Patents by Inventor Xiaosong Wu
Xiaosong Wu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20150246321Abstract: Microporous membranes comprising a single integral layer having first and second microporous surfaces; and, a porous bulk between the microporous surfaces, wherein the bulk comprises at least a first region and a second region; the first region comprising a first set of pores having outer rims, prepared by removing introduced silica dissolvable nanoparticles, the first set of pores having a first controlled pore size, and a second set of pores connecting the outer rims, the second set of pores having a second controlled pore size, and a polymer matrix supporting the first set of pores, wherein the first controlled pore size is greater than the second controlled pore size; the second region comprising a third set of pores prepared by phase inversion, the third set of pores having a third controlled pore size, filters including the membranes, and methods of making and using the membranes, are disclosed.Type: ApplicationFiled: February 28, 2014Publication date: September 3, 2015Inventors: Xiaosong WU, Yolando DAVID, Shane Edward HARTON, Amarnauth SINGH
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Publication number: 20150210838Abstract: The invention provides a composition comprising at least the following components: A) an ethylene/?-olefin/nonconjugated polyene interpolymer that has the following properties: i) a rheology ratio (V0.1/V100 at 190° C.) greater than, or equal to, 35; ii) a weight average molecular weight (Mw) greater than, or equal to, 200,000 g/mol; and iii) a CCDB (Chemical Composition Distribution Breadth) less than 7; B) a thermoplastic polymer; C) a vulcanization agent; and wherein the interpolymer comprises incorporated oil. The invention also provides a composition comprising the following: A) a first composition comprising: a) a first ethylene/?-olefin/nonconjugated polyene interpolymer; b) a second ethylene/?-olefin/nonconjugated polyene interpolymer; and wherein the first composition has the following properties: i) an MWD less than, or equal to, 3.5, ii) a Mooney Viscosity (ML (1+4, 125° C.Type: ApplicationFiled: March 15, 2013Publication date: July 30, 2015Inventors: Xiaosong Wu, Colin Li Pi Shan
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Publication number: 20140377548Abstract: The multilayer film comprises a first outer layer which is heat sealable. The first outer layer comprises from 95 to 100 percent (by weight of the first outer layer) of a first polymer, said first polymer being derived from propylene monomer and optionally one or more comonomers selected from the group consisting of ethylene and C4-C8 alpha olefins. The first polymer should have a melting point of at least 125 C. The multilayer film further comprises an inner portion adjacent to the first outer layer. The inner portion may be a single layer or may comprise several layers. At least one layer of the inner portion comprises an elastomeric propylene based polymer (“EPBP”). Further at least one layer of the inner portion comprises a second polymer, wherein the second polymer is selected from the group consisting of high pressure low density polyethylene, high density polyethylene, ethylene acrylic acid copolymers, ethylene (meth)acrylic acid copolymers and combinations thereof.Type: ApplicationFiled: December 27, 2012Publication date: December 25, 2014Applicant: Dow Global Technologies LLCInventors: Cyrille Billouard, Shaun Parkinson, Xiaosong Wu, John W. Garnett
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Publication number: 20140357799Abstract: The invention provides a composition comprising at least the following: A) an ethylene/?-olefin interpolymer; B) an olefin-based polymer; and C) a crosslinking agent; and wherein the ethylene/?-olefin interpolymer of component A) has the following properties: i) has a density greater than, or equal to, 0.850 g/cc; ii) a molar ratio of “vinyl to total unsaturation” greater than, or equal to, 1/10; iii) an 110/12 ratio from 6.2 to 40.Type: ApplicationFiled: September 11, 2012Publication date: December 4, 2014Applicant: Dow Global Technologies LLCInventors: Xiaosong Wu, Kim L. Walton, Jeffrey C. Munro
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Patent number: 8731366Abstract: The first aspect of the instant claimed invention is a method of formulating radiation curable Supercoatings for application to an optical fiber used in a telecommunications network. A Multi-layer Film Drawdown Method useful in the Method of formulating radiation curable Supercoatings is also described and claimed. Single mode Optical fibers coated with specific radiation curable Supercoatings are also described and claimed.Type: GrantFiled: March 12, 2013Date of Patent: May 20, 2014Assignee: DSM IP Assets B.V.Inventors: Xiaosong Wu, Steven Robert Schmid, Timothy Edward Bishop, John Monroe Zimmerman, Wendell Wayne Cattron, Edward Joseph Murphy, Pratik Shah
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Patent number: 8724956Abstract: The first aspect of the instant claimed invention is a method of formulating radiation curable Supercoatings for application to an optical fiber used in a telecommunications network. A Multi-layer Film Drawdown Method useful in the Method of formulating radiation curable Supercoatings is also described and claimed. Single mode Optical fibers coated with specific radiation curable Supercoatings are also described and claimed.Type: GrantFiled: March 12, 2013Date of Patent: May 13, 2014Assignee: DSM IP Assets B.V.Inventors: Xiaosong Wu, Steven Robert Schmid, Timothy Edward Bishop, John Monroe Zimmerman, Wendell Wayne Cattron, Edward Joseph Murphy, Pratik Shah
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Publication number: 20140099063Abstract: Radiation curable coatings for use as a Primary Coating for optical fibers, optical fibers coated with said coatings and methods for the preparation of coated optical fibers. The radiation curable coating comprises at least one (meth)acrylate functional oligomer and a photoinitiator, wherein the urethane-(meth)acrylate oligomer CA/CR comprises (meth)acrylate groups, at least one polyol backbone and urethane groups, wherein about 15% or more of the urethane groups are derived from one or both of 2,4- and 2,6-toluene diisocyanate, wherein at least 15% of the urethane groups are derived from a cyclic or branched aliphatic isocyanate, and wherein said (meth)acrylate functional oligomer has a number average molecular weight of from at least about 4000 g/mol to less than or equal to about 15,000 g/mol; and wherein a cured film of the radiation curable Primary Coating composition has a modulus of less than or equal to about 1.2 MPa.Type: ApplicationFiled: December 12, 2013Publication date: April 10, 2014Applicant: DSM IP ASSETS B.V.Inventors: Paulus Antonius Maria STEEMAN, Xiaosong WU, Steven R. SCHMID, Edward J. MURPHY, John M. ZIMMERMAN, Anthony Joseph TORTORELLO
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Patent number: 8691916Abstract: A composition of matter particularly well suited for use as a peelable seal layer is described. The composition comprises from about 50 to about 85 percent by weight of a first polymer and from 15 to 50 percent of a second polymer. The first polymer is a propylene based polymer characterized by having a melting point of at least 125° C. together with a Comonomer Composition Distribution Breadth (“CCDB”) less than 2. The second polymer is characterized by having an interfacial adhesion with the first polymer of less than 1 lb/inch.Type: GrantFiled: May 7, 2012Date of Patent: April 8, 2014Assignee: Dow Global Technologies LLCInventors: Xiaosong Wu, Kim L. Walton, Lamy J. Chopin, III, Morgan M. Hughes
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Publication number: 20140064692Abstract: The first aspect of the instant claimed invention is a method of formulating radiation curable Supercoatings for application to an optical fiber used in a telecommunications network. A Multi-layer Film Drawdown Method useful in the Method of formulating radiation curable Supercoatings is also described and claimed. Single mode Optical fibers coated with specific radiation curable Supercoatings are also described and claimed.Type: ApplicationFiled: March 12, 2013Publication date: March 6, 2014Applicant: DSM IP ASSETS B.V.Inventors: Xiaosong WU, Steven Robert SCHMID, Timothy Edward BISHOP, John Monroe ZIMMERMAN, Wendell Wayne CATTRON, Edward Joseph MURPHY, Pratik SHAH
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Publication number: 20130316111Abstract: A composition comprising at least the following components: (A) a first composition comprising the following: i) a first interpolymer comprising, in polymerized form, ethylene, an ?-olefin, and a nonconjugated polyene; ii) a second interpolymer comprising, in polymerized form, ethylene, an ?-olefin and a nonconjugated polyene; and wherein the first composition has an MWD less than, or equal to, 3.5, a Mooney Viscosity (ML (1+4 @125° C.)) greater than, or equal to, 80, and an [(ML(1+4 @125° C.))/Mw(conv)]*1000 greater than 0.429 mole/g; (B) a thermoplastic polymer; and (C) a vulcanization agent is provided. A crosslinked composition made by heating one or more of the inventive compositions is also provided. Articles made from one or more of the inventive compositions are also provided.Type: ApplicationFiled: December 29, 2011Publication date: November 28, 2013Inventors: Xiaosong Wu, Jose M. Rego, Kim L. Walton, Brian W. Walther, Michael D. Read
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Publication number: 20130306356Abstract: Methods are provided for fabricating three-dimensional electrically conductive structures. Three-dimensional electrically conductive microstructures are also provided. The method may include providing a mold having at least one microdepression which defines a three-dimensional structure; filling the microdepression of the mold with at least one substrate material; molding the at least one substrate material to form a substrate; and depositing and patterning of at least one electrically conductive layer either during the molding process or subsequent to the molding process to form an electrically conductive structure. In one embodiment, the three-dimensional electrically conductive microstructure comprises an electrically functional microneedle array comprising two or more microneedles, each including a high aspect ratio, polymeric three dimensional substrate structure which is at least substantially coated by an electrically conductive layer.Type: ApplicationFiled: April 30, 2013Publication date: November 21, 2013Applicant: Georgia Tech Research CorporationInventors: Mark G. Allen, Seong-O Choi, Jung-Hwan Pauk, Xiaosong Wu, Yanzhu Zhao, Yong-Kyu Yoon, Swaminathan Rajaraman
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Publication number: 20130296494Abstract: A composition of matter particularly well suited for use as a peelable seal layer is described. The composition comprises from about 50 to about 85 percent by weight of a first polymer and from 15 to 50 percent of a second polymer. The first polymer is a propylene based polymer characterized by having a melting point of at least 125° C. together with a Comonomer Composition Distribution Breadth (“CCDB”) less than 2. The second polymer is characterized by having an interfacial adhesion with the first polymer of less than 1 lb/inch.Type: ApplicationFiled: May 7, 2012Publication date: November 7, 2013Applicant: Dow Global Technologies LLCInventors: Xiaosong Wu, Kim L. Walton, Lamy J. Chopin, III, Morgan M. Hughes
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Publication number: 20130236709Abstract: The invention provides an optical fiber coated with a Supercoating, wherein the Supercoating comprises at least two layers, wherein the first layer is a Primary Coating that is in contact with the outer surface of the optical fiber and the second layer is a Secondary Coating in contact with the outer surface of the Primary Coating, wherein the cured Primary Coating on the optical fiber has the following properties after initial cure and after one month aging at 85° C. and 85% relative humidity: A) a % RAU of from about 84% to about 99%; B) an in-situ modulus of between about 0.15 MPa and about 0.60 MPa; and C) a Tube Tg, of from about ?25° C. to about ?55° C.; wherein the cured Secondary Coating on the optical fiber has the following properties after initial cure and after one month aging at 85° C. and 85% relative humidity: A) a % RAU of from about 80% to about 98%; B) an in-situ modulus of between about 0.60 GPa and about 1.90 GPa; and C) a Tube Tg, of from about 50° C. to about 80° C.Type: ApplicationFiled: April 22, 2013Publication date: September 12, 2013Applicant: DSM IP ASSETS B.V.Inventors: Steven Robert SCHMID, Petrus Jacobus Hubertus NIELS, Paulus Antonio Maria STEEMAN, Xiaosong WU, Wendell Wayne CATTRON, Tyson Dean NORLIN, Edward Joseph MURPHY, John M. ZIMMERMAN, Anthony Joseph TORTORELLO
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Patent number: 8476366Abstract: Embodiments of the invention provide block composites and their use in thermoplastic vulcanizate compounds.Type: GrantFiled: October 1, 2010Date of Patent: July 2, 2013Assignee: Dow Global Technologies, LLCInventors: Kim L. Walton, Brian W. Walther, Robert T. Johnston, Jose M. Rego, Xiaosong Wu
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Patent number: 8426020Abstract: The invention provides an optical fiber coated with a Supercoating, wherein the Supercoating comprises at least two layers, wherein the first layer is a Primary Coating that is in contact with the outer surface of the optical fiber and the second layer is a Secondary Coating in contact with the outer surface of the Primary Coating, wherein the cured Primary Coating on the optical fiber has the following properties after initial cure and after one month aging at 85° C. and 85% relative humidity: A) a % RAU of from about 84% to about 99%; B) an in-situ modulus of between about 0.15 MPa and about 0.60 MPa; and C) a Tube Tg, of from about ?25° C. to about ?55° C.; wherein the cured Secondary Coating on the optical fiber has the following properties after initial cure and after one month aging at 85° C. and 85% relative humidity: A) a % RAU of from about 80% to about 98%; B) an in-situ modulus of between about 0.60 GPa and about 1.90 GPa; and C) a Tube Tg, of from about 50° C. to about 80° C.Type: GrantFiled: December 13, 2007Date of Patent: April 23, 2013Assignee: DSM IP Assets B.V.Inventors: Steven R. Schmid, Petrus Jacobus Hubertus Niels, Paulus Antonius Maria Steeman, Xiaosong Wu, Wendell Wayne Cattron, Tyson Dean Norlin, Edward J. Murphy, John M. Zimmerman, Anthony Joseph Tortorello
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Publication number: 20120128313Abstract: The invention relates to radiation curable compositions. The invention provides radiation curable optical fiber primary coating compositions comprising an oligomer, a reactive diluent monomer blend comprising at least two reactive diluents monomers, and at least one photoinitiator, wherein each of said monomers in said blend has the formula (I) wherein x is an integer of from 1 to 6; n is an integer of from 1 to 5; and each Y, which may be the same or different, is independently selected from the group consisting of hydrogen, a C1 to C12 alkyl group and an alkarylalkoxylated acrylate radical; and at least one photoinitiator; said reactive diluent monomer blend being substantially free of non-aryl reactive diluent monomers; wherein when an aryl reactive diluent monomer is present that has a molecular weight less than about 300, it is present at no more than about 10 wt. % of the total formulation.Type: ApplicationFiled: October 8, 2010Publication date: May 24, 2012Inventors: Xiaosong Wu, Timothy Edward Bishop, Joan Monroe Zimmerman, Long Han
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Publication number: 20120128314Abstract: The first aspect of the instant claimed invention is a method of formulating radiation curable Supercoatings for application to an optical fiber used in a telecommunications network. A Multi-layer Film Drawdown Method useful in the Method of formulating radiation curable Supercoatings is also described and claimed. Single mode Optical fibers coated with specific radiation curable Supercoatings are also described and claimed.Type: ApplicationFiled: October 8, 2010Publication date: May 24, 2012Inventors: Xiaosong Wu, Steven Robert Schmid, Timothy Edward Bishop, John Monroe Zimmerman, Wendell Wayne Cattron, Edward Joseph Murphy, Pratik Shah, Margaret Brumm
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Patent number: 8173095Abstract: In a method of making a functionalized graphitic structure, a portion of a multi-layered graphene surface extending from a silicon carbide substrate is exposed to an acidic environment so as to separate graphene layers in a portion of the multi-layered graphene surface. The portion of the multi-layered graphene surface is exposed to a functionalizing material that binds to carbon atoms in the graphene sheets so that the functionalizing material remains between the graphene sheets, thereby generating a functionalized graphitic structure. The functionalized graphitic structure is dried in an inert environment.Type: GrantFiled: September 30, 2008Date of Patent: May 8, 2012Assignee: Georgia Tech Research CorporationInventors: Walt A. de Heer, Xiaosong Wu, Michael Sprinkle, Claire Berger
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Publication number: 20110082258Abstract: Embodiments of the invention provide block composites and their use in thermoplastic vulcanizate compounds.Type: ApplicationFiled: October 1, 2010Publication date: April 7, 2011Applicant: Dow Global Technologies Inc.Inventors: Kim L. Walton, Brian W. Walther, Robert T. Johnston, Jose M. Rego, Xiaosong Wu
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Publication number: 20090236609Abstract: In a method of making a functionalized graphitic structure, a portion of a multi-layered graphene surface extending from a silicon carbide substrate is exposed to an acidic environment so as to separate graphene layers in a portion of the multi-layered graphene surface. The portion of the multi-layered graphene surface is exposed to a functionalizing material that binds to carbon atoms in the graphene sheets so that the functionalizing material remains between the graphene sheets, thereby generating a functionalized graphitic structure. The functionalized graphitic structure is dried in an inert environment.Type: ApplicationFiled: September 30, 2008Publication date: September 24, 2009Applicant: GEORGIA TECH RESEARCH CORPORATIONInventors: Walt A. de Heer, Xiaosong Wu, Michael Sprinkle, Claire Berger