Patents Assigned to VULCAN CHEMICALS a Business Group of Vulcan Materials Company
  • Method for producing 1,1,1,3-tetrachloropropane and other haloalkanes with iron catalyst
    Publication number: 20040225166
    Abstract: A continuous process is provided for the manufacture of haloalkanes by the reaction of carbon tetrachloride with olefins in the presence of iron metal, trialkylphosphate, and ferric chloride. A fraction of the catalyst and co-catalyst are separated after the reaction and recycled. In a preferred application, the olefin is ethene, and the haloalkane product is 1,1,1,3-tetrachloropropane. Two distillation steps take place in order to enhance the production of 1,1,1,3-tetrachloropropane.
    Type: Application
    Filed: August 26, 2003
    Publication date: November 11, 2004
    Applicant: VULCAN CHEMICALS A BUSINESS GROUP OF VULCAN MATERIALS COMPANY
    Inventors: Richard L. Wilson, John L. Dawkins
  • Method for producing isopropyl chloride for use as a foam-blowing agent
    Publication number: 20040204619
    Abstract: Isopropyl chloride (IPC) is prepared by the chlorination of propane or propene or propyne, or by any other means resulting in an IPC product containing significant amounts of undesired olefins. Such impure product may be purified by chlorination followed by distillation, by distillation followed by chlorination followed by distillation, by chlorination followed by treatment to reduce chlorine concentration followed by distillation, or by distillation followed by chlorination followed by treatment followed by distillation.
    Type: Application
    Filed: March 25, 2004
    Publication date: October 14, 2004
    Applicant: VULCAN CHEMICALS a Business Group of Vulcan Materials Company
    Inventors: Eric L. Mainz, Richard L. Wilson, John Lee Dawkins, Janice M. Nyberg