Patents by Inventor Giuseppe Spinelli

Giuseppe Spinelli 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).

  • Bitumen composition
    Patent number: 4878950
    Abstract: A bitumen composition comprising asphalt and a low molecular weight .alpha.-olefin homopolymer or copolymer. The composition is useful in the preparation of roofing coatings or materials and the cured roofing material will exhibit improved low temperature flexibility when compared to prior art roofing compositions. The composition may also contain other additives including high molecular weight polymers, fillers, fire retardants, anti-oxidants, anti-ozonants, pigments and the like.
    Type: Grant
    Filed: April 29, 1988
    Date of Patent: November 7, 1989
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Andrew Halasz, Giuseppe Spinelli, David H. Doolittle
  • Roofing shingles
    Patent number: 4848057
    Abstract: A roofing shingle consisting of composite plies of thin sheet material adhered together by asphalt having exposed areas with or without cut outs between tabs, and a flexible region at the end top of the exposed area. The top end of the cut outs may lie in this flexible region.
    Type: Grant
    Filed: May 18, 1984
    Date of Patent: July 18, 1989
    Assignee: Exxon Research and Engineering Company
    Inventors: Peter G. MacDonald, Giuseppe Spinelli, Jayant B. Kandalgaonkar
  • Shingle
    Patent number: D277411
    Type: Grant
    Filed: October 28, 1982
    Date of Patent: January 29, 1985
    Assignee: Exxon Research and Engineering Co.
    Inventors: Giuseppe Spinelli, Peter G. MacDonald
  • Shingle
    Patent number: D282287
    Type: Grant
    Filed: November 23, 1982
    Date of Patent: January 21, 1986
    Assignee: Exxon Research and Engineering Company
    Inventors: David J. McKeagan, Giuseppe Spinelli