Method for packed column separations and purifications

Details Method for packed column separations and purifications Method for packed column separations and purifications

2006-08-15

2006-08-15

Cintins, Ivars C. (Department: 1724)

Liquid purification or separation

Processes

Chromatography

C210S657000, C210S670000, C210S675000, C210S691000

Reexamination Certificate

active

07090774

ABSTRACT:
The invention encompasses a method of packing and unpacking a column chamber. A mixture of a fluid and a matrix material are introduced through a column chamber inlet so that the matrix material is packed within a column chamber to form a packed column. The column chamber having the column chamber inlet or first port for receiving the mixture further has an outlet port and an actuator port. The outlet port is partially closed for capturing the matrix material and permitting the fluid to flow therepast by rotating relative one to the other of a rod placed in the actuator port. Further rotation relative one to the other of the rod and the column chamber opens the outlet and permits the matrix material and the fluid to flow therethrough thereby unpacking the matrix material from the column chamber.

REFERENCES:
patent: 2797150 (1957-06-01), Rigby
patent: 3779511 (1973-12-01), Wenglar
patent: 4750707 (1988-06-01), Johncox et al.
patent: 4836250 (1989-06-01), Krambrock
patent: 6136197 (2000-10-01), Egorov et al.

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