Patents by Inventor John Michael Larkin

John Michael Larkin 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 alkanolamines from polyolefin epoxides
    Patent number: 6093854
    Abstract: Disclosed herein is a process for producing alkanolamines from the reaction between a polyolefin epoxide and an organic amino compound under conditions of elevated temperature and pressure, in the presence of a catalytic amount of an alcohol. Higher reaction rates for alkanolamine production than provided in the prior art may be achieved by use of a process according to the invention. Alkanolamines having various levels of nitrogen may be produced by the invention.
    Type: Grant
    Filed: October 14, 1999
    Date of Patent: July 25, 2000
    Assignee: Huntsman Petrochemical Corporation
    Inventors: Wei-Yang Su, John Michael Larkin