Patents by Inventor Jeffrey Wen-Cheng Kuo

Jeffrey Wen-Cheng Kuo 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).

  • Polypropylene films
    Patent number: 7314901
    Abstract: Films disclosed herein contain a base or core layer comprising a first polypropylene, a second polypropylene, and a hydrocarbon resin. The base layers may also include other additives as described below. The first polypropylene is preferably a high crystallinity polypropylene having a melting point above about 155° C. or a polypropylene having a polydispersity (Mw/Mn) greater than about 4.0. The second polypropylene may be any conventional polypropylene, preferably having a melting point below about 160° C. and/or a polydispersity less than about 5.0.
    Type: Grant
    Filed: December 29, 2003
    Date of Patent: January 1, 2008
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Jeffrey Wen-Cheng Kuo, Kenneth Lewtas, William Moa-Tseng Chien
  • Polypropylene films
    Publication number: 20040170854
    Abstract: Films disclosed herein contain a base or core layer comprising a first polypropylene, a second polypropylene, and a hydrocarbon resin. The base layers may also include other additives as described below. The first polypropylene is preferably a high crystallinity polypropylene having a melting point above about 155° C. or a polypropylene having a polydispersity (Mw/Mn) greater than about 4.0. The second polypropylene may be any conventional polypropylene, preferably having a melting point below about 160° C. and/or a polydispersity less than about 5.0.
    Type: Application
    Filed: December 29, 2003
    Publication date: September 2, 2004
    Inventors: Jeffrey Wen-Cheng Kuo, Kenneth Lewtas, William Moa-Tseng Chien