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:
May. 11, 2004
Filed:
Feb. 16, 2001
Applicant:
Inventors:
Grace Yim Ngan Chan, Highton, AU;
Nicola Sarah Frances Boyd, Baulkham Hills, AU;
Sue Ann Gooley, Kingsford, AU;
David Henry Solomon, Officer, AU;
Assignee:
Gradipore, Ltd., Frenchs Forest, AU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 2/7447 ;
U.S. Cl.
CPC ...
G01N 2/7447 ;
Abstract
A polyacrylamide gel utilizing a buffer system comprising Tris(hydroxymethyl)aminomethane at the concentration range 0.15 to 0.25 M titrated with hydrochloric acid to a pH between 6.5 and 7.5. The gel is substantially stable to polyacrylamide hydrolysis during storage for at extended periods and has an acceptable shelf-life of at least 6 months after storage at about 4° C.