Patents by Inventor Douglas John BUGAJSKY

Douglas John BUGAJSKY 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).

  • Process for preparing alkyl pyroglutamic acids
    Patent number: 9434678
    Abstract: This disclosure relates to methods for limiting the undesired reverse Mannich reaction during the hydrogenation reduction of one or more nitro functional groups (—NO2) to their corresponding amines (—NH2).
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: September 6, 2016
    Assignee: ANGUS CHEMICAL COMPANY
    Inventors: David Wayne Moore, Douglas John Bugajsky
  • PROCESS FOR PREPARING ALKYL PYROGLUTAMIC ACIDS
    Publication number: 20160194271
    Abstract: This disclosure relates to methods for limiting the undesired reverse Mannich reaction during the hydrogenation reduction of one or more nitro functional groups (—NO2) to their corresponding amines (—NH2).
    Type: Application
    Filed: December 20, 2013
    Publication date: July 7, 2016
    Inventors: David Wayne MOORE, Douglas John BUGAJSKY