Patents Examined by Marcello Iris Fruchter
  • Flow divider for gas chromatographs
    Patent number: 4873058
    Abstract: Upstream and downstream flow dividers are connected in series between a sample dispenser and a gas chromatograph separation column. The downstream flow divider is connected to a source of carrier gas, and the system can be backflushed with carrier gas to remove residual quantities of sample material and elute the sample.
    Type: Grant
    Filed: March 1, 1988
    Date of Patent: October 10, 1989
    Assignee: Siemens Aktiengesellschaft
    Inventors: Kraft-Ulrich Arnold, Fernand Clauss