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:
Dec. 21, 1993
Filed:
Feb. 19, 1991
Applicant:
Inventor:
Thomas J Lynch, Rockville, MD (US);
Assignee:
Pharmavene, Inc., Gaithersburg, MD (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12N / ; A61K / ; A61K / ;
U.S. Cl.
CPC ...
435197 ; 435814 ; 435815 ; 424 941 ; 424 946 ; 210660 ;
Abstract
Butyrylcholinesterase is produced in a purity of at least 90% by subjecting plasma fraction IV-4 alone or in admixture with fraction IV-1 to both anion exchange chromatography and affinity chromatography.