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US4100171A Expired / Lapsed US ⏱️ 0.0 years remaining

Antibiotic X-14547

Assignee: Hoffmann La Roche Inc
•
Filing: 1976-08-06
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Granted: 1978-07-11
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Expires: 1996-08-06
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Abstract

Abstract The invention relates to a new and useful antibiotic substance which is of the formula <IMAGE> I and to processes for its production and recovery. The antibiotic which exhibits ionophoric properties, is classified as a polyether group antibiotic. The antibiotic of formula I is effective in inhibiting the growth of gram positive bacteria and exhibits utility as an antihypertensive agent and as a compound to improve ruminant feed utilization. The antibiotic of Formula I is prepared by cultivating a strain of Streptomyces sp. X-14547 in an aqueous carbohydrate solution containing nitrogenous nutrients and mineral salts and thereafter isolating the antibiotic from the fermentation broth.

Inventors

  • 👤 John Westley
  • 👤 Chao-Min Liu

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 21:50
CPC Classifications
C; C07; C07D; C07D209/00; C07D209/02; C07D209/04; C07D209/30; C07D209/32; C07D209/38; A; A23; A23K; A23K20/00; A23K20/10; A23K20/195; A61; A61P; A61P31/00; A61P31/04; A61P9/00; A61P9/12; C07D207/00; C07D207/02; C07D207/30; C07D207/34; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/886

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 12 words
A compound of the formula ##STR3## and the pharmaceutically acceptable salts thereof.
Claim 2
Dependent Claim 12 words
A compound of the formula ##STR3## and the pharmaceutically acceptable salts thereof.
Claim 3
Dependent Claim 6 words
The compound of the formula ##STR4##
Claim 4
Dependent Claim 6 words
The compound of the formula ##STR4##

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) 1981-07-10 1982-01-09 1982-07-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1985-07-10 1986-01-09 1986-07-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1989-07-10 1990-01-09 1990-07-11 $7700.00 Window Closed / Lapsed

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