Patents by Inventor Lin Wang

Lin Wang 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).

  • Polymers, containing a fluorocyclobutyl ring and their preparaton
    Publication number: 20040014920
    Abstract: This invention concerns olefins having a terminally disposed fluorocyclobutyl ring bearing an ionic functionality or a precursor thereto, a process for the production thereof, and polymers formed therefrom.
    Type: Application
    Filed: May 1, 2003
    Publication date: January 22, 2004
    Inventors: Peter Arnold Morken, Paul R. Resnick, Lin Wang
  • Valve with improved junk ring structure
    Publication number: 20040004204
    Abstract: The valve with an improved junk ring structure is composed of a main body, a valve disk, a washer and a junk ring. The main body has on one side thereof a stepped surface of which the outermost end has a screw thread portion on the inner wall thereof; the main body has on an inner wall thereof a protrusion. An upper and a lower pivotally connecting block are provided on the valve disk, and are movably connected by an axle provided on the main body. The junk ring has on the outer wall of the periphery thereof a screw thread portion mating with the screw thread portion of the main body. The washer is placed between the main body and the junk ring.
    Type: Application
    Filed: July 2, 2002
    Publication date: January 8, 2004
    Applicant: Value Valves Co., Ltdt
    Inventor: Chia-Lin Wang
  • Test strip for detection of analyte and methods of use
    Publication number: 20030232321
    Abstract: One aspect of the present invention is a reagent test strip that includes: a) a top support layer including a sample aperture; b) a membrane that includes a reagent system for indicating the concentration of a target; c) a spreading layer; d) a bottom support layer including a measuring port in substantial alignment or approximate alignment with the sample aperture. Preferably, the membrane is affixed to the top support layer. Preferably, the membrane is positioned between the top support layer and the bottom support layer. Preferably, the spreading layer is positioned above the top support layer and in substantial or approximate alignment with the sample aperture. Preferably, a fluid applied to the spreading layer, passes through the sample aperture and contacts the membrane.
    Type: Application
    Filed: June 15, 2002
    Publication date: December 18, 2003
    Inventors: Jinn-Nan Lin, Chia-Lin Wang
  • Phosphole and dishosphole ligands for catalysis
    Publication number: 20030225226
    Abstract: Novel reactions used to prepare phosphole and bisphosphole compounds are detailed. Novel phosphole compounds and metal coordination compounds of phosphole and bisphosphole compounds are also provided. These metal coordination compounds are useful as catalysts for the polymerization or olefins with carbon monoxide and for the polymerization of acrylic monomers.
    Type: Application
    Filed: April 11, 2003
    Publication date: December 4, 2003
    Inventors: Paul J. Fagan, George Yanwu Li, Zhibin Guan, Lin Wang
  • Heterocyclic modulators of nuclear receptors
    Publication number: 20030212111
    Abstract: Compounds, compositions and methods for modulating the activity of nuclear receptors are provided. In particular, heterocyclic compounds are provided for modulating the activity of farnesoid X receptor (FXR), liver X receptor (LXR) and/or orphan nuclear receptors. In certain embodiments, the compounds are thiazolidinone derivatives.
    Type: Application
    Filed: December 20, 2002
    Publication date: November 13, 2003
    Inventors: Richard Martin, Brenton Todd Flatt, Jeffrey Dean Kahl, Tie-Lin Wang
  • POLYMERIZATION OF OLEFINS
    Publication number: 20030212225
    Abstract: Olefins containing selected functional groups such as silyl, ether and alkenyl, and often containing a blocking group, may be copolymerized with unsubstituted olefins such as ethylene and propylene in the presence of certain coordination compounds of nickel or palladium. The resulting polymers are useful as molding resins, elastomers, in adhesives and for films.
    Type: Application
    Filed: May 12, 2003
    Publication date: November 13, 2003
    Inventors: Lin Wang, Samuel David Arthur, Elizabeth Forrester McCord, Yueli Wang, Peter Arnold Morken, Lynda Kaye Johnson
  • Copolymers of olefins and vinyl- and allylsilanes
    Publication number: 20030212226
    Abstract: Ethylene and allyl- or vinylsilanes are efficiently copolymerized by certain late transition metal complexes containing selected bidentate or tridentate ligands. The resulting novel polymers may be crosslinked by moisture when vinylsilane contains groups bound to silicon which are hydrolyzable. The polymers are useful for wire coating, crosslinked foams, pipes, and other uses.
    Type: Application
    Filed: November 15, 2002
    Publication date: November 13, 2003
    Inventors: Steven Dale Ittel, Lynda Kaye Johnson, Lin Wang, Ying Wang, Elizabeth Forrester McCord, Catherine E. Radzewich, Stephan J. McLain, Karl J. Sweetman, Alison Margaret Anne Bennett, Alex Sergey Ionkin, Rinaldo S. Schiffino
  • Animal litter, process for preparing animal litter, and method for removal of animal waste
    Publication number: 20030205204
    Abstract: Disclosed are animal litters, processes for preparing animal litters, and methods for removal of animal waste. The disclosed litters are made from ingredients including plant meal, grain germ, citrus residue, and grain bran, usually in combination with a cohesiveness agent and a microbial inhibitor. The litters are provided in the form of discrete plural articles which tend to agglomerate when wetted.
    Type: Application
    Filed: November 20, 2002
    Publication date: November 6, 2003
    Applicant: Grain Processing Corporation
    Inventors: Lin Wang, Thomas A. Wiesner
  • Reticulated ceramic foam catalysts for synthesis gas production
    Patent number: 6630078
    Abstract: Reticulated ceramic monolithic catalysts and non-poisoning catalyst supports comprising one or more metal oxides of chromium, cobalt, nickel, an alkaline earth, a rare earth, or another sinterable metal oxide that are active in any of various chemical oxidation reactions are disclosed. Methods of making the new reticulated ceramic structures comprising impregnating an organic foam or other pore-templating material are also disclosed. Processes for the catalytic conversion of light hydrocarbons to products comprising carbon monoxide and hydrogen employing reticulated ceramic catalysts are described.
    Type: Grant
    Filed: February 16, 2001
    Date of Patent: October 7, 2003
    Assignee: ConocoPhillips Company
    Inventors: Kostantinos Kourtakis, Anne M. Gaffney, Lin Wang
  • Polymers, containing a fluorocyclobutyl ring and their preparation
    Patent number: 6620899
    Abstract: This invention pertains to olefins having a terminally disposed fluorocyclobutyl ring bearing a sulfonyl, sulfonic acid or sulfonate salt, a process for the production thereof, and polymers, especially ionomers, formed therefrom. The invention further pertains to ionically conductive compositions formed by the combination of a liquid and the ionomer of the invention, and electrochemical devices such as electrodes, sensors, and solid polymer electrolytes comprising those conductive compositions. The polymers of the invention arc useful in the formation of films and coatings with high chemical resistance and good physical properties. The ionomers of the invention are useful in electrochemical applications, particularly in lithium batteries. The polymeric compositions of the invention are useful for strong acid catalysis, such as Friedel-Crafts alkylation.
    Type: Grant
    Filed: April 9, 2001
    Date of Patent: September 16, 2003
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Peter Arnold Morken, Paul R. Resnick, Lin Wang
  • Processing polyethylenes
    Patent number: 6620895
    Abstract: Polyethylenes made from ethylene and a series of &agr;-olefins using a catalyst that copolymerizes ethylene and &agr;-olefins usually have excellent melt processing characteristics, especially in uses where high zero shear viscosity and low high shear viscosity are desirable. These polyethylenes are preferably made by forming the &agr;-olefins in situ from ethylene during the polymerization process. The polyethylenes are especially useful in blow molding, extrusion or extruded blown film processes.
    Type: Grant
    Filed: September 28, 2000
    Date of Patent: September 16, 2003
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Patricia Metzger Cotts, William Howard Tuminello, Lin Wang, Joel David Citron
  • Polymerization of olefins
    Patent number: 6613915
    Abstract: Selected olefins such as ethylene and &agr;-olefins are polymerized by nickel [II] complexes of certain monoanionic ligands. The polyolefins are useful in many applications such as molding resins, film, fibers and others. Also described are many novel nickel compounds and their precursors, as well a novel ligands.
    Type: Grant
    Filed: October 13, 1999
    Date of Patent: September 2, 2003
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Lynda Kaye Johnson, Alison Margaret Anne Bennett, Lin Wang, Anju Parthasarathy, Elisabeth Hauptman, Robert D. Simpson, Jerald Feldman, Edward Bryan Coughlin, Steven Dale Ittel
  • Permeable polyaniline articles for gas separation
    Publication number: 20030162939
    Abstract: Immersion precipitation of solutions having 15%-30% (w/w) and various molecular weights of the emeraldine base form of polyaniline in polar aprotic solvents are shown to form integrally skinned asymmetric membranes and fibers having skin layers <1 &mgr;m thick which exhibit improved rates of gas transport while preserving good selectivity. These membranes can be further transformed by an acid doping process after fabrication to achieve excellent permeation rates and high selectivities for particular gas separations. Prior to the use of concentrated EB solutions, the formation of integrally skinned asymmetric membranes was not possible, since films and fibers made from <5% w/w polyaniline solutions were found to disintegrate during the IP process.
    Type: Application
    Filed: February 23, 2001
    Publication date: August 28, 2003
    Inventors: Hsing-Lin Wang, Benjamin R. Mattes
  • Method of forming shallow trench isolation in a substrate
    Publication number: 20030162364
    Abstract: A method of forming shallow trench isolation (STI) in a substrate. A shield layer is formed on part of the substrate. Using the shield layer as a mask, part of the substrate is removed to form a trench in the substrate. A first insulation layer is formed in part of the trench, where the trench remains an opening. The first insulation layer is partially etched back to leave a remaining first insulation layer at the bottom of the trench and to expose the sidewall of the trench above the remaining first insulation layer. The trench is filled up with a second insulation layer extending onto the shield layer. A planarization is performed on the second insulation layer, where the shield layer serves as a stop layer for the planarization. Thus, a void-free trench isolation area is formed in a substrate.
    Type: Application
    Filed: August 6, 2002
    Publication date: August 28, 2003
    Inventors: Ping-Wei Lin, Yao Sheng Yu, Ya-Lin Wang
  • Polymerization of olefins
    Patent number: 6605679
    Abstract: Olefins containing selected functional groups such as silyl, ether and alkenyl, and often containing a blocking group, may be copolymerized with unsubstituted olefins such as ethylene and propylene in the presence of certain coordination compounds of nickel or palladium. The resulting polymers are useful as molding resins, elastomers, in adhesives and for films.
    Type: Grant
    Filed: February 1, 2000
    Date of Patent: August 12, 2003
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Lin Wang, Samuel David Arthur, Elizabeth Forrester McCord, Yueli Wang, Peter Arnold Morken, Lynda Kaye Johnson
  • Manufacture of polyethylenes
    Publication number: 20030149182
    Abstract: Blends of two or more polyethylenes are made by reacting ethylene with an oligomerization catalyst that forms &agr;-olefins, and two polymerization catalysts, one of which under the process conditions copolymerizes ethylene and &agr;-olefins, and the other of which under process conditions does not readily copolymerize ethylene and &agr;-olefins. The blends may have improved physical properties and/or processing characteristics.
    Type: Application
    Filed: February 6, 2003
    Publication date: August 7, 2003
    Inventors: Lin Wang, Maria Spinu, Joel David Citron
  • Polymerization of olefins
    Publication number: 20030130449
    Abstract: Olefins are polymerized by novel transition metal complexes of selected iminocarboxylate and iminoamido ligands, sometimes in the presence of cocatalysts such as alkylaluminum compounds or neutral Lewis acids. Olefins which may be (co)polymerized include ethylene, &agr;-olefins, and olefins containing polar groups such as olefinic esters for example acrylate esters. Also described are certain “Zwitterionic” transition metal complexes as polymerization catalysts for making polar copolymers. The resulting polymers are useful as thermoplastics and elastomers.
    Type: Application
    Filed: October 17, 2002
    Publication date: July 10, 2003
    Inventors: Lin Wang, Lynda Kaye Johnson, Alex Sergey Ionkin
  • Copolymers of ethylene with various norbornene derivatives
    Publication number: 20030130452
    Abstract: Ethylene and norbornene-type monomers are efficiently copolymerized by certain metal complexes, particularly nickel complexes, containing selected anionic and neutral bidentate ligands. The polymerization process is tolerant of polar functionality on the norbornene-type monomer and can be carried out at elevated temperatures.
    Type: Application
    Filed: October 11, 2002
    Publication date: July 10, 2003
    Inventors: Lynda Kaye Johnson, Lin Wang
  • Polymerization of olefins
    Publication number: 20030130453
    Abstract: Olefins are polymerized by novel transition metal complexes of selected iminocarboxylate and iminoamido ligands, sometimes in the presence of cocatalysts such as alkylaluminum compounds or neutral Lewis acids. Olefins which may be (co)polymerized include ethylene, &agr;-olefins, and olefins containing polar groups such as olefinic esters for example acrylate esters. Also described are certain “Zwitterionic” transition metal complexes as polymerization catalysts for making polar copolymers. The resulting polymers are useful as thermoplastics and elastomers.
    Type: Application
    Filed: October 17, 2002
    Publication date: July 10, 2003
    Inventors: Lin Wang, Lynda K. Johnson, Alex S. Lonkin
  • Handle of a pneumatic hammer
    Patent number: D476872
    Type: Grant
    Filed: September 24, 2001
    Date of Patent: July 8, 2003
    Inventor: Kuan Lin Wang