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:
Jan. 26, 1982
Filed:
Sep. 30, 1980
Applicant:
Inventors:
Hasse A Hansson, Uppsala, SE;
Sven L Kagedal, Uppsala, SE;
Assignee:
Pharmacia Fine Chemicals, AB, Uppsala, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
2042 / ; 2041 / ; 252315 ; 252316 ; 536-2 ; 536 52 ;
Abstract
A medium for isoelectric focusing is produced which consists of or contains agarose into which positively charged substituents have been introduced to neutralize negatively charged groups inherently present in the agarose, said substituents containing as the only charged group a quaternary amino group with a positive charge independent of pH at least in the range 2-12. The medium may consist of a mixture of two or more agarose preparations with different degrees of substitution with regard to the introduced substituents. Unmodified agarose may also constitute one of the components of the medium.