Modular preparative high pressure liquid chromatography column


FIG. 1 is an isometric view of a modular preparative high pressure liquid chromatography column, showing my new design;

FIG. 2 is a side elevational view, the opposite side being a mirror image thereof;

FIG. 3 is an end elevational view, the opposite end being a mirror image thereof.

Referenced Cited
U.S. Patent Documents
3440864 April 1969 Blume
3471261 October 1969 Patterson
4058460 November 15, 1977 Ito
4070285 January 24, 1978 Abrahams
4238327 December 9, 1980 Liburdy
4389316 June 21, 1983 Falk
Patent History
Patent number: D285290
Type: Grant
Filed: May 9, 1983
Date of Patent: Aug 26, 1986
Assignee: Hp Chemicals, Inc. (St. Louis, MO)
Inventors: Yehuda Shalon (St. Louis County, MO), Tadmor Shalon (St. Louis County, MO), Danny D. Meyer (St. Louis County, MO)
Primary Examiner: Catherine E. Kemper
Attorney: Paul M. Denk
Application Number: 6/492,802
Current U.S. Class: Chemical (12) (D10/81); D24/8