Patents Examined by Hai Yan Zhang
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Patent number: 10252291Abstract: The present invention relates to a method for the preparation of a medical device element by means of extrusion or injection molding and to medical devices comprising such extruded or injection molded medical device elements. The medical device elements (e.g. tubes, wires, lines, stents, catheters, guides, endodontic instruments, needles, trocars for e.g. laparoscopic surgery, laparoscopic accessories, surgical instruments, guide wires) are characterized by a prefabricated shaped article or a thermoplastic substrate polymer having thereon a layer of a covalently cross-linked coating composition of a thermoplastic matrix polymer and a hydrophilic polymer. The method involves a coating composition comprising a thermoplastic matrix polymer, a hydrophilic polymer, and one or more photo-initiator(s), e.g. covalently linked to molecules of the thermoplastic matrix polymer and/or to molecules of the hydrophilic polymer.Type: GrantFiled: December 21, 2012Date of Patent: April 9, 2019Assignee: Coloplast A/SInventors: Niels Jorgen Madsen, Egon Triel, Bo Rud Nielsen, Carsten Hoj
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Patent number: 9890461Abstract: The present disclosure relates to a chemically treated zinc-based plated steel sheet that is superior in weather resistance, water resistance, blackening resistance and film adhesion. A chemical conversion film having a thickness 0.5-10 ?m is formed by coating and drying a chemical treatment solution on a surface of an aluminum-containing zinc-based alloy plated steel sheet. The chemical treatment solution contains a fluororesin containing 0.05-5% by weight of a hydrophilic functional group selected from the group consisting of a carboxyl group and a sulfonic acid group and 7-20% by weight of a fluorine atom, the fluororesin in which a number-average molecular weight is 1,000-2,000,000, and an oxoate, a fluoride, a hydroxide, an organic salt, a carbonate or a peroxygenated salt of a group 4A metal.Type: GrantFiled: October 26, 2015Date of Patent: February 13, 2018Assignee: NISSHIN STEEL CO., LTD.Inventors: Masanori Matsuno, Koichiro Ueda, Masaya Yamamoto, Hirofumi Taketsu
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Patent number: 9878464Abstract: The disclosure relates to compositions for preservation of cellulosic materials and methods of applying compositions for preservation of cellulosic materials. The compositions comprise a pre-polymer and optional nonionic surfactants and other additives. Compositions of optional nonionic surfactant mixtures and pre-polymers can be used advantageously in methods to preserve cellulosic materials by application of the material with preservatives at ambient atmospheric pressures.Type: GrantFiled: June 29, 2012Date of Patent: January 30, 2018Assignee: Apinee, Inc.Inventors: Joseph L. Stark, Forrest S. Schultz
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Patent number: 9861580Abstract: A method of making active pharmaceutical ingredient particles with surface-modified nanoparticles deposited on the particles' surfaces, the method comprising: providing a plurality of media particles having surfaces with the surface-modified nanoparticles deposited on the surfaces; mixing the plurality of media particles with the active ingredient particles, both of which are in dry form, to provide active ingredient particles having surfaces with the surface-modified nanoparticles deposited on the surfaces; and separating the plurality of media particles from the active ingredient particles having surfaces with the surface-modified nanoparticles deposited on the surfaces is disclosed.Type: GrantFiled: June 22, 2009Date of Patent: January 9, 2018Assignee: 3M Innovative Properties CompanyInventors: Michael W. Mueting, Daniel C. Duan, Stephen W. Stein
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Patent number: 9840629Abstract: A method includes coating a substrate to provide a flame resistant substrate. In an embodiment, the method includes preparing a solution. The solution includes an anionic material, a cationic material, and water. The method further includes exposing the substrate to the solution to produce a coating on the substrate. The coating has cationic material and anionic material.Type: GrantFiled: November 5, 2014Date of Patent: December 12, 2017Assignee: The Texas A&M University SystemInventor: Jaime C. Grunlan
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Patent number: 9822482Abstract: The present invention relates to a method for preparing a functional film via coffee oil, comprising (a) extracting a coffee oil from coffee; (b) modifying the coffee oil to obtain an epoxidized coffee oil; (c) adding an alcohol into the epoxidized coffee oil to obtain a coffee polyol; (d) synthesizing a polyurethane dispersive solution with the coffee polyol; (e) coating a surface of a substrate with the polyurethane dispersive solution; and (f) drying and fixing the surface of the substrate. The present invention further provides a functional textile comprising a functional film prepared by the method of above.Type: GrantFiled: November 15, 2012Date of Patent: November 21, 2017Assignee: Singtex Industrial Co., Ltd.Inventors: Kuo-Chin Chen, Li-Hsun Chang, Lai-Hung Wan
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Patent number: 9809713Abstract: The invention describes novel compositions of crosslinkers that include at least two pendent photoactivatable groups, such as benzophenone moieties, and an initiator, such as acetophenone.Type: GrantFiled: September 3, 2009Date of Patent: November 7, 2017Assignee: INNOVATION SURFACE TECHNOLOGIES, INC.Inventors: Timothy A. Bloomquist, Mark W. Josephson, Laurie R. Lawin, Kristin S. Taton, Jie Wen
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Patent number: 9777164Abstract: An allergen reducing agent is provided that contains a terpenoid polymer or copolymer as an active component, and that functions to reduce allergens such as mites and pollen, and is capable of suppressing coloring.Type: GrantFiled: September 26, 2014Date of Patent: October 3, 2017Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Kenji Sakamoto, Shigeharu Fukuzawa, Hiroyuki Omura, Shoichi Nakamoto, Kazumasa Rokushima
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Patent number: 9724729Abstract: Method of modifying the coating of a surface of a medical device by applying a coating to the surface of the medical device, exposing the medical device to an environmental condition that alters the coating morphology, and drying the coating on the medical device. The disclosed subject matter also provides a coated medical device whose one or more surfaces have been modified by this method.Type: GrantFiled: December 22, 2010Date of Patent: August 8, 2017Assignee: ABBOTT LABORATORIESInventors: Victoria M. Gong, John Stankus, Stephen D. Pacetti, Anthony S. Andreacchi, Benny Serna, Binh Nguyen
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Patent number: 9662677Abstract: Method of coating an expandable member, e.g. balloon, is provided, the method comprising providing an expandable member having an outer surface. The method includes a plasma treatment with a supply of gas performed on at least a portion of the outer surface of the expandable member. A therapeutic agent is applied on at least the plasma treated portion of the outer surface of the expandable member after the plasma treatment is performed. The plasma treatment can reduce the adhesion of therapeutic agent to the surface of the expandable member. A medical device made by the disclosed method is also provided.Type: GrantFiled: September 15, 2010Date of Patent: May 30, 2017Assignee: ABBOTT LABORATORIESInventors: Anthony S. Andreacchi, Stephen D. Pacetti, John Stankus, Victoria M. Gong, Michael J. Leonard, Binh Nguyen
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Patent number: 9610386Abstract: A method for electrostatic coating of medical devices such as stents and balloons is described. The method includes applying a composition to a polymeric component of a medical device which has little or no conductivity. The polymeric component could be a material from which the body or a strut of the stent is made or could be a polymeric coating pre-applied on the stent. The polymeric component could be the balloon wall. A charge can then be applied to the polymeric component or the polymeric component can be grounded. Charged particles of drugs, polymers, biobeneficial agents, or any combination of these can then be electrostatically deposited on the medical device or the coating on the medical device. One example of the composition is iodine, iodine, iodide, iodate, a complex or salt thereof which can also impart imaging capabilities to the medical device.Type: GrantFiled: October 15, 2014Date of Patent: April 4, 2017Assignee: Abbott Cardiovascular Systems Inc.Inventors: Cameron K. Kerrigan, Stephen D. Pacetti
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Patent number: 9593796Abstract: There are provided a hot-dip galvanized steel pipe in which the plating layer thereof is less liable to peel off even if the steel pipe is worked, and a method of manufacturing the hot-dip galvanized steel pipe. The hot-dip galvanized steel pipe includes a steel pipe and the plating layer formed on the surface of the steel pipe. Throughout the entire depth of plating layer, the fn defined by the following formula is at least 99.9: fn=Fe+Al+Zn where, the symbol of an element in the formula represents the content (mass %) of that element in the plating layer.Type: GrantFiled: December 13, 2012Date of Patent: March 14, 2017Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Kouichi Okamoto, Hiroshi Takebayashi, Yoshitaka Soga
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Patent number: 9447502Abstract: Provided is a means for fixing calcium phosphate onto the surface of a metal by a treatment method which uses no acid and produces less residue. A method of producing a calcium phosphate composite in which calcium phosphate is bonded to the surface of a base material, the method including a surface treatment step of bringing the surface of the base material into contact with a surface treating agent, and then into contact with a silane coupling agent, to surface treat the base material; a polymerization step of initiating, after the surface treatment step, polymerization of the silane coupling agent by means of a polymerization initiator; and a bonding step of bonding the silane coupling agent at the surface of the base material after the polymerization step, with calcium phosphate; wherein the base material is a metal, and the surface treating agent is ozone water.Type: GrantFiled: April 30, 2009Date of Patent: September 20, 2016Assignees: IWATANI CORPORATION, SOFSERA CORPORATIONInventors: Kunihiko Koike, Yasumichi Kogai, Masami Nakagawa
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Patent number: 9394612Abstract: The present invention relates to a method for manufacturing an implant, in particular an intraluminal endoprosthesis, with a body containing metallic material, preferably iron. The method includes the following steps to control degradation of the implant: (i) providing the body of the implant; and (ii) tribochemically treating at least part of the body surface by means of beam particles. An implant produced in this way is also described.Type: GrantFiled: May 25, 2010Date of Patent: July 19, 2016Assignee: BIOTRONIK VI PATENT AGInventors: Ullrich Bayer, Bjoern Klocke
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Patent number: 9376746Abstract: Embodiments described herein provide methods and apparatus for treating a magnetic substrate having an imprinted, oxygen-reactive mask formed thereon by implanting ions into a magnetically active surface of the magnetic substrate through the imprinted oxygen-reactive mask, wherein the ions do not reduce the oxygen reactivity of the mask, and removing the mask by exposing the substrate to an oxygen-containing plasma. The mask may be amorphous carbon, through which carbon-containing ions are implanted into the magnetically active surface. The carbon-containing ions, which may also contain hydrogen, may be formed by activating a mixture of hydrocarbon gas and hydrogen. A ratio of the hydrogen and the hydrocarbon gas may be selected or adjusted to control the ion implantation.Type: GrantFiled: December 14, 2012Date of Patent: June 28, 2016Assignee: APPLIED MATERIALS, INC.Inventors: Martin A. Hilkene, Roman Gouk, Matthew D. Scotney-Castle, Peter I. Porshnev
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Patent number: 9266145Abstract: The present invention provides improved medical devices for use in surgical procedures and methods for manufacturing improved medical devices. In some embodiments, the improved medical devices can include improved surgical needles that are capable of being repeatedly passed through tissue using minimal force. More particularly, the improved surgical needles can be manufactured with two or more different coatings that provide the surgical needles with both durability and lubricity for ease of repeated and successive passes through tissue. Improved methods for manufacturing the surgical needles and for providing and applying coatings to the surgical needles are also provided.Type: GrantFiled: March 8, 2013Date of Patent: February 23, 2016Assignee: Ethicon, LLCInventors: Robert Maurer, S. Neil Bar, Eric Hinrichs, Michael Hamilton, Thomas Wilkes
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Patent number: 9259219Abstract: The present invention provides novel medical devices for use in surgical procedures and methods for manufacturing novel medical devices. In some embodiments, the novel medical devices can include surgical needles that are capable of being repeatedly passed through tissue using minimal force. More particularly, the surgical needles can be manufactured with one or more coatings that provide the surgical needles with both durability and lubricity for ease of repeated and successive passes through tissue. Novel methods for manufacturing the surgical needles and for providing and applying coatings to the surgical needles are also provided.Type: GrantFiled: August 18, 2010Date of Patent: February 16, 2016Assignee: Ethicon, LLCInventors: Robert Maurer, S. Neil Bar, Eric Hinrichs, Michael Hamilton, Thomas Wilkes
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Patent number: 9221075Abstract: The present invention provides improved medical devices for use in surgical procedures and methods for manufacturing improved medical devices. In some embodiments, the improved medical devices can include improved surgical needles that are capable of being repeatedly passed through tissue using minimal force. More particularly, the improved surgical needles can be manufactured with two or more different coatings that provide the surgical needles with both durability and lubricity for ease of repeated and successive passes through tissue. Improved methods for manufacturing the surgical needles and for providing and applying coatings to the surgical needles are also provided.Type: GrantFiled: August 18, 2010Date of Patent: December 29, 2015Assignee: Ethicon, Inc.Inventors: Robert Maurer, S. Neil Bar, Eric Hinrichs, Michael Hamilton, Thomas Wilkes
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Patent number: 9072664Abstract: Powder drug compositions exhibiting improved flow properties are manufactured by spraying a suspension of surface-modified nanoparticles having an average particle size diameter of less than 100 nm in a dryable liquid carrier onto particles of a powder ingredient of a drug composition. The liquid carrier is rapidly dried so as to leave the nanoparticles on the powder. Other ingredients of the powder drug composition can also be added.Type: GrantFiled: April 17, 2009Date of Patent: July 7, 2015Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Stephen W. Stein, Michael W. Mueting, Timothy D. Dunbar
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Patent number: 9062240Abstract: According to an embodiment, a method for thermally insulating a portion of a tubular located inside an enclosed conduit comprises the steps of: (A) introducing a grouting composition into an annulus between the tubular and the enclosed conduit, the grouting composition comprising: (i) a water-swellable binding material comprising water-swellable clay; (ii) an aqueous liquid, wherein the aqueous liquid is the continuous phase of the grouting composition; and (iii) an insulating material; and (B) allowing the grouting composition to set after the step of introducing, wherein after setting the grouting composition has a thermal conductivity of less than 0.3 BTU/hr·ft·° F.Type: GrantFiled: June 14, 2010Date of Patent: June 23, 2015Assignee: Halliburton Energy Services, Inc.Inventors: Eric B. Frantz, Charles R. Landis