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.

Date of Patent:
Mar. 28, 2017

Filed:

Dec. 28, 2010
Applicants:

Yil Woong Yi, Daejeon, KR;

Min Hyo Seo, Daejeon, KR;

Bong OH Kim, Daejeon, KR;

IN Ja Choi, Daejeon, KR;

Hye Jeong Yoon, Daejeon, KR;

SE Yoon Kim, Seoul, KR;

Sang Jun Lee, Daejeon, KR;

Joong Woong Cho, Daejeon, KR;

Inventors:

Yil Woong Yi, Daejeon, KR;

Min Hyo Seo, Daejeon, KR;

Bong Oh Kim, Daejeon, KR;

In Ja Choi, Daejeon, KR;

Hye Jeong Yoon, Daejeon, KR;

Se Yoon Kim, Seoul, KR;

Sang Jun Lee, Daejeon, KR;

Joong Woong Cho, Daejeon, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 47/34 (2006.01); C07C 67/465 (2006.01); C07C 69/68 (2006.01); C08G 63/06 (2006.01); C08G 63/91 (2006.01); C08J 3/215 (2006.01);
U.S. Cl.
CPC ...
A61K 47/34 (2013.01); C07C 67/465 (2013.01); C07C 69/68 (2013.01); C08G 63/06 (2013.01); C08G 63/912 (2013.01); C08J 3/215 (2013.01); C08J 2367/04 (2013.01);
Abstract

The present invention relates to a macromolecule for delivering protein, polypeptide or peptide drugs and to a production method for the same, as well as to a slow release composition for protein, polypeptide or peptide drugs comprising the same, and more specifically relates to a polylactic acid derivative compound of Chemical formula 1 of which the numerical average molecular weight is no more than 7000 daltons and to a production method for the same, as well as to a slow release composition for protein, polypeptide or peptide drugs using the same and to a production method for the same.


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