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:
Apr. 17, 1984
Filed:
Mar. 29, 1982
Applicant:
Inventors:
Assignee:
Kureha Kagaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C07G / ;
U.S. Cl.
CPC ...
2601 / ; 210635 ; 2601 / ; 435183 ; 435815 ; 526261 ;
Abstract
A mixture of water-soluble substances, particularly a mixture of proteins, a mixture of enzymes or a mixture of water-soluble vitamins, is fractionated by subjecting an aqueous solution of said mixture of water-soluble substances to gel chromatography through a filter bed of a cross-linked gel copolymer of vinylpyrrolidone and a cross-linking agent having a triazine ring system of the formula (I) or (II): ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are the same or different and each radical is selected from the group consisting of --CH.sub.2 --CH.dbd.CH.sub.2, --CH.sub.2 --C.tbd.CH and --CH.sub.2 --C(CH).sub.2, in a diluent.