Patents Represented by Law Firm Marn and Olstein
  • Feed hydrotreating for improved thermal cracking
    Patent number: 4181601
    Abstract: A pyrolysis feedstock, such as a gas oil feed, is hydrotreated in the presence of a bimetallic catalyst which has been promoted by the addition of chlorine and/or fluorine, preferably chlorine, followed by thermal cracking to increase the yields of light olefins and BTX.
    Type: Grant
    Filed: April 7, 1978
    Date of Patent: January 1, 1980
    Assignee: The Lummus Company
    Inventor: Morgan C. Sze