Patents by Inventor A. V. Peppard

A. V. Peppard 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).

  • Combination magnetic separation, classification and attrition process for renewing and recovering particulates
    Patent number: 5746321
    Abstract: Optimized utilization of combinations of fluid catalyst magnetic separator, classifier, and/or attriter can be used to achieve lower catalyst cost, and better catalyst activity and selectivity through control of metal-on-catalyst, particle size and particle size distribution. This process is especially useful when processing high metal-containing feedstocks. This provides a catalyst recovery unit (RCU.TM.) ancillary to an FCC or similar unit.
    Type: Grant
    Filed: July 27, 1995
    Date of Patent: May 5, 1998
    Assignee: Ashland Inc.
    Inventors: William P. Hettinger, Jr., Howard F. Moore, Terry L. Goolsby, A. V. Peppard
  • Combination magnetic separation, classification and attrition process for renewing and recovering particulates
    Patent number: 5636747
    Abstract: Optimized utilization of combinations of fluid catalyst magnetic separator, classifier, and/or attriter can be used to achieve lower catalyst cost, and better catalyst activity and selectivity through control of metal-on-catalyst, particle size and particle size distribution. This process is especially useful when processing high metal-containing feedstocks. This provides a catalyst recovery unit (RCU.TM.) ancillary to an FCC or similar unit.
    Type: Grant
    Filed: September 13, 1994
    Date of Patent: June 10, 1997
    Assignee: Ashland Inc.
    Inventors: William P. Hettinger, Jr., Howard F. Moore, Terry L. Goolsby, A. V. Peppard
  • Cyclone for lessening formation of carbonaceous deposits
    Patent number: 4687492
    Abstract: Disclosed is an insert which surrounds the vapor outlet of a modified cyclone that lessens the tendency for carbonaceous deposits to form within the cyclone when separating mixtures of particulate and conversion products from high Conradson carbon feedstocks.
    Type: Grant
    Filed: July 15, 1986
    Date of Patent: August 18, 1987
    Assignee: Ashland Oil, Inc.
    Inventors: Paul W. Walters, A. V. Peppard