Patents by Inventor Thomas P. Izod

Thomas P. Izod 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).

  • Patent number: 5230854
    Abstract: This invention relates to a process of extracting a first spinning solvent such as mineral oil from a solution spun polymer fiber such as polyethylene through use of an extraction solvent such as dimethyl diethylene glycol and diethyl diethylene glycol in which the spinning solvent is soluble, which extracting solvent is soluble in a third extraction solvent such as water to a greater extent than the extraction solvent is soluble in the spinning solvent, such that the second extracting solvent can be extracted from a solution of said spinning solvent and said second extraction solvent by said third extracting solvent.
    Type: Grant
    Filed: December 9, 1991
    Date of Patent: July 27, 1993
    Assignee: Allied-Signal Inc.
    Inventors: Thomas P. Izod, Scott M. Hacker, Anjana Bose
  • Patent number: 5213745
    Abstract: This invention relates to a process for removal of spinning solvents from solution spun fibers by extraction with an extraction solvent such as a polyether.
    Type: Grant
    Filed: December 9, 1991
    Date of Patent: May 25, 1993
    Assignee: Allied-Signal Inc.
    Inventors: Thomas P. Izod, Morris B. Berenbaum, Morton H. Litt