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:
Mar. 17, 1998
Filed:
Jun. 06, 1995
Applicant:
Inventor:
Wojciech J Ardelt, New City, NY (US);
Assignee:
Alfacell Corp., Bloomfield, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07K / ; A61K / ;
U.S. Cl.
CPC ...
530350 ; 530416 ; 530427 ; 514 12 ; 514 21 ;
Abstract
Rana pipiens eggs are subjected to mechanical processing in the presence of a weakly acidic buffer to produce an extract. The extract is subjected to ion-exchange chromatography and size-exclusion chromatography. Two pharmaceuticals resulting from these steps have activity against certain cancer cells. The amino acid sequences and compositions of two preferred embodiments are disclosed.