| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 264488000 | High energy or particulate radiation (e.g., X-ray, gamma ray, neutron, etc.) | 13 |
| 20090045552 | Positive resist composition for recording medium master, and method of producing recording medium master and method of producing stamper using the same - Provided are a positive resist composition for recording medium master showing excellent plating resistance and adhesion to a base plate such as glass or the like characterized by containing a vinyl polymer which has a monomer unit having an alkali-soluble group blocked by an alkyl vinyl ether, and a method of producing a recording medium master or stamper using this positive resist composition. | 02-19-2009 |
| 20090057960 | RESIN MOLD AND PROCESS FOR PRODUCING A MOLDED ARTICLE USING THE MOLD - A resin mold used for replicating a pattern of protrusions and depressions to a molded article in the photo nano imprint lithography for producing a molded article having a pattern of protrusions and depressions on the surface, which comprises a mold material comprising at least one resin selected from thermoplastic resins having a nonpolar alicyclic structure and thermoplastic resins having an alicyclic structure having a halogen atom; and a process for producing a molded article having a pattern of protrusions and depressions on the surface, which comprises replicating the pattern to a layer for replication disposed on a substrate using the resin mold described above in accordance with the photo nano imprint lithography. The resin mold is used for producing a molded article having a pattern of protrusions and depressions of the nanometer level on the surface and exhibits excellent property of releasing the molded article from the mold. | 03-05-2009 |
| 20090085260 | BIODEGRADABLE MATERIAL AND PROCESS FOR PRODUCING THE SAME - A biodegradable aliphatic polyester, such as polylactic acid, is mixed with a monomer having allyl and molded into a molding having the crosslinking degree of the biodegradable aliphatic polyester increased. Thereafter, the molding is exposed to ionizing radiation to thereby obtain a molding excelling in heat resistance. Triallyl isocyanurate or triallyl cyanurate is used as the monomer having allyl. | 04-02-2009 |
| 20100219564 | Resin Molding Apparatus and Resin Molding Process - Conventional production of plastic products not releasing harmful organic molecules requires a high injection or extrusion pressure in order to avoid heating of a resin to high temperature, resulting in use of a large-sized and heavy resin molding apparatus having high electric power consumption. The employment of a method of inhibiting oxidative decomposition and catalytic decomposition enables the formation of a molten plastic having an extremely low viscosity without decomposition or dissociation even at high temperature, whereby the molding of the resin can be conducted at a very low injection or extrusion pressure to attain the downsizing and weight saving of the resin molding apparatus. | 09-02-2010 |
| 20110109017 | METHODS FOR MAKING OXIDATION RESISTANT POLYMERIC MATERIAL - The present invention relates to methods for making oxidation resistant medical devices that comprise polymeric materials, for example, ultra-high molecular weight polyethylene (UHMWPE). The invention also provides methods of making antioxidant-doped medical implants, for example, doping of medical devices containing cross-linked UHMWPE with vitamin E by diffusion and materials used therein. | 05-12-2011 |
| 20120187607 | POLYETHYLENE CROSS-LINKED WITH AN ANTHOCYANIN - A method for manufacturing of ultrahigh molecular weight polyethylene (UHMWPE) for implants, where the implants have been machined out of UHMWPE blocks or extruded rods, has anthocyanin dispersely imbedded in the polyethylene. The implant is then exposed to γ ray or electron beam irradiation in an amount of at least 2.5 Mrad followed by a heat treatment to prevent the implant from becoming brittle in the long term as well as to improve strength and wear. The method includes mixing a powder or granulate resin of UHMWPE with an aqueous liquid that contains anthocyanin in a predetermined amount. The water is evaporated in order to deposit the anthocyanin in a predetermined concentration on the polyethylene particles. The doped UHMWPE particles are compressed into blocks at temperatures in a range of approximately 135° C.-250° C. and pressures in a range of approximately 2-70 MPa. Medical implants are made from the blocks. | 07-26-2012 |
| 20130214458 | SAMPLE PREPARATION METHOD AND APPARATUS - Provided is a sample preparation method, including: while displaying a SEM image of a first cross-section of a sample on a display screen, subjecting the first cross-section to etching processing by scanning and irradiation of a focused ion beam, thereby exposing a second cross-section; and while displaying a SEM image of another cross-section on the display screen, changing a scanning direction of the focused ion beam while performing the scanning and irradiation of the focused ion beam and subjecting the second cross-section to etching processing, thereby exposing a desired cross-section of the sample. | 08-22-2013 |
| 20140097559 | METHODS FOR MAKING OXIDATION-RESISTANT CROSS-LINKED POLYMERIC MATERIALS - The present invention relates to methods for making cross-linked oxidation-resistant polymeric materials and preventing or minimizing in vivo elution of antioxidant from the antioxidant-containing polymeric materials. The invention also provides methods of doping polymeric materials with a spatial control of cross-linking and antioxidant distribution, for example, vitamin E (α-Tocopherol), and methods for extraction/elution of antioxidants, for example, vitamin E (α-tocopherol), from surface regions of antioxidant-containing polymeric materials, and materials used therewith also are provided. | 04-10-2014 |
| 20140131924 | METHODS OF FORMING A POLYMERIC COMPONENT - A method of forming a plurality of polymeric components comprises the steps of: providing an array of preforms ( | 05-15-2014 |
| 20140131925 | ORTHOPEDIC COMPONENT OF LOW STIFFNESS - An orthopedic component having multiple layers that are selected to provide an overall modulus that is substantially lower than the modulus of known orthopedic components to more closely approximate the modulus of the bone into which the orthopedic component is implanted. In one exemplary embodiment, the orthopedic component is an acetabular shell. For example, the acetabular shell may include an outer layer configured for securement to the natural acetabulum of a patient and an inner layer configured to receive an acetabular liner. The head of a femoral prosthesis articulates against the acetabular liner to replicate the function of a natural hip joint. Alternatively, the inner layer of the acetabular shell may act as an integral acetabular liner against which the head of the femoral prosthesis articulates. | 05-15-2014 |
| 20150298366 | METHOD OF MAKING PRECISION-MOLDED ARTICLES BY POLYMERIZING ETHYLENICALLY-UNSATURATED MATERIALS IN A MOLD USING IONIZING RADIATION - Methods of (co)polymerizing ethylenically-unsaturated materials, including the steps of providing a mixture of free radically (co)polymerizable ethylenically-unsaturated material in a mold, exposing the mixture in the mold to a source of ionizing radiation for a time sufficient to initiate (co)polymerization of at least a portion of the free radically (co)polymerizable ethylenically-unsaturated material, and allowing the free radically (co)polymerizable ethylenically-unsaturated material to (co)polymerize in the mold while continuing to expose the mixture to the source of ionizing radiation for a time sufficient to yield an at least partially (co)polymerized (co)polymer. The ethylenically-unsaturated materials are selected from vinyl-functional monomers, vinyl-functional oligomers, vinyl-functional macromers, and combinations thereof. The mixture is preferably free of thermally-induced or UV-induced free radical polymerization initiators. The source of ionizing radiation may be a gamma ray source, an x-ray source, an electron beam source with an emission energy greater than 300 keV, and combinations thereof. | 10-22-2015 |
| 20160067910 | TEMPLATE, TEMPLATE MANUFACTURING METHOD, AND IMPRINTING METHOD - According to one embodiment, a pattern region for a device and a mark region are provided on one and the same surface of a substrate. First concave portions are provided in the pattern region, and second concave portions are provided in the mark region. Embedded in the substrate are alignment marks opposed to bottom surfaces of the second concave portions. | 03-10-2016 |
| 20160193756 | MICROSTRUCTURAL MATERIALS AND FABRICATION METHOD THEREOF | 07-07-2016 |
