Patents by Inventor Douglas Bigler

Douglas Bigler 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: 8962802
    Abstract: This invention relates to protein separation and purification methods for both alpha-1-antitrypsin (AAT, also known as alpha-1 proteinase inhibitor, API, and A.sub.1-PI) and Apolipoprotein A-I (ApoA-1) from, for example, a fraction of human blood plasma. In certain embodiments, the invention provides methods for separating AAT from ApoA-1 at the initial stage of purification, so that the same starting material can be used as a source for both proteins. The methods further pertain to providing compositions of AAT and of ApoA-1 suitable for pharmaceutical use and are suitable for large-scale purification.
    Type: Grant
    Filed: December 3, 2013
    Date of Patent: February 24, 2015
    Assignee: CSL Behring GmbH
    Inventors: Nathan Brinkman, Douglas Bigler, Reinhard Bolli, Vreni Foertsch
  • Publication number: 20140094591
    Abstract: This invention relates to protein separation and purification methods for both alpha-1-antitrypsin (AAT, also known as alpha-1 proteinase inhibitor, API, and A.sub.1-PI) and Apolipoprotein A-I (ApoA-1) from, for example, a fraction of human blood plasma. In certain embodiments, the invention provides methods for separating AAT from ApoA-1 at the initial stage of purification, so that the same starting material can be used as a source for both proteins. The methods further pertain to providing compositions of AAT and of ApoA-1 suitable for pharmaceutical use and are suitable for large-scale purification.
    Type: Application
    Filed: December 3, 2013
    Publication date: April 3, 2014
    Applicant: CSL Behring GmbH
    Inventors: Nathan Brinkman, Douglas Bigler, Reinhard Bolli, Vreni Foertsch
  • Patent number: 8653245
    Abstract: This invention relates to protein separation and purification methods for both alpha-1-antitrypsin (AAT, also known as alpha-1 proteinase inhibitor, API, and A.sub.1-PI) and Apolipoprotein A-I (ApoA-1) from, for example, a fraction of human blood plasma. In certain embodiments, the invention provides methods for separating AAT from ApoA-1 at the initial stage of purification, so that the same starting material can be used as a source for both proteins. The methods further pertain to providing compositions of AAT and of ApoA-1 suitable for pharmaceutical use and are suitable for large-scale purification.
    Type: Grant
    Filed: April 5, 2013
    Date of Patent: February 18, 2014
    Assignee: CSL Behring GmbH
    Inventors: Nathan Brinkman, Douglas Bigler, Reinhard Bolli, Vreni Foertsch
  • Patent number: 8436152
    Abstract: This invention relates to protein separation and purification methods for both alpha-1-antitrypsin (AAT, also known as alpha-1 proteinase inhibitor, API, and A1-PI) and Apolipoprotein A-I (ApoA-I) from, for example, a fraction of human blood plasma. In certain embodiments, the invention provides methods for separating AAT from ApoA-I at the initial stage of purification, so that the same starting material can be used as a source for both proteins. The methods further pertain to providing compositions of AAT and of ApoA-I suitable for pharmaceutical use and are suitable for large-scale purification.
    Type: Grant
    Filed: August 15, 2008
    Date of Patent: May 7, 2013
    Assignee: CSL Behring GmbH
    Inventors: Nathan Brinkman, Douglas Bigler, Reinhard Bolli, Vreni Foertsch
  • Publication number: 20110087008
    Abstract: This invention relates to protein separation and purification methods for both alpha-1-antitrypsin (AAT, also known as alpha-1 proteinase inhibitor, API, and A1-PI) and Apolipoprotein A-I (ApoA-1) from, for example, a fraction of human blood plasma. In certain embodiments, the invention provides methods for separating AAT from ApoA-1 at the initial stage of purification, so that the same starting material can be used as a source for both proteins. The methods further pertain to providing compositions of AAT and of ApoA-1 suitable for pharmaceutical use and are suitable for large-scale purification.
    Type: Application
    Filed: August 15, 2008
    Publication date: April 14, 2011
    Inventors: Nathan Brinkman, Douglas Bigler, Reinhard Bolli, Vreni Foertsch