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| Number | Title | Issue Date |
| 7087660 | Preparation of components and articles with directed high frequency energy heated silica-rich rubber components containing high softening point polymer and sulfur curative This invention relates to a process of preparation of components and articles of manufacture containing at least one of such components, such as tires, and the resulting prepared components and fabricated articles, by use of directed high frequency energy internally... | 08/08/2006 |
| 6692679 | Cross-linked molded plastic bearings A method is provided for forming a plastic prosthesis bearing, net-shape bearing, near net-shape bearing or plastic stock from which such a bearing can be formed. The method includes the steps of providing plastic resin in powdered form, subjecting the po... | 02/17/2004 |
| 6562540 | Process for medical implant of cross-linked ultrahigh molecular weight polyethylene having improved balance of wear properties and oxidation resistance A medical implant of ultrahigh molecular weight polyethylene having an improved balance of wear properties and oxidation resistance is prepared by irradiating a preform of ultrahigh molecular weight polyethylene, annealing the irradiated preform in the ab... | 05/13/2003 |
| 6340718 | Method of radiation treatment for fluoropolymer materials A source of radiation (10,12), particularly a pulsed accelerated electron beam, directs a beam of radiation through an irradiation chamber (14, 50). The irradiation chamber is depleted of oxygen and oxygen containing gases, such as being drawn to a vacuum... | 01/22/2002 |
| 6316158 | Process for medical implant of cross-linked ultrahigh molecular weight polyethylene having improved balance of wear properties and oxidation resistance A medical implant of ultrahigh molecular weight polyethylene having an improved balance of wear properties and oxidation resistance is prepared by irradiating a preform of ultrahigh molecular weight polyethylene, annealing the irradiated preform in the ab... | 11/13/2001 |
| 6242507 | Process for medical implant of cross-linked ultrahigh molecular weight polyethylene having improved balance of wear properties and oxidation resistance A medical implant of ultrahigh molecular weight polyethylene having an improved balance of wear properties and oxidation resistance is prepared by irradiating a preform of ultrahigh molecular weight polyethylene, annealing the irradiated preform in the ab... | 06/05/2001 |
| 6184265 | Low temperature pressure stabilization of implant component Wear resistance and oxidation resistance of polymer material or a polymer component for bioimplantation are improved by packaging a polymer object in a sealed gas impermeable package substantially free of oxygen, irradiating the package with penetrating r... | 02/06/2001 |
| 6017975 | Process for medical implant of cross-linked ultrahigh molecular weight polyethylene having improved balance of wear properties and oxidation resistance A medical implant of ultrahigh molecular weight polyethylene having an improved balance of wear properties and oxidation resistance is prepared by irradiating a preform of ultrahigh molecular weight polyethylene, annealing the irradiated preform in the ab... | 01/25/2000 |
| 5883151 | Continuous method for producing polypropylene mixtures of increased stress-crack resistance and melt strength Polypropylene mixtures of increased stress-crack resistance and melt strength can be produced by irradiating polypropylene powders with low average particle diameters by low energy electron-beam accelerators with energies of 150 to 300 keV. The polypropyl... | 03/16/1999 |
| 5605936 | Foamed articles comprising high melt strength propylene polymer material Disclosed is a normally solid, high molecular weight, non-linear, substantially gel-free, propylene polymer material characterized by high melt strength due to strain hardening which is believed to be caused by free-end long chain branches of the molecula... | 02/25/1997 |
| 5541236 | High melt strength, propylene polymer, process for making it, and use thereof Disclosed is a normally solid, high molecular weight, non-linear, substantially gel-free, propylene polymer material characterized by high melt strength due to strain hardening which is believed to be caused by free-end long chain branches of the molecula... | 07/30/1996 |
| 5260349 | Electron beam curable epoxy compositions Deep section epoxy compositions are cured by irradiation with e-beam, x-ray,or γ-ray radiation. Use of photoinitiators having metal halide anions makes monomers and oligomers especially susceptible of this invention's deep section curing technology.... | 11/09/1993 |
| 5230832 | Galactomannan-agarose binary gel for nucleic acid electrophoresis A method for forming an agarose electrophoretic gel by addition of gamma-irradiated clarified galactomannan (γCGM) to optically clarify the gel and improve the electrophoretic fractionation and resolution of oligonucleotides differing in molecular weight... | 07/27/1993 |
| 5211959 | Processes for producing slow-release powders A process for producing a slow-release powder which permit various active ingredients such as perfumes, insect control agents, rust inhibitors, mold inhibitors and antibacterial agents to be slowly released over a prolonged time, the process comprising th... | 05/18/1993 |
| 5126209 | Transparent polyurethane layer resistant to fogging, method of manufacture and glazing provided with said layer A transparent polyurethane layer which is resistant to fogging. The layer contains monomers and/or oligomers of acrylic acid or of salts of said acid grafted radiochemically to the surface of said layer. The layer is used as a coating layer for laminated ... | 06/30/1992 |
| 4644020 | Production of high molecular weight vinyl lactam polymers and copolymers Water-soluble polymers comprising an N-vinyl lactam are found to be useful in processes wherein the polymer is introduced into a subterranean wellbore. Polymers useful in the recovery of natural resources are prepared by polymerizing an N-vinyl lactam by ... | 02/17/1987 |
| 4560617 | Magnetic recording medium A magnetic recording medium comprising fine ferromagnetic particles as the main component and a binder composed of a mixture of a radiation sensitive soft resin, a radiation sensitive modified resin and a partially saponified vinyl chloride-vinyl acetate ... | 12/24/1985 |
| 4537734 | Method for reducing the monomer content in acrylonitrile containing polymers The monomer content in acrylonitrile containing polymers, as for example bottles formed from acrylonitrile/styrene copolymer, is substantially reduced by applying ionizing radiation at conventional rates in low dosage levels.... | 08/27/1985 |
| 4496446 | Modification of polyglycolic acid structural elements to achieve variable in-vivo physical properties The physical properties of structural surgical elements which are made from bioabsorbable materials having a glycolic ester linkage can be controlled so that the rate of strength loss and degradation in vivo is altered to achieve disintegration into fragm... | 01/29/1985 |
| 4477327 | Discoloration resistant, flexible, radiation curable coating compositions A low dosage radiation polymerizable protective and decorative coating composition or paint, coated articles bearing such a protective coating and processess for preparing such articles. The radiation polymerizable coating composition comprises an organic... | 10/16/1984 |
| 4251340 | Terpolymerization of ethylene, sulfur dioxide and carbon monoxide This invention relates to a high molecular weight terpolymer of ethylene, sulfur dioxide and carbon monoxide stable to 280° C. and containing as little as 36 mol % ethylene and about 41-51 mol % sulfur dioxide; and to the method of producing said terpoly... | 02/17/1981 |
| 4187159 | Process for forming a crosslinked polyvinyl chloride foam and product thereof by means of radiation crosslinking Crosslinked polyvinyl chloride foams are formed by first expanding a polyvinyl chloride containing plastisol comprising a blowing agent, and a reactive crosslinking plasticizer to form a foamed composition and then subjecting the foamed composition to irr... | 02/05/1980 |
| 4057657 | Curable pre-polymer compositions, method of making and method of coating articles therewith Prepolymers prepared by U.V. or γ irradiation of an ethylenically unsaturated monomer or monomers until a predetermined but incomplete degree of polymerization has been achieved. Coatings formed by the U.V. or electron beam curing of such prepolymers are... | 11/08/1977 |
| 4045416 | Amine acrylate addition reaction product compositions Compositions containing an amine acrylate and another radiation curable composition. The amine acrylates are produced by the reaction of a diacrylate ester and an organic amine. The compositions are rapidly cured by electron beam radiation as well as othe... | 08/30/1977 |
| 4025391 | Preparation of bead-shaped immobilized enzyme Bead-shaped immobilized enzymes are obtained by adding a solution containing an enzyme and at least one water-soluble monomer or polymer to a water insoluble or slightly soluble fluid to form a mixture having enzyme-containing beads therein, freezing the ... | 05/24/1977 |
| 4025477 | Acrylated epoxidized soybean oil urethane derivatives The urethane derivatives of acrylated epoxidized soybean oil, which is the reaction product of epoxidized soybean oil with acrylic acid or methacrylic acid, are produced by the reaction of acrylated epoxidized soybean oil with an organic isocyanate. The d... | 05/24/1977 |
| 3976552 | Water-soluble graft polymers produced by an outwardly dry radiation polymerization process A method was discovered of graft polymerizing water-soluble monomers with starch under conditions which are outwardly dry appearing. Conversion of monomer to polymer is nearly quantitative; and, since excess water is not present, there is no need for sepa... | 08/24/1976 |
| 3931075 | Acrylated epoxidized soybean oil amine compositions and method The amine derivatives of acrylated epoxidized soybean oil, which is the reaction product of epoxidized soybean oil with acrylic acid or methacrylic acid are produced by the reaction of acrylated epoxidized soybean oil with an organic amine. They are usefu... | 01/06/1976 |
