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:
Apr. 02, 1996
Filed:
Jun. 06, 1995
Young W Lee, Seoul, KR;
Yeong S Lee, Goyang, KR;
Chang S Yon, Seoul, KR;
Jun W Suh, Inchun, KR;
Chul H Lee, Seoul, KR;
Yoong H Lim, Anyang, KR;
Ick D Yoo, Daejeon, KR;
Cheil Foods & Chemicals, Inc., Seoul, KR;
Korea Institute of Science and Technology, Sungbuk-ku, KR;
Abstract
A Legionella specific antibiotic AL072, a Streptomyces sp. AL91 producing the antibiotic, and a process for producing the antibiotic are disclosed. Further, the antibiotic compound has a specified formula. The formula is ##STR1## In addition the process also includes extraction of a culture broth provided by cultivating the microorganism Streptomyces sp. AL91, accession number KCCM 10055, with isopropyl alcohol and ethyl acetate to obtain an extract containing the antibiotic compound. The compound is then isolated from the extract by chromatography on a column filled with octadecyl silica gel and also by high pressure liquid chromatography.