Patents Represented by Attorney, Agent or Law Firm Ekkhard Schoettle
  • Processes using solid perm-selective membranes in multiple groups for simultaneous recovery of specified products from a fluid mixture
    Patent number: 6830691
    Abstract: Economical processes of the present invention are for separation of fluid mixtures to recover desired products using apparatus comprising a plurality of membrane modules disposed in a first product group, a second product group, and optionally one or more intermediate group. Advantageously integrated processes of the invention with the membrane modules in multiple groups are employed for simultaneous recovery of a very pure permeate product and a desired non-permeate product from a mixture containing organic compounds.
    Type: Grant
    Filed: June 27, 2002
    Date of Patent: December 14, 2004
    Assignee: BP Corporation North America Inc.
    Inventors: Craig W. Colling, George A. Huff, Jr., John V. Bartels