Patents by Inventor Bethany Steichen

Bethany Steichen 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).

  • Controlling moisture in and plasticization of bioresorbable polymer for melt processing
    Patent number: 10213949
    Abstract: Methods and systems for controlling the moisture content of biodegradable and bioresorbable polymer resin during extrusion above a lower limit that allows for plasticization of the polymer resin melt and below an upper limit to reduce or prevent molecular weight loss are disclosed. Methods are further disclosed involving plasticization of a polymer resin for feeding into an extruder with carbon dioxide and freon.
    Type: Grant
    Filed: September 11, 2015
    Date of Patent: February 26, 2019
    Assignee: ABBOTT CARDIOVASCULAR SYSTEMS INC.
    Inventors: Bethany Steichen, Stephen Pacetti, Manish Gada, Thierry Glauser, Lothar Kleiner, Yunbing Wang, James Oberhauser, Ni Ding
  • CONTROLLING MOISTURE IN AND PLASTICIZATION OF BIORESORBABLE POLYMER FOR MELT PROCESSING
    Publication number: 20150375437
    Abstract: Methods and systems for controlling the moisture content of biodegradable and bioresorbable polymer resin during extrusion above a lower limit that allows for plasticization of the polymer resin melt and below an upper limit to reduce or prevent molecular weight loss are disclosed. Methods are further disclosed involving plasticization of a polymer resin for feeding into an extruder with carbon dioxide and freon.
    Type: Application
    Filed: September 11, 2015
    Publication date: December 31, 2015
    Inventors: Bethany Steichen, Stephen Pacetti, Manish Gada, Thierry Glauser, Lothar Kleiner, Yunbing Wang, James Oberhauser, Ni Ding
  • Controlling crystalline morphology of a bioabsorbable stent
    Patent number: 9211682
    Abstract: Methods to expand polymer tubing with desirable or optimum morphology and mechanical properties for stem manufacture and fabrication of a stent therefrom are disclosed.
    Type: Grant
    Filed: January 4, 2013
    Date of Patent: December 15, 2015
    Assignee: ABBOTT CARDIOVASCULAR SYSTEMS INC.
    Inventors: Thierry Glauser, Vincent Gueriguian, Bethany Steichen, James Oberhauser, Manish Gada, Lothar Kleiner, Mary Beth Kossuth
  • Controlling moisture in and plasticization of bioresorbable polymer for melt processing
    Patent number: 9168677
    Abstract: Methods and systems for controlling the moisture content of biodegradable and bioresorbable polymer resin during extrusion above a lower limit that allows for plasticization of the polymer resin melt and below an upper limit to reduce or prevent molecular weight loss are disclosed. Methods are further disclosed involving plasticization of a polymer resin for feeding into an extruder with carbon dioxide and freon.
    Type: Grant
    Filed: June 20, 2014
    Date of Patent: October 27, 2015
    Assignee: Abbott Cardiovascular Systems Inc.
    Inventors: Bethany Steichen, Stephen Pacetti, Manish Gada, Thierry Glauser, Lothar Kleiner, Yunbing Wang, James Oberhauser, Ni Ding
  • CONTROLLING MOISTURE IN AND PLASTICIZATION OF BIORESORBABLE POLYMER FOR MELT PROCESSING
    Publication number: 20140298675
    Abstract: Methods and systems for controlling the moisture content of biodegradable and bioresorbable polymer resin during extrusion above a lower limit that allows for plasticization of the polymer resin melt and below an upper limit to reduce or prevent molecular weight loss are disclosed. Methods are further disclosed involving plasticization of a polymer resin for feeding into an extruder with carbon dioxide and freon.
    Type: Application
    Filed: June 20, 2014
    Publication date: October 9, 2014
    Inventors: Bethany Steichen, Stephen Pacetti, Manish Gada, Thierry Glauser, Lothar Kleiner, Yunbing Wang, James Oberhauser, Ni Ding
  • Controlling moisture in and plasticization of bioresorbable polymer for melt processing
    Patent number: 8841412
    Abstract: Methods and systems for controlling the moisture content of biodegradable and bioresorbable polymer resin during extrusion above a lower limit that allows for plasticization of the polymer resin melt and below an upper limit to reduce or prevent molecular weight loss are disclosed. Methods are further disclosed involving plasticization of a polymer resin for feeding into an extruder with carbon dioxide and freon.
    Type: Grant
    Filed: August 11, 2011
    Date of Patent: September 23, 2014
    Assignee: Abbott Cardiovascular Systems Inc.
    Inventors: Bethany Steichen, Stephen D. Pacetti, Manish Gada, Thierry Glauser, Lothar W. Kleiner, Yunbing Wang, James P. Oberhauser, Ni Ding
  • Biodegradable stent with enhanced fracture toughness
    Publication number: 20140128959
    Abstract: Stents and methods of manufacturing a stents with enhanced fracture toughness are disclosed.
    Type: Application
    Filed: October 9, 2013
    Publication date: May 8, 2014
    Applicant: Abbott Cardiovascular Systems Inc.
    Inventors: David C. Gale, Bin Huang, Timothy A. Limon, Vincent J. Gueriguian, Anthony J. Abbate, Klaus Kleine, Stephen Schaible, Jonathan P. Durcan, Thierry Glauser, Bethany Steichen, James Oberhauser, Manish Gada, Lothar Kleiner, Mary Beth Kossuth, Yunbing Wang, Daniel Castro, David Wrolstad
  • Biodegradable stent with enhanced fracture toughness
    Publication number: 20140114394
    Abstract: Stents and methods of manufacturing a stents with enhanced fracture toughness are disclosed.
    Type: Application
    Filed: October 9, 2013
    Publication date: April 24, 2014
    Applicant: Abbott Cardiovascular Systems Inc.
    Inventors: David C. Gale, Bin Huang, Timothy A. Limon, Vincent J. Gueriguian, Anthony J. Abbate, Klaus Kleine, Stephen Schaible, Jonathan P. Durcan, Thierry Glauser, Bethany Steichen, James Oberhauser, Manish Gada, Lothar Kleiner, Mary Beth Kossuth, Yunbing Wang, Daniel Castro, David Wrolstad
  • Biodegradable stent with enhanced fracture toughness
    Publication number: 20140107761
    Abstract: Stents and methods of manufacturing a stents with enhanced fracture toughness are disclosed.
    Type: Application
    Filed: October 9, 2013
    Publication date: April 17, 2014
    Applicant: Abbott Cardiovascular Systems Inc.
    Inventors: David C. Gale, Bin Huang, Timothy A. Limon, Vincent J. Gueriguian, Anthony J. Abbate, Klaus Kleine, Stephen Schaible, Jonathan P. Durcan, Thierry Glauser, Bethany Steichen, James Oberhauser, Manish Gada, Lothar Kleiner, Mary Beth Kossuth, Yunbing Wang, Daniel Castro, David Wrolstad
  • Biodegradable stent with enhanced fracture toughness
    Publication number: 20140107762
    Abstract: Stents and methods of manufacturing a stents with enhanced fracture toughness are disclosed.
    Type: Application
    Filed: October 9, 2013
    Publication date: April 17, 2014
    Applicant: Abbott Cardiovascular Systems Inc.
    Inventors: David C. Gale, Bin Huang, Timothy A. Limon, Vincent J. Gueriguian, Anthony J. Abbate, Klaus Kleine, Stephen Schaible, Jonathan P. Durcan, Thierry Glauser, Bethany Steichen, James Oberhauser, Manish Gada, Lothar Kleiner, Mary Beth Kossuth, Yunbing Wang, Daniel Castro, David Wrolstad
  • Controlling crystalline morphology of a bioabsorbable stent
    Patent number: 8501079
    Abstract: Methods to expand polymer tubing with desirable or optimum morphology and mechanical properties for stent manufacture and fabrication of a stent therefrom are disclosed.
    Type: Grant
    Filed: September 14, 2009
    Date of Patent: August 6, 2013
    Assignee: Abbott Cardiovascular Systems Inc.
    Inventors: Thierry Glauser, Vincent Gueriguian, Bethany Steichen, James Oberhauser, Manish Gada, Lothar Kleiner, Mary Beth Kossuth
  • Controlling Moisture In And Plasticization Of Bioresorbable Polymer For Melt Processing
    Publication number: 20130041129
    Abstract: Methods and systems for controlling the moisture content of biodegradable and bioresorbable polymer resin during extrusion above a lower limit that allows for plasticization of the polymer resin melt and below an upper limit to reduce or prevent molecular weight loss are disclosed. Methods are further disclosed involving plasticization of a polymer resin for feeding into an extruder with carbon dioxide and freon.
    Type: Application
    Filed: August 11, 2011
    Publication date: February 14, 2013
    Applicant: Abbott Cardiovascular Systems Inc.
    Inventors: Bethany Steichen, Stephen D. Pacetti, Manish Gada, Thierry Glauser, Lothar W. Kleiner, Yunbing Wang, James P. Oberhauser, Ni Ding
  • Implantable medical device comprising copolymer of L-lactide with improved fracture toughness
    Patent number: 8119704
    Abstract: The present invention relates to implantable medical devices comprising a L-lactide-constitutional unit-containing copolymer having a wt % percent crystallinity of 40% or less.
    Type: Grant
    Filed: July 21, 2009
    Date of Patent: February 21, 2012
    Assignee: Abbott Cardiovascular Systems Inc.
    Inventors: Yunbing Wang, James Oberhauser, Manish Gada, Thierry Glauser, Vincent Gueriguian, Bethany Steichen, Lothar Kleiner, Xiao Ma
  • Controlling Crystalline Morphology Of A Bioabsorbable Stent
    Publication number: 20110062638
    Abstract: Methods to expand polymer tubing with desirable or optimum morphology and mechanical properties for stent manufacture and fabrication of a stent therefrom are disclosed.
    Type: Application
    Filed: September 14, 2009
    Publication date: March 17, 2011
    Inventors: Thierry Glauser, Vincent Gueriguian, Bethany Steichen, James Oberhauser, Manish Gada, Lothar Kleiner
  • Implantable Medical Device Comprising Copolymer Of L-Lactide With Improved Fracture Toughness
    Publication number: 20110022163
    Abstract: The present invention relates to implantable medical devices comprising a L-lactide-constitutional unit-containing copolymer having a wt % percent crystallinity of 40% or less.
    Type: Application
    Filed: July 21, 2009
    Publication date: January 27, 2011
    Applicant: Abbott Cardiovascular Systems Inc.
    Inventors: Yunbing Wang, James Oberhauser, Manish Gada, Thierry Glauser, Vincent Gueriguian, Bethany Steichen, Lothar Kleiner, Xiao Ma