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, 2002
Filed:
Jan. 12, 1999
Ken-ichi Kimura, Utsunomiya, JP;
Yoshikazu Ikeda, Shimotsuga-gun, JP;
Shinobu Kagami, Shimotsuga-gun, JP;
Hidetoshi Takahashi, Kawachi-gun, JP;
Kousaku Takahashi, Utsunomiya, JP;
Makoto Yoshihama, Utsunomiya, JP;
Makoto Ubukata, Imizu-gun, JP;
Kiyoshi Isono, Oomiya, JP;
Daiichi Pharmaceutical Co., Ltd., Tokyo, JP;
Abstract
Antibiotics RK-1061s having a novel chemical structure and a method of production thereof. They have a structural formula represented by general formula(I) wherein A represents R or R CH(OR )CH . R represents 3-methylglutaric acid residue and R represents a sulfate group or a hydrogen atom. The process comprises culturing a ray fungus belonging to the genus Streptomyces and isolating RK-1061s from the culture. Streptomyces sp. SN-1061Ms (FERM BP-5800) is capable of stably producing RK-1061 at a high productivity.