Patents by Inventor Charles J. Pennino

Charles J. Pennino 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).

  • Patent number: 4231908
    Abstract: A gap-filling, adhesive composition is provided which is used between polymeric tie plates and the dapped area of a wood, concrete or polyethylene cross tie. This composition contains 65 to 75 wt. % of an asphalt having a softening point in the range of 75.degree. C. to 100.degree. C., 10 to 20 wt. % of a styrene butadiene copolymer having a molecular weigh of 60,000 to 91,000, and 7 to 25 wt. % of a processing oil having a viscosity in the range of 427 poises at 37.78.degree. C. to around 2,500 poises at 37.78.degree. C. and having a flash point in the range of 210.degree. C. to around 250.degree. C. The composition has a viscosity in the range of about 100 to around 300 poises at 150.degree. C.
    Type: Grant
    Filed: February 23, 1979
    Date of Patent: November 4, 1980
    Assignee: Koppers Company, Inc.
    Inventor: Charles J. Pennino