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:
Nov. 03, 1998
Filed:
Sep. 12, 1996
Applicant:
Inventors:
David S Bauman, Norman, OK (US);
Chad A Sheckler, Phelps, NY (US);
Randy J Grellner, Tulsa, OK (US);
Greg A Griffeth, Cushing, OK (US);
Assignee:
At Point Bio, Norman, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ;
U.S. Cl.
CPC ...
436527 ; 422 55 ; 422 57 ; 422 58 ; 435-6 ; 4352871 ; 4355872 ; 4352877 ; 435810 ; 436518 ; 436524 ; 436810 ;
Abstract
An assembly for use in biological assays containing an integral ceramic core and, partially abutting the core, a sheath. The ceramic core has a mean pore size of from about 1 to about 400 microns, an apparent porosity of from, about 25 to about 60 percent, a hydrophilic surface, a length of from about 10 to about 200 millimeters, and a wicking rate of at least about 20 millimeters per minute; the sheath has a wicking rate of less than 5 millimeters per minute.