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:
Dec. 01, 1992
Filed:
Sep. 11, 1991
Applicant:
Inventors:
Vincenzo Vassarotti, Bugnaux-sur-Rolle, CH;
Colin K Lanyi, Stroud, GB;
Christopher R Biddell, Stonehouse, GB;
Assignee:
Amicon Ltd., Gloucestershire, GB;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
2101982 ; 210656 ; 55386 ; 264257 ; 264324 ; 264D / ;
Abstract
An end cell for a chromatography column has a moulded plastics structure and an integral screen formed of a woven mesh of fibres of the same plastic material as used for the end cell. A peripheral ring of the same plastics material is injection moulded to the perimeter of the mesh, said ring being secured to the end cell in a leak-proof manner, preferably by ultrasonic welding.