Patents by Inventor Wallace Phelps Wilkins

Wallace Phelps Wilkins 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).

  • SYSTEMS AND METHODS FOR MAKING A MIDDLE DISTILLATE PRODUCT AND LOWER OLEFINS FROM A HYDROCARBON FEEDSTOCK
    Publication number: 20100324232
    Abstract: A system comprising a riser reactor comprising a gas oil feedstock and a first catalyst under catalytic cracking conditions to yield a riser reactor product comprising a cracked gas oil product and a first used catalyst, a intermediate reactor comprising at least a portion of the cracked gas oil product and a second catalyst under high severity conditions to yield a cracked gasoline product and a second used catalyst, and a recycle conduit to send at least a portion of the cracked gas oil product to the riser reactor.
    Type: Application
    Filed: October 8, 2008
    Publication date: December 23, 2010
    Inventors: Weijian Mo, William Cross Glenn, George A. Hadjigeorge, Wallace Phelps Wilkins