Patents by Inventor Sweta Somasi

Sweta Somasi 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 polyether polyol using DMC catalyst and continuous addition of starter
    Patent number: 10767009
    Abstract: Polyether polyols are made by a process that includes a continuous addition of starter and alkylene oxide. The feed of starter is discontinued when 80 to 95% of the alkylene oxide has been fed to the reactor. This process produces a product with a narrow molecular weight distribution.
    Type: Grant
    Filed: June 20, 2016
    Date of Patent: September 8, 2020
    Assignee: Covestro LLC
    Inventors: Jean-Paul Masy, Carlos M. Villa, David A. Babb, John W. Weston, Sweta Somasi
  • PROCESS FOR PREPARING POLYETHER POLYOL USING DMC CATALYST AND CONTINUOUS ADDITION OF STARTER
    Publication number: 20180237587
    Abstract: Polyether polyols are made by a process that includes a continuous addition of starter and alkylene oxide. The feed of starter is discontinued when 80 to 95% of the alkylene oxide has been fed to the reactor. This process produces a product with a narrow molecular weight distribution.
    Type: Application
    Filed: June 20, 2016
    Publication date: August 23, 2018
    Inventors: Jean-Paul Masy, Carlos M. Villa, David A. Babb, John W. Weston, Sweta Somasi