Patents by Inventor Xinping Feng

Xinping Feng 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).

  • Two-component solvent-free polyurethane adhesives
    Patent number: 8022164
    Abstract: A two-component solvent-free polyurethane laminating adhesive for flexible packaging, including a First Component and a Second Component is provided. The First Component, which acts as a resin, includes a first vegetable oil based Polyol A in an amount from 20 to 40 weight percent, a second vegetable oil based Polyol B in an amount from 0.5 to 5 weight percent, and a Polyisocyanate C in an amount from 60 to 74 weight percent. The Second Component, which acts as a hardener, includes a first vegetable oil based Polyol A in an amount from 87 to 99 weight percent, and a Polyol E in an amount from 0.5 to 5 weight percent. The first vegetable oil based Polyol A is preferably a hydroxylated castor oil, and the second vegetable oil based Polyol B is preferably hydroxylated linseed oil.
    Type: Grant
    Filed: March 4, 2010
    Date of Patent: September 20, 2011
    Assignees: Microvast, Inc., Huzhou Ochem Chemical Co., Ltd.
    Inventors: Yang Wu, Chaofeng Ning, Xinbing Yuan, Xinping Feng
  • TWO-COMPONENT SOLVENT-FREE POLYURETHANE ADHESIVES
    Publication number: 20110218275
    Abstract: A two-component solvent-free polyurethane laminating adhesive for flexible packaging, including a First Component and a Second Component is provided. The First Component, which acts as a resin, includes a first vegetable oil based Polyol A in an amount from 20 to 40 weight percent, a second vegetable oil based Polyol B in an amount from 0.5 to 5 weight percent, and a Polyisocyanate C in an amount from 60 to 74 weight percent. The Second Component, which acts as a hardener, includes a first vegetable oil based Polyol A in an amount from 87 to 99 weight percent, and a Polyol E in an amount from 0.5 to 5 weight percent. The first vegetable oil based Polyol A is preferably a hydroxylated castor oil, and the second vegetable oil based Polyol B is preferably hydroxylated linseed oil.
    Type: Application
    Filed: March 4, 2010
    Publication date: September 8, 2011
    Applicants: MICROVAST TECHNOLOGIES, INC., HUZHOU OCHEM CHEMICAL CO., LTD.
    Inventors: Yang Wu, Chaofeng Ning, Xinbing Yuan, Xinping Feng