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:
Feb. 16, 2010
Filed:
Jan. 18, 2003
Applicants:
Sang Deuk Lee, Seoul, KR;
Kang Choon Lee, Seoul, KR;
Dong Hee NA, Seoul, KR;
Yu Seok Youn, Seoul, KR;
Inventors:
Sang Deuk Lee, Seoul, KR;
Kang Choon Lee, Seoul, KR;
Dong Hee Na, Seoul, KR;
Yu Seok Youn, Seoul, KR;
Assignee:
Pegsphere Co., Ltd., Suwon, KR;
Primary Examiner:
Int. Cl.
CPC ...
C07K 1/06 (2006.01); C07K 1/107 (2006.01); C07K 1/04 (2006.01); C07K 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to synthetic peptides having selectively protected amines of untargeted sites and to methods for production thereof and for specifically conjugating PEG to targeted sites of the synthetic peptides using the same. The present invention provides a much higher yield of PEG conjugated peptides in which PEG is specifically combined to amines at targeted sites.