Patents by Inventor Sung K. Pak

Sung K. Pak 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).

  • Spin finish for polyamide yarn
    Patent number: 4129507
    Abstract: An improved spin finish particularly for polyamide yarn to be processed into tire cord, comprising an oil in water emulsion, said oil portion consisting essentially of specified proportions of an oxidized polyethylene wax, a white mineral oil having a viscosity of 300 to 500 S.U.S. at 100.degree. F., a polyoxyethylene oleyl phosphate, and a sulfonated succinic acid ester of decyl alcohol, said oil in water emulsion being adjusted to pH 7.1 to 8.0 with sodium hydroxide.
    Type: Grant
    Filed: January 18, 1978
    Date of Patent: December 12, 1978
    Assignee: Allied Chemical Corporation
    Inventors: Robert M. Marshall, Sung K. Pak, Kimon C. Dardoufas