Patents by Inventor Anne Marie Atencio

Anne Marie Atencio 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).

  • Polyaspartic acid manufacture
    Patent number: 5391764
    Abstract: Polyaspartic acid is produced by hydrolysis of anhydropolyaspartic acid that has been produced by thermal condensation polymerization of L-aspartic acid. Conversion in excess of 80 percent is achievable utilizing "temperature vs. time" profiles.
    Type: Grant
    Filed: March 29, 1994
    Date of Patent: February 21, 1995
    Assignee: Donlar Corporation
    Inventors: Larry P. Koskan, Kim C. Low, Abdul Rehman Y. Meah, Anne Marie Atencio