Patents by Inventor Gregory David Pero

Gregory David Pero 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: 5738941
    Abstract: By utilizing the process of the present invention, a free-flowing crumb rubber composition can be easily prepared on a commercial scale. This invention more specifically discloses a process for preparing a free-flowing crumb rubber composition which comprises the steps of:(1) extruding a rubbery polymer into a wax emulsion; wherein the rubbery polymer is extruded into pellets having a diameter which is within the range of about 1 mm to about 15 mm; wherein the wax emulsion is comprised of about 35 weight percent to about 89 weight percent water, from about 10 weight percent to about 50 weight percent of a wax, and from about 1 weight percent to about 15 weight percent of an emulsifier; wherein the wax has a melting point which is within the range of about 40.degree. C. to about 175.degree. C.; and wherein the wax emulsion is at a temperature which is within the range of about 5.degree. C. to about 70.degree. C.
    Type: Grant
    Filed: April 8, 1996
    Date of Patent: April 14, 1998
    Assignee: The Goodyear Tire & Rubber Comoany
    Inventors: Gregory David Pero, Michael Kenneth Stockdale