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:
Sep. 24, 2013
Filed:
Nov. 21, 2007
Nak-hyun Lim, Chungcheongbuk-do, KR;
Jung-kwoun Kim, Gyeongsangnam-do, KR;
Hyung-joon Jung, Chungcheongbuk-do, KR;
Se-yeon Kim, Incheon-si, KR;
Goo-young Jung, Chungcheongbuk-do, KR;
Kyung-hoi Cha, Gyeonggi-do, KR;
Mork-soon Park, Daejeon-si, KR;
Nak-Hyun Lim, Chungcheongbuk-do, KR;
Jung-Kwoun Kim, Gyeongsangnam-do, KR;
Hyung-Joon Jung, Chungcheongbuk-do, KR;
Se-Yeon Kim, Incheon-si, KR;
Goo-Young Jung, Chungcheongbuk-do, KR;
Kyung-Hoi Cha, Gyeonggi-do, KR;
Mork-Soon Park, Daejeon-si, KR;
Dongkook Pharmaceutical Co., Ltd., Seoul, KR;
Abstract
Disclosed is a method for preparing a longer sustained-release formulation containing bioactive substances. More particularly, the present invention provides a method for preparing longer sustained-release microcapsules comprising: adding an emulsion including bioactive substances, biocompatible polymer and polyvinylpyrrolidone to an aqueous solution.