US3795668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyamine compounds and methods for their production
Assignee: Parke Davis and Co LLC
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Filing: 1971-11-15
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Granted: 1974-03-05
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Expires: 1991-11-15
Abstract
Abstract THE ANTIBACTERIAL SUBSTANCE MYOMYEIN INCLUDING ITS INDIVIDUAL COMPONENTS A, B, AND C AND ACID-ADDITION SALTS. THE PRODUCTS CAN BE PRODUCED BY FERMENTATION OF NOCARDIA SP. J327 UNDER ARTIFICIAL CONDITIONS. THEY HAVE A WIDE SPECTRUM OF ANTIBACTERIAL ACTIVITY. BY CHEMICAL DEGRADATION STUDIES, MYOMYEIN B SULFATE IS CONVERTED TO A VARIETY OF STRUCTURAL FRAGMENTS INCLUDING MYO-INOSITOL AND 3-AMINO-3-DEOXY-D-MANNOSE.
Inventors
- 👤 R Bunge
- 👤 J Howells
- 👤 J French
- 👤 L Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 02:34
CPC Classifications
C; C07; C07H; C07H15/00; C07H15/20; C07H15/207; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/872
Claims Analysis
Total Claims: 0
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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) | 1977-03-04 | 1977-09-03 | 1978-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-04 | 1981-09-03 | 1982-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-04 | 1985-09-03 | 1986-03-05 | $7700.00 | Window Closed / Lapsed |