Patent Number: 6,309,444

Title: Post-blending valve degasser

Abstract: A flow-through vacuum degassing unit for degassing a mobile phase includes a vacuum conduit adapted to be connected to a source for creating a vacuum in the conduit, an inlet port and an outlet port for admitting and discharging the mobile phase to be degassed, a degassing tube for conducting the mobile phase through the conduit, wherein the degassing tube is a gas-permeable, liquid impermeable material. In a particular embodiment, the degassing tube receives multiple mobile phases blended together in a discrete volume of desired composition.

Inventors: Sims; Carl W. (St. Paul, MN), Gerner; Yuri (Mendota Heights, MN), Thielen; Thomas J. (Plymouth, MN)

Assignee: Systec Inc.

International Classification: B01D 19/00 (20060101); G01N 30/02 (20060101); G01N 30/00 (20060101); B01D 019/00 (); B01D 015/08 ()

Expiration Date: 10/30/2018