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:
Aug. 11, 1992
Filed:
Jun. 14, 1990
Applicant:
Inventors:
Assignee:
The Green Cross Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07K / ; C07K / ;
U.S. Cl.
CPC ...
530413 ; 530364 ; 530380 ; 530381 ; 530382 ; 530383 ; 530384 ; 530387 ; 530392 ; 530393 ; 530394 ; 530412 ;
Abstract
A method of fractionating plasma protein which comprises treating a plasma protein-containing material in the following sequence of steps, provided that steps (ii) through (v) may be performed in an optional order: (i) freeze-thaw treatment, (ii) treatment at 5 to 10% ethanol concentration, (iii) treatment with an anion exchanger, (iv) affinity chromatography with immobilized lysine, (v) affinity chromatography with immobilized heparin, (vi) treatment at 18 to 30% ethanol concentration, (vii) treatment at 35 to 45% ethanol concentration.