a container having at least one opening. The apparatus also includes a flexible membrane that is retained to the container that extends across the opening of the container. The apparatus for making a mo... | 10/19/2010 |
| 7807083 | Method of making a concrete block Molds and processes that permit high-speed, mass production of retaining wall blocks having patterned or other processed front faces, as well as retaining wall blocks formed by such processes. The invention permits the front face of the block to be impressed with a ... | 10/05/2010 |
| 7807082 | Apparatus for fabricating flat panel display device and method for fabricating thereof An apparatus for fabricating a flat panel display device including a preparation unit to form a thin film layer and a etch-resist on a substrate and a hard mold to mold the etch-resist, the hard mold including a back plate and a molding pattern. ... | 10/05/2010 |
| 7799256 | Methods of manufacturing molds and parts Methods of manufacturing molds and parts include generating a computer representation of a master part, determining an undercut region of the master part, generating a computer representation of a core to fill the undercut region, manufacturing a master part assembl... | 09/21/2010 |
| 7785513 | Method of manufacturing molded product and method of manufacturing storage medium A method of manufacturing a molded product includes forming a coat film for covering and concealing particles with the surface of a board while filling the gaps among the particles, and separating the coat film for holding the particles on the reverse side from the ... | 08/31/2010 |
| 7780891 | Elliptical tire mold and method for making same A tire mold having a substantially elliptical base surface and a method for making a tire mold are provided. In one embodiment, a user selects a major axis length for the tire mold, then selects a ratio of the major axis length to a minor axis length. The tire mold ... | 08/24/2010 |
| 7722790 | Anamorphic microlens array An LC display comprises in order (a) a light source, (b) a transparent polymeric film bearing on the light exit surface of the film an array of close-packed convex microlenses having a distribution of sizes and oriented in one direction, whereby the light output is ... | 05/25/2010 |
| 7718105 | Fabricating multi-component skin systems for robotics and other applications A method for fabricating a product, such as an amimatronic character, with artificial skin. The method includes providing data defining an exterior surface geometry of the product. A base geometry model of the product is generated based on the exterior surface geome... | 05/18/2010 |
| 7700024 | Corrugated concrete wall panel form and method of construction thereof The present disclosure provides a corrugated concrete wall panel form and a method of constructing a prefabricated concrete wall panel thereof. The method comprises the steps of placing a layer of insulation boards horizontally on a flat surface on site or in pre-ca... | 04/20/2010 |
| 7695661 | Method for molding composite structures Method for making, modifying and using machinable composite molds for use in molding composite structures. The mold includes a mold body having a tool surface that is shaped to provide the molded surface of the composite structure. The mold body is made up of at lea... | 04/13/2010 |
| 7682541 | Manufacturing method of a microchemical chip made of a resin A manufacturing method of a microchemical chip made of a resin and having a micro channel, which comprises forming a photoresist film over the surface of one side of a metal support substratum, stacking a photomask for the formation of a channel pattern over the pho... | 03/23/2010 |
| 7658877 | Manufacturing micro-structured elements According to the invention, a micro-structured element is manufactured by replicating/shaping (molding or embossing or the like) a 3D-structure in a preliminary product using an replication tool (1). The replication tool comprises a spacer portion (1 | 02/09/2010 |
| 7497980 | Microneedles and microneedle fabrication A master mould is made by wire cutting a plate in two or more directions to provide a base with an array of master mould needles protruding therefrom. The size and shape of the master mould needles can readily be varied by varying the angles of upward and downward c... | 03/03/2009 |
| 7465419 | Method for providing a compliant cantilevered micromold A compliant cantilevered three-dimensional micromold is provided. The compliant cantilevered micromold is suitable for use in the replication of cantilevered microparts and greatly simplifies the replication of such cantilevered parts. The compliant cantilevered mic... | 12/16/2008 |
| 7442303 | Microporous filter membrane, method of making microporous filter membrane and separator employing microporous filter membranes A filter membrane, methods of making such filter membrane and apparatus employing such filter membrane are disclosed, in which the filter membrane is a monolithic polymeric membrane that includes a polymeric filter layer including a micron-scale precision-shaped por... | 10/28/2008 |
| 7431858 | Nanoimprint resist The invention relates to a method for microstructuring electronic components, which yields high resolutions (≦200 nm) at a good aspect ratio while being significantly less expensive than photolithographic methods. The inventive method comprises the following steps... | 10/07/2008 |
| 7422714 | Method of using a shape memory material as a mandrel for composite part manufacturing A method of fabricating and using a removable, inflatable mandrel of shape memory polymer for use in manufacturing composite parts including the steps of providing a processed pre-form of shape memory polymer, replicating a mold with the shape memory polymer, using ... | 09/09/2008 |
| 7410700 | Weatherable multilayer articles and method for their preparation Disclosed are weatherable multilayer articles comprising (i) a coating layer comprising a block copolyestercarbonate comprising structural units derived from at least one 1,3-dihydroxybenzene and at least one aromatic dicarboxylic acid, (ii) a second layer comprisin... | 08/12/2008 |
| 7410606 | Methods for manufacturing three-dimensional devices and devices created thereby A process of making a casting includes the steps of designing a mold (1010), fabricating the layers (or laminations) of the mold (1020), stacking and assembling the laminations into a mold (1030), producing a casting (1060) and demolding ... | 08/12/2008 |
| 7403830 | Method, computer, computer program and computer-readable medium relating to the examination of data records for dental prosthesis parts The invention refers to a method, a computer, a computer program and a computer-readable medium, which refer to the examination of data records that are used for manufacturing dental prosthesis parts. The examination may be the producibility by one or several method... | 07/22/2008 |
| 7399820 | Cyclic oligoformals in polycarbonate A thermoplastic molding composition comprising (co)poly(ester)carbonate, and a cyclic oligoformal is disclosed. The composition that is characterized in its lowered water absorption and improved flowability is suitable for a variety of application including in parti... | 07/15/2008 |
| 7399444 | Adjustable length mold assemblies The invention is directed to adjustable length mold assemblies for forming inflatable members and methods for using adjustable length mold assemblies for forming inflatable members, such as, for example, balloons for use with balloon catheters and stent delivery sys... | 07/15/2008 |
| 7396896 | Poly(trimethylene terephthalate) composition and shaped articles prepared therefrom Poly(trimethylene dicarboxylate) prepared by polycondensation of: (a) 1,3-propanediol; (b) aliphatic or aromatic diacid or diester; and (c) from about 0.01 to about 0.2 mole %, based on the total number of moles of 1,3-propanediol and diacid or ester, of polyfunctio... | 07/08/2008 |
| 7393485 | Method and apparatus for creating a sculpture on a container An efficient and cost-effective method of designing and manufacturing a molded container having highly artistic sculptural relief. Computer software is utilized to design a skin shape, create artwork designs, add relief to the artwork designs, and apply the artwork ... | 07/01/2008 |
| 7388067 | Polyester composition comprising polybutylene terephthalate resin Polyester compositions and methods to prepare and use such compositions are provided. The polyester compositions include a polybutylene terephthalate resin (PBT) and at least one additive, and have a cyclic dimer content of less than 0.35 wt. % relative to the weigh... | 06/17/2008 |
| 7375166 | Polymeric blends for optical devices and method of manufacture thereof A method for manufacturing a film or sheet comprises deforming a polymeric alloy at a temperature effective to impart to the deformed alloy a birefringence retardation of greater than or equal to about 750 nanometers. A method eliminating comets and veins in an opti... | 05/20/2008 |
| 7375177 | Polymers, polymer compositions and method of preparation A polymer comprising at least one structural unit derived from a dihydroxy compound of Formula (I) wherein R1 is an aromatic divalent functionality having 6 to 60 carbons, R2 can be the same or differe... | 05/20/2008 |
| 7371808 | Polymer treating method and apparatus A polymer treating method has the steps of: reacting a polymer compound with a reaction agent in a reaction vessel to generate a polymer treatment product; discharging the polymer treatment product containing the reaction agent from the reaction vessel; depressurizi... | 05/13/2008 |
| 7364682 | Nasal and oral cannula breathing detection device A cannula and method of forming a cannula by forming a cannula mandrel assembly having a nare mandrel, a main body mandrel and mouthpiece mandrel; heating the cannula mandrel assembly, applying a polymeric material to the cannula mandrel assembly to provide a desire... | 04/29/2008 |
| 7357629 | Apparatus and method for aligning a removable build chamber within a process chamber The invention is a rapid prototype apparatus having a removable build chamber and a plurality of alignments surfaces that can be used to properly align the build chamber with the process chamber with minimal adjustments by a user. In one embodiment, the apparatus co... | 04/15/2008 |
| 7357886 | Singular molded and co-molded electronic's packaging pre-forms Molded pre-forms that are used to protect electronic components and assemblies from damage due to vibration, shock and/or thermal exposure. The pre-forms can be singularly molded or co-molded. Co-molded pre-forms can include hard surface layers over softer molded co... | 04/15/2008 |
| 7350558 | Method of venting a spray metal mold The present invention relates to a novel method of venting a spray metal molding surface. More particularly the invention relates to a method of manufacturing a mold using a thermal spray process to produce a metal surface containing passages in the spray metal to v... | 04/01/2008 |