Patents by Inventor Marfi Ito

Marfi Ito 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).

  • POLYUREA COMPOSITIONS AND METHODS OF USE
    Publication number: 20120238708
    Abstract: Disclosed are polyurea compositions comprising the reaction products of a polyformal-isocyanate prepolymer and a curing agent comprising an amine. The compositions are useful as sealants in aerospace applications.
    Type: Application
    Filed: March 18, 2011
    Publication date: September 20, 2012
    Applicant: PRC-DESOTO INTERNATIONAL, INC.
    Inventors: Stephen J. Hobbs, Juexiao Cai, Marfi Ito, Renhe Lin
  • MULTIFUNCTIONAL SULFUR-CONTAINING POLYMERS, COMPOSITIONS THEREOF AND METHODS OF USE
    Publication number: 20120234205
    Abstract: Disclosed are multifunctional sulfur-containing polymers that are the reaction products of a sulfur-containing diol, a polyol containing at least three hydroxyl groups per polyol molecule, and an aldehyde, a ketone, or a combination thereof. Sealant compositions comprising the multifunctional sulfur-containing polymers are also disclosed.
    Type: Application
    Filed: March 6, 2012
    Publication date: September 20, 2012
    Applicant: PRC-DeSoto International, Inc.
    Inventors: Stephen J. Hobbs, Gregory J. McCollum, Juexiao Cai, Marfi Ito, Lawrence G. Anderson, Renhe Lin
  • THIOETHERS, METHODS FOR THEIR PREPARATION, AND COMPOSITIONS INCLUDING SUCH THIOETHERS
    Publication number: 20100184899
    Abstract: Disclosed are thioethers, methods for preparing such thioethers, and curable compositions, such as coating and sealant compositions, that include such thioethers. The thioethers can be the reaction product of (a) an alpha, omega dihalo organic compound, (b) a metal hydrosulfide and (c) a metal hydroxide.
    Type: Application
    Filed: March 30, 2010
    Publication date: July 22, 2010
    Applicant: PRC-DeSoto International, Inc.
    Inventors: Chandra B. Rao, Juexiao Cai, Marfi Ito, John Gilmore