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:
Oct. 27, 2015
Filed:
Mar. 26, 2010
Soo Jin Choi, Yongin, KR;
Byung Goo Lee, Suwon, KR;
Seong Soo OH, Yongin, KR;
Yong Tae Kim, Daejeon, KR;
Kwang Joo Kim, Daejeon, KR;
Hye Jin Kim, Daejeon, KR;
Soo Jin Choi, Yongin, KR;
Byung Goo Lee, Suwon, KR;
Seong Soo Oh, Yongin, KR;
Yong Tae Kim, Daejeon, KR;
Kwang Joo Kim, Daejeon, KR;
Hye Jin Kim, Daejeon, KR;
Daewoong Pharmaceutical Co., Ltd., Kyunggi-do, KR;
Daewoong Bio Inc., Daejeon, KR;
Abstract
The present invention relates to novel Forms A, B, C, D, E, F and G of crystalline 9-[2-[phosphonomethoxy]ethyl]adenine bis-pivaloyloxymethyl ester, i.e., adefovir dipivoxil, and processes for preparing them. According to the present invention, said novel crystal forms having a high purity can be obtained by a simple method and in a high yield.