Patents by Inventor Louis C. Rhodes

Louis C. Rhodes 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).

  • Polybutylene modified masterbatches for impact resistant polypropylene
    Patent number: 4666989
    Abstract: An impact resistant polypropylene prepared with a masterbatch comprising an uncured elastomer, a butene-1 and an optional co-modifier such as high density polyethylene possesses improved weld line strength and other properties.
    Type: Grant
    Filed: November 19, 1985
    Date of Patent: May 19, 1987
    Assignee: Shell Oil Company
    Inventors: J. Douglas McCullouch, Jr., Louis C. Rhodes
  • Polybutylene modified masterbatches for impact resistant polypropylene
    Patent number: 4311807
    Abstract: An impact resistant polypropylene prepared with a masterbatch comprising an uncured elastomer, a butene-1 polymer and an optional comodifier such as high density polyethylene possesses improved weld line strength and other properties.
    Type: Grant
    Filed: July 22, 1980
    Date of Patent: January 19, 1982
    Assignee: Shell Oil Company
    Inventors: J. Douglas McCullough, Jr., Louis C. Rhodes