US3178341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antibiotics tylosin and desmycosin and derivatives thereof
Assignee: Eli Lilly and Co
•
Filing: 1960-06-27
•
Granted: 1965-04-13
•
Expires: 1980-06-27
Abstract
No abstract record available.
Inventors
- 👤 Robert L Hamill
- 👤 Jr Michael E Haney
- 👤 James M Mcguire
- 👤 Martha C Stamper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:43
CPC Classifications
A; A23; A23K; A23K20/00; A23K20/10; A23K20/195; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/886; Y10S435/896
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
103 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF TYLOSIN, DESMYCOSIN, AND ACID ADDITION SALTS THEREOF, SAID TYLOSIN BEING CHARACTERIZED AS A WHITE, SOLID SUBSTANCE, SOLUBLE IN ACIDIC AQUEOUS SOLUTION AND IN MOST POLAR SOLVENTS, BEING SUBSTANTIALLY INSOLUBLE IN MOST POLAR ORGANIC SOLVENTS AND IN ALKALINE AQUEOUS SOLUTIONS, BEING STABLE IN AQUEOUS SOLUTION AT A PH IN THE RANGE OF ABOUT PH 4 TO ABOUT PH 9, HAVING A MOLECULAR WEIGHT OF ABOUT 900, HAVING SHOWN UPON ANALYSIS THE PRESENCE OF 59.68 PERCENT CARBON, 8.53 PERCENT HYDROGEN, 1.55 PERCENT NITROGEN, AND BY DIFFERENCE 30.24 PERCENT OXYGEN, THE SAID ANALYTICAL VALUES ESTABLISHING THE EMPIRICAL FORMULA
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) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |