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:
May. 02, 1994
Filed:
May. 27, 1992
Applicant:
Inventors:
Daniel J Coughlin, Robbinsville, NJ (US);
Richard Wood, Rocky Hill, NJ (US);
Assignee:
Cytogen Corporation, Princeton, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
530331 ; 530345 ;
Abstract
Disclosed herein is a novel method for preparing a DPTA tripeptide-chelator. In particular, a method for preparing GYK-DTPA is described. The method disclosed herein is an improvement over the known methods of preparation based on the cost and labor savings of the present invention. The present invention utilizes t-butyloxycarbonyl (Boc) protecting groups to facilitate the polypeptide-chelator production.