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:
Oct. 01, 2024

Filed:

Oct. 05, 2020
Applicant:

Curacle Co., Ltd., Seoul, KR;

Inventors:

Koo Hyeon Ahn, Seongnam-si, KR;

Myung-Hwa Kim, Seongnam-si, KR;

Jung-In Pyo, Seongnam-si, KR;

Chul Su Baek, Seongnam-si, KR;

Sung Hwan Kim, Seongnam-si, KR;

Assignee:

CURACLE CO., LTD., Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07J 17/00 (2006.01);
U.S. Cl.
CPC ...
C07J 17/005 (2013.01); C07B 2200/13 (2013.01);
Abstract

The present invention relates to a crystalline form of (E)-methyl 6-((3S,8S,9S,10R,13S,14S,17R)-3-(((5S,6R)-5-acetoxy-6-(acetoxytnethyl)-5,6-dihydro-2H-pyran-2-yl)oxy)-10,13-dimethyl-2,3,4,7,8,9,10.11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-17-yl)hept-5-enoate and a blood vessel leak blocker comprising the same. The novel crystalline form has high purity, excellent stability, excellent long-term storage and pharmaceutical stability, and can be used as a vascular leakage blocker, so it is very advantageous in producing high-quality drug substances.


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