Patents by Inventor Marie Jean Bettman

Marie Jean Bettman 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).

  • Effervescent microcapsules
    Patent number: 5709886
    Abstract: Taste masked effervescent microcapsules are provided each microcapsule containing an effervescent admixture of sodium bicarbonate and citric acid microencapsulated with ethylcellulose, the effervescent microcapsules being useful in formulating taste masked effervescent chewable tablets also containing microencapsulated, unpleasant tasting drugs such as non-steroidal, anti-inflammatory, NSAID drugs.
    Type: Grant
    Filed: February 19, 1997
    Date of Patent: January 20, 1998
    Assignee: Eurand America, Incorporated
    Inventors: Marie Jean Bettman, Phillip J. Percel, Thomas C. Powell
  • Effervescent microcapsules
    Patent number: 5639475
    Abstract: Taste masked effervescent microcapsules are provided each microcapsule containing an effervescent admixture of sodium bicarbonate and citric acid microencapsulated with ethylcellulose, the effervescent microcapsules being useful in formulating taste masked effervescent chewable tablets also containing microencapsulated, unpleasant tasting drugs such as non-steroidal, anti-inflammatory, NSAID drugs.
    Type: Grant
    Filed: February 3, 1995
    Date of Patent: June 17, 1997
    Assignee: Eurand America, Incorporated
    Inventors: Marie Jean Bettman, Phillip J. Percel, Thomas C. Powell