Patents by Inventor James Michael Lipovsky

James Michael Lipovsky 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 stripping polymer dispersions
    Patent number: 6353087
    Abstract: This invention relates to a process for stripping polymer reaction compositions. The process reduces gel in the polymer reaction composition by adjusting the pH of the polymer to from 7 to 11 prior to stripping and maintaining the adjusted pH during stripping, maintaining the temperature of the polymer at from 30° C. to 70° C. during stripping, utilizing a continuous stripping operation, or combinations thereof.
    Type: Grant
    Filed: August 17, 2000
    Date of Patent: March 5, 2002
    Assignee: Rohm and Haas Company
    Inventors: I-Hwa Midey Chang-Mateu, James Michael Lipovsky, Dawn Marie McFadden, Richard Shu-Hua Wu