Patents by Inventor Stephen Wayne

Stephen Wayne 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).

  • Functionalized polypropylenes and process for production
    Publication number: 20010012876
    Abstract: A novel process for preparing functionalized polypropylenes entailing apportioned introduction of free radical initiator is described. Also described are novel functionalized polypropylenes having a yellowness index color of at least 77 and a Brookfield Thermosel viscosity of greater than 7000 cP at 190° C. Preferably, the functionalized polypropylenes are further characterized by having an acid number greater than 6 milligrams of KOH per gram of polymer.
    Type: Application
    Filed: January 31, 2001
    Publication date: August 9, 2001
    Inventor: Stephen Wayne