The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 07, 1993
Filed:
Dec. 17, 1990
Applicant:
Inventor:
Thomas C Ransohoff, Fairfield, CT (US);
Assignee:
Biotage Inc., Charlottesville, VA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
2101982 ; 73 6152 ; 73 6156 ; 73 6157 ; 210 85 ; 210 90 ; 210103 ; 210134 ; 210143 ; 210656 ;
Abstract
A liquid chromatography column protection system having a system pump, a bubble trap, and a column includes detectors for monitoring certain system conditions such as the presence of air or overpressurization and valves and controlling means for shutting down system operation when the conditions are detected.