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:
Jan. 18, 2005
Filed:
Aug. 05, 2002
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 Ubutaka, Imizu-gun, JP;
Kiyoshi Isono, Oomiya, JP;
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 Ubutaka, 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 Ror RCH(OR)CH. Rrepresents 3-methylglutaric acid residue and Rrepresents a sulfate group or a hydrogen atom. The process comprises culturing a ray fungus belonging to the genusand isolating RK-1061s from the culture.sp. SN-1061Ms (FERM BP-5800) is capable of stably producing RK-1061 at a high productivity.