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US4504584A Expired / Lapsed US ⏱️ 0.0 years remaining

Cultures of novel strains of Streptomyces

Assignee: Astellas Pharma Inc
•
Filing: 1982-05-19
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Granted: 1985-03-12
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Expires: 2002-05-19
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Abstract

Abstract The invention relates to a biologically pure culture of new strains of the microorganism Streptomyces which are capable upon fermentation of producing a peptide of pharmacological activity.

Inventors

  • 👤 Yoshihiko Kitaura
  • 👤 Osamu Nakaguchi
  • 👤 Keiji Hemmi
  • 👤 Matsuhiko Aratani
  • 👤 Hidekazu Takeno
  • 👤 Satoshi Okada
  • 👤 Hirokazu Tanaka
  • 👤 Masashi Hashimoto
  • 👤 Yoshio Kuroda
  • 👤 Eiko Iguchi
  • 👤 Masanobu Kohsaka
  • 👤 Hatsuo Aoki
  • 👤 Hiroshi Imanaka

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 17:00
CPC Classifications
C; C07; C07C; C07C243/00; C07K; C07K5/00; C07K5/02; C07K5/0215; C07K5/04; C07K5/06; C07K5/06008; C07K5/06017; C07K5/06026; C07K5/06104; C07K9/00; C07K9/001; C07K9/005; C12; C12N; C12N1/00; C12N1/20; C12N1/205; A; A61; A61K; A61K38/00; C12R; C12R2001/00; C12R2001/01; C12R2001/465; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/886; Y10S930/00; Y10S930/01; Y10S930/19

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 53 words
A biologically pure culture of the microorganism Streptomyces olivaceogriceus, having all the identifying characteristics of ATCC 31427, said culture being capable of producing FR-900156 in a recoverable quantity upon aerobic fermentation in an aqueous nutrient medium containing assimilable sources of carbon, nitrogen and inorganic minerals, said FR-900156 being of the chemical structure ##STR712##
Claim 2
Dependent Claim 53 words
A biologically pure culture of the microorganism Streptomyces olivaceogriceus, having all the identifying characteristics of ATCC 31427, said culture being capable of producing FR-900156 in a recoverable quantity upon aerobic fermentation in an aqueous nutrient medium containing assimilable sources of carbon, nitrogen and inorganic minerals, said FR-900156 being of the chemical structure ##STR712##
Claim 3
Dependent Claim 53 words
A biologically pure culture of the microorganism Streptomyces violaceus, having all the identifying characteristics of ATCC 31481, said culture being capable of producing FR-900156 in a recoverable quantity upon aerobic fermentation in an aqueous nutrient medium containing assimilable sources of carbon, nitrogen and inorganic minerals, said FR-900156 being of the chemical structure ##STR713##
Claim 4
Dependent Claim 53 words
A biologically pure culture of the microorganism Streptomyces violaceus, having all the identifying characteristics of ATCC 31481, said culture being capable of producing FR-900156 in a recoverable quantity upon aerobic fermentation in an aqueous nutrient medium containing assimilable sources of carbon, nitrogen and inorganic minerals, said FR-900156 being of the chemical structure ##STR713##

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1988-03-11 1988-09-10 1989-03-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1992-03-11 1992-09-10 1993-03-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1996-03-11 1996-09-10 1997-03-12 $7700.00 Window Closed / Lapsed

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