Patents by Inventor Dmitri A. Krapchetov

Dmitri A. Krapchetov 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 methacrolein
    Patent number: 11401229
    Abstract: Provided is a process for preparing dry methacrolein which maximizes capture of methanol. Also provided is a process for producing methyl methacrylate.
    Type: Grant
    Filed: May 24, 2018
    Date of Patent: August 2, 2022
    Assignee: Rohm and Haas Company
    Inventors: Reetam Chakrabarti, Sarah L. Hruby, Dmitri A. Krapchetov, Minh N. Ngo, Muhunthan Sathiosatham, Mark A. Silvano