Patents by Inventor Lecon Woo

Lecon Woo 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).

  • Patent number: 10507269
    Abstract: A liquid excipient is added to a lock solution formulation containing a lower alcohol and an anti-coagulant, antibiotic, and/or anti-microbial, such as the ethanol and tri-sodium citrate lock solution formulation, to prevent citrate from crystallizing in catheters made from silicone. The locking solution could include a liquid excipient, such as glycerol, polysorbate-20, or polyethylene glycol (PEG)-400, along with a lower alcohol, such as ethanol, and an anti-coagulant, such as tri-sodium citrate, antibiotic, and/or anti-microbial.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: December 17, 2019
    Assignee: Medline Industries, Inc.
    Inventors: Lecon Woo, William Anderson
  • Publication number: 20190224385
    Abstract: A liquid excipient is added to a lock solution formulation containing a lower alcohol and an anti-coagulant, antibiotic, and/or anti-microbial, such as the ethanol and tri-sodium citrate lock solution formulation, to prevent citrate from crystallizing in catheters made from silicone. The locking solution could include a liquid excipient, such as glycerol, polysorbate-20, or polyethylene glycol (PEG)-400, along with a lower alcohol, such as ethanol, and an anti-coagulant, such as tri-sodium citrate, antibiotic, and/or anti-microbial.
    Type: Application
    Filed: April 3, 2019
    Publication date: July 25, 2019
    Inventors: Lecon Woo, William Anderson
  • Patent number: 10300176
    Abstract: A liquid excipient is added to a lock solution formulation containing a lower alcohol and an anti-coagulant, antibiotic, and/or anti-microbial, such as the ethanol and tri-sodium citrate lock solution formulation, to prevent citrate from crystallizing in catheters made from silicone. The locking solution could include a liquid excipient, such as glycerol, polysorbate-20, or polyethylene glycol (PEG)-400, along with a lower alcohol, such as ethanol, and an anti-coagulant, such as tri-sodium citrate, antibiotic, and/or anti-microbial.
    Type: Grant
    Filed: November 25, 2014
    Date of Patent: May 28, 2019
    Assignee: Medline Industries, Inc.
    Inventors: Lecon Woo, William Anderson
  • Publication number: 20160018306
    Abstract: An improved method and apparatus for direct-acting dynamic mechanical analysis that accomodates sample distortion due to environmental (e.g., temperature) variation.
    Type: Application
    Filed: July 17, 2014
    Publication date: January 21, 2016
    Inventor: Lecon Woo
  • Publication number: 20150148287
    Abstract: A liquid excipient is added to a lock solution formulation containing a lower alcohol and an anti-coagulant, antibiotic, and/or anti-microbial, such as the ethanol and tri-sodium citrate lock solution formulation, to prevent citrate from crystallizing in catheters made from silicone. The locking solution could include a liquid excipient, such as glycerol, polysorbate-20, or polyethylene glycol (PEG)-400, along with a lower alcohol, such as ethanol, and an anti-coagulant, such as tri-sodium citrate, antibiotic, and/or anti-microbial.
    Type: Application
    Filed: November 25, 2014
    Publication date: May 28, 2015
    Applicant: EXCELSIOR MEDICAL CORPORATION
    Inventors: Lecon Woo, William Anderson
  • Publication number: 20130047741
    Abstract: An improved method and apparatus for direct acting dynamic mechanical analysis capable of accurate data at high frequencies where during temperature ramping, the sample is not in contact with both of 1) the strain excitation means and 2) the stress sensing means, thus providing numerous advantages and allowing additional analysis of sample dimension data and zero strain state.
    Type: Application
    Filed: August 27, 2012
    Publication date: February 28, 2013
    Inventor: Lecon Woo
  • Publication number: 20090169872
    Abstract: Radiation curable coatings and methods of utilizing the coatings are provided. In a general embodiment, the present disclosure provides a coating composition containing about 15% to about 80% by weight of one or more radiation curable compounds such as polycarbonate acrylate oligomers, polyurethane acrylate oligomer, polyester acrylate oligomers, silicone-based acrylate oligomers, or a combination thereof, and about 10% to about 80% by weight of one or more acrylate monomers.
    Type: Application
    Filed: December 22, 2008
    Publication date: July 2, 2009
    Applicants: BAXTER INTERNATIONAL INC., BAXTER HEALTHCARE S.A.
    Inventors: Vadim V. Krongauz, Michael T. K. Ling, Lecon Woo
  • Patent number: 7550185
    Abstract: The present invention provides a flowable material container assembly having a membrane tube disposed coaxially within a port tube. The membrane tube has an outer layer, a core layer, and an inner layer. The outer layer is a blend of a polyolefin and a thermoplastic elastomer. The core layer is a blend of a polyolefin and a thermoplastic elastomer. The inner layer is a blend of a polyolefin, a radio frequency susceptible polymer, and a thermoplastic elastomer.
    Type: Grant
    Filed: January 24, 2005
    Date of Patent: June 23, 2009
    Assignee: Baxter International Inc.
    Inventors: Michael T. K. Ling, William S. Hurst, Lecon Woo, Algirdas Bindokas, Patrick T. Ryan, Scott D. Edwards, Henk P. Blom, Atul R. Khare
  • Publication number: 20080249247
    Abstract: A monolayer film of a polymer blend of a first component selected from the group consisting of an ethylene containing polymer, the first component present in an amount by weight of the film from about 60% to about 1%, the first component having a first melting point temperature determined by DSC, a second component selected from the group consisting of propylene containing polymers and methyl pentene containing polymers, the second component being present in an amount by weight of the film from about 99% to about 40%, the second component having a second melting point temperature determined by DSC; and the film being capable of withstanding steam sterilization at a temperature from about 100° C. to about 130° C.
    Type: Application
    Filed: May 29, 2008
    Publication date: October 9, 2008
    Applicants: BAXTER INTERNATIONAL INC., BAXTER HEALTHCARE S.A.
    Inventors: Sherwin Shang, Lecon Woo, Tahua Yang, Michael T.K. Ling, Craig Sandford
  • Publication number: 20080226855
    Abstract: A monolayer film of a polymer blend of a first component selected from the group consisting of an ethylene containing polymer, the first component present in an amount by weight of the film from about 60% to about 1%, the first component having a first melting point temperature determined by DSC, a second component selected from the group consisting of propylene containing polymers and methyl pentene containing polymers, the second component being present in an amount by weight of the film from about 99% to about 40%, the second component having a second melting point temperature determined by DSC; and the film being capable of withstanding steam sterilization at a temperature from about 100° C. to about 130° C.
    Type: Application
    Filed: May 29, 2008
    Publication date: September 18, 2008
    Applicants: BAXTER INTERNATIONAL INC., BAXTER HEALTHCARE S.A.
    Inventors: Sherwin Shang, Lecon Woo, Tahua Yang, Michael T.K. Ling, Craig Sandford
  • Publication number: 20080107564
    Abstract: An access device including access site is disclosed for providing access to a medical fluid flow path for the introduction or withdrawal of medical fluids to and from the flow path. The access device includes an indicator for providing a visual indication when the access device has been exposed to an antiseptic agent.
    Type: Application
    Filed: October 18, 2006
    Publication date: May 8, 2008
    Inventors: Shmuel Sternberg, Kent L. Lurvey, Robin G. Pauley, Dustin C. Cawthon, Ton That Hai, Lecon Woo, Ashok K. Khanna, Birendra K. Lal, Michael Tung-Kiung Ling, Vadim V. Krongauz, Rosa H. Yeh, William S. Hoerle, Craig L. Sandford
  • Patent number: 7267885
    Abstract: The present invention provides a flowable materials container. The container has a first sidewall and a second sidewall sealed together along a peripheral seam to define a fluid chamber. At least one sidewall is a film having at least one layer of blend of a first component selected from the group of: (1) ethylene and ?-olefin copolymers having a density of less than about 0.
    Type: Grant
    Filed: March 16, 2000
    Date of Patent: September 11, 2007
    Assignee: Baxter International Inc.
    Inventors: Lecon Woo, Sherwin Shang, Michael T. K. Ling, Yuan-pang Samuel Ding, Tahua Yang, Craig Sanford
  • Patent number: 7011872
    Abstract: A polymer blend for fabricating medical products having a first 1,2 polybutadiene present from about 1% to about 99% by weight of the blend and having a first melting point temperature; and a second 1,2 polybutadiene present from about 1% to about 99% by weight of the blend and having a second melting point temperature higher than the first melting point temperature.
    Type: Grant
    Filed: August 24, 2001
    Date of Patent: March 14, 2006
    Assignee: Baxter International Inc.
    Inventors: Yuan-pang Samuel Ding, Birenda K. Lal, Michael T. K. Ling, Richard Mennenoh, Michael K. Oberhaus, Lecon Woo, Sarah Corbin, George Dillon, Dale Pennington, Chuan Qin, Patrick T. Ryan
  • Patent number: 6969483
    Abstract: The present invention provides a polymer blend for fabricating monolayer films or a layer within a multilayer film. The blend has a first component and a second component. The first component is selected from the group of: (1) an ethylene and ?-olefin copolymer having a density of less than about 0.915 g/cc, (2) lower alkyl acrylates, (3) lower alkyl substituted alkyl acrylates and (4) ionomers. The first component should be present in an amount from about 99% to about 55% by weight of the blend. The second component in an amount by weight of the blend from 45% to about 1% and consists of one or more polymers of the group: (1) propylene containing polymers, (2) polybutene polymers, (3) polymethylpentene polymers, (4) cyclic olefin containing polymers and (5) bridged polycyclic hydrocarbon containing polymers.
    Type: Grant
    Filed: March 16, 2000
    Date of Patent: November 29, 2005
    Assignee: Baxter International Inc.
    Inventors: Lecon Woo, Sherwin Shang, Michael T. K. Ling, Yuan-pang Samuel Ding, Tahua Yang, Craig Sanford, Tao Chang
  • Publication number: 20050158499
    Abstract: The present invention provides a flowable material container closure assembly having a port tube and a membrane tube.
    Type: Application
    Filed: March 14, 2005
    Publication date: July 21, 2005
    Inventors: Michael Ling, William Hurst, Lecon Woo, Algirdas Bindokas, Patrick Ryan, Scott Edwards, Henk Blom, Atul Khare
  • Publication number: 20050123703
    Abstract: The present invention provides a flowable material container assembly having a membrane tube disposed coaxially within a port tube. The membrane tube has an outer layer, a core layer, and an inner layer. The outer layer is a blend of a polyolefin and a thermoplastic elastomer. The core layer is a blend of a polyolefin and a thermoplastic elastomer. The inner layer is a blend of a polyolefin, a radio frequency susceptible polymer, and a thermoplastic elastomer.
    Type: Application
    Filed: January 24, 2005
    Publication date: June 9, 2005
    Inventors: Michael Ling, William Hurst, Lecon Woo, Algirdas Bindokas, Patrick Ryan, Scott Edwards, Henk Blom, Atul Khare
  • Publication number: 20050085785
    Abstract: A monolayer film of a polymer blend of a first component selected from the group consisting of an ethylene containing polymer, the first component present in an amount by weight of the film from about 60% to about 1%, the first component having a first melting point temperature determined by DSC, a second component selected from the group consisting of propylene containing polymers and methyl pentene containing polymers, the second component being present in an amount by weight of the film from about 99% to about 40%, the second component having a second melting point temperature determined by DSC; and the film being capable of withstanding steam sterilization at a temperature from about 100° C. to about 130° C.
    Type: Application
    Filed: October 17, 2003
    Publication date: April 21, 2005
    Inventors: Sherwin Shang, Lecon Woo, Tahua Yang, Michael Ling, Craig Sandford
  • Patent number: 6881790
    Abstract: Multiple component polymer compositions for fabrication into articles. In particular, polymeric compositions comprising a heat resistant polymer; a radio frequency (“RF”) susceptible polymer; a compatibilizing polymer; the composition having physical properties within a range a<40,000 psi; b>=70%; c<30%; d>1.0; e<0.1%; f<0.1%; g>=0.05; h<=60%; i=0; wherein: a is the mechanical modulus of the composition measured according to ASTM D-882; b is the percent recovery in length of the composition after an initial 20% deformation; c is the optical haze of the composition being 9 mils in thickness according to ASTM D-1003; d is the loss tangent of the composition at 1 Hz measured at melt processing temperatures; e is the elemental halogen content by weight of the composition; f is the low molecular weight water soluble fraction of the composition; g is the dielectric loss between 1 and 60 MHz and over temperatures of 25 to 250° C. of the composition; h sample creep measured at 121° C.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: April 19, 2005
    Assignee: Baxter International, Inc.
    Inventors: Dean Laurin, Angeles Lillian Buan, Lecon Woo, Michael T. K. Ling, Yuan Pang Samuel Ding, William Anderson, Larry A. Rosenbaum, Denise S. Hayward, Joseph P. Hoppesch, Gregg Nebgen, Stanley Westphal
  • Patent number: 6869653
    Abstract: The present invention provides a flowable material container closure assembly having a port tube and a membrane tube. The port tube (I) has a first layer and a second layer, (A) the first layer is a polymer blend and (B) the second layer is disposed coaxially within the first layer; and the membrane tube (II) is disposed coaxially within the port tube, the membrane tube has an outer layer, a core layer and an inner layer.
    Type: Grant
    Filed: January 8, 2001
    Date of Patent: March 22, 2005
    Assignee: Baxter International Inc.
    Inventors: Michael T. K. Ling, William S. Hurst, Lecon Woo, Algirdas Bindokas, Patrick T. Ryan, Scott D. Edwards, Henk P. Blom, Atul R. Khare
  • Patent number: 6743523
    Abstract: The present invention provides a multilayer film. The film has a first layer of a blend of a first component selected from the group of: (1) ethylene and a-olefin copolymers having a density of less than about 0.
    Type: Grant
    Filed: March 16, 2000
    Date of Patent: June 1, 2004
    Assignee: Baxter International Inc.
    Inventors: Lecon Woo, Sherwin Shang, Michael T. K. Ling, Yuan-pang Samuel Ding, Tahua Yang, Craig Sanford