Patents by Inventor Christine Widstrand

Christine Widstrand 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: 9844230
    Abstract: A class of molecularly imprinted polymers that specifically recognizes and binds to nitrosamines members of which class are useful, for example, in analysis and separation of nitrosamines from biological fluids. Such molecularly imprinted polymers are also useful in methods of treating and manufacturing tobacco products and materials.
    Type: Grant
    Filed: July 9, 2014
    Date of Patent: December 19, 2017
    Assignee: BRITISH AMERICAN TOBACCO (INVESTMENTS) LTD
    Inventors: Sumita Bhattacharyya, Kevin McAdam, Anthony Rees, Börje Sellergren, Christine Widstrand
  • Publication number: 20140332015
    Abstract: A class of molecularly imprinted polymers that specifically recognizes and binds to nitrosamines members of which class are useful, for example, in analysis and separation of nitrosamines from biological fluids. Such molecularly imprinted polymers are also useful in methods of treating and manufacturing tobacco products and materials.
    Type: Application
    Filed: July 9, 2014
    Publication date: November 13, 2014
    Inventors: Sumita Bhattacharyya, Kevin McAdam, Anthony Rees, Börje Sellergren, Christine Widstrand
  • Patent number: 8807142
    Abstract: A class of molecularly imprinted polymers that specifically recognizes and binds to nitrosamines members of which class are useful, for example, in analysis and separation of nitrosamines from biological fluids. Such molecularly imprinted polymers are also useful in methods of treating and manufacturing tobacco products and materials.
    Type: Grant
    Filed: November 21, 2006
    Date of Patent: August 19, 2014
    Assignee: British American Tobacco (Investments) Limited
    Inventors: Sumita Bhattacharyya, Kevin McAdam, Anthony Rees, Börje Sellergren, Christine Widstrand
  • Publication number: 20070186940
    Abstract: A class of molecularly imprinted polymers that specifically recognizes and binds to nitrosamines members of which class are useful, for example, in analysis and separation of nitrosamines from biological fluids. Such molecularly imprinted polymers are also useful in methods of treating and manufacturing tobacco products and materials.
    Type: Application
    Filed: November 21, 2006
    Publication date: August 16, 2007
    Inventors: Sumita Bhattacharyya, Kevin McAdam, Anthony Rees, Borje Sellergren, Christine Widstrand