Patents by Inventor Robert W. Medeiros

Robert W. Medeiros 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).

  • Entangled polyamide yarn
    Patent number: 5434003
    Abstract: An entangled multifilament yarn, preferably an entangled multifilament polyamide yarn, and a knit fabric made from the same, wherein the yarn has an entanglement strength of at least about 4.5, an entanglement strength coefficient of variance of less than about 1.10, and an average entanglement length for each entanglement of at least about 11.0 mm. The yarn has a knitting performance of at least 4,000 racks/defect.
    Type: Grant
    Filed: November 22, 1993
    Date of Patent: July 18, 1995
    Assignee: AlliedSignal Inc.
    Inventors: Robert W. Medeiros, Lisa K. Owen, Thomas Y. Tam, Samir Z. Abdalla
  • Finish composition for fine denier polyamide yarn
    Patent number: 5011616
    Abstract: Enhanced knitting performance for fine denier polyamide apparel yarn is obtaining by applying to the yarn a finish composition comprising(a) an ester selected from the group consisting of n-butyl stearate, iso-butyl stearate and combinations thereof, said ester being present in an effective amount to provide enhanced knitting performance for said yarn;(b) a polyethylene glycol ester;(c) a polyethylene glycol ether;(d) a polyethylene glycol glyceride;(e) an alkyl phosphate; and(f) a sulfonated ester.
    Type: Grant
    Filed: February 23, 1990
    Date of Patent: April 30, 1991
    Assignee: Allied-Signal Inc.
    Inventors: Robert M. Marshall, James C. Raybon, Jr., Robert W. Medeiros