US3344024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antibiotic am-684 and method of production
Assignee: Wyeth Holdings LLC
•
Filing: 1963-04-17
•
Granted: 1967-09-26
•
Expires: 1983-04-17
Abstract
No abstract record available.
Inventors
- 👤 Whaley Howard Arnold
- 👤 Patterson Ernest Leonard
- 👤 Shay Anthony Joseph
- 👤 Tresner Homer David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:41
CPC Classifications
C; C07; C07H; C07H17/00; C07H17/04; C07H17/08; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/853; Y10S435/854; Y10S435/886; Y10S435/898
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF ANTIBIOTIC AM-684, A BASIC COMPOUND EFFECTIVE IN INHIBITING THE GROWTH OF GRAM-POSITIVE BACTERIA, SAID SUBSTANCE BEING SOLUBLE IN LOWER ALKANOLS, ACETONE, ETHYL ACETATE, METHYL ISOBUTYL KETONE, CHLOROFORM AND METHYLENE CHLORIDE, BEING LESS SOUBLE IN ETHER AND WATER AND BEING INSOLUBLE IN HYDROCARBONS, SAID SUBSTANCE HAVING THE FOLLOWING AVERAGE ELEMENTAL ANALYSIS: C, 59.50, H, 8.71, N, 1.79, O, 29.35, SAID SUBSTANCE HAVING A MELTING POINT OF 172-174.5*C, OPTICAL ROTATION (A)D25*=-48.7* AT A CONCENTRATION OF 0.906% IN METHANOL, HAVING A PKA VALUE OF 6.95 (66% DIMETHYLFORMAMIDE), HAVING THE FOLLOWING PERCENT OF METHYL GROUPS ATTACHED TO OXYGEN 3.38, TO CARBON 10.27, TO NITROGEN 2.60, AND THE PERCENT ACETYL GROUP IS 2.51, SAID SUBSTANCE BEING CHARACTERIZED BY ABSORPTION MAXIMA IN THE ULTRAVIOLET AT 282 MU E(1 CM)(**1%)= 245 IN METHANOL, SAID SUBSTANCE EXHIBITING CHARACTERISTIC ABSORPTION IN THE INFRARED REGION OF THE SPECTRUM AS SHOWN IN FIGURE 1 AND A PROTON MAGNETIC RESONANCE SPECTRUM AS SHOWN IN FIGURE 2 AND THE ACID SALTS OF SAID BASIC SUBSTANCE.
Claim 2
Dependent Claim
170 words
A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF ANTIBIOTIC AM-684, A BASIC COMPOUND EFFECTIVE IN INHIBITING THE GROWTH OF GRAM-POSITIVE BACTERIA, SAID SUBSTANCE BEING SOLUBLE IN LOWER ALKANOLS, ACETONE, ETHYL ACETATE, METHYL ISOBUTYL KETONE, CHLOROFORM AND METHYLENE CHLORIDE, BEING LESS SOUBLE IN ETHER AND WATER AND BEING INSOLUBLE IN HYDROCARBONS, SAID SUBSTANCE HAVING THE FOLLOWING AVERAGE ELEMENTAL ANALYSIS: C, 59.50, H, 8.71, N, 1.79, O, 29.35, SAID SUBSTANCE HAVING A MELTING POINT OF 172-174.5*C, OPTICAL ROTATION (A)D25*=-48.7* AT A CONCENTRATION OF 0.906% IN METHANOL, HAVING A PKA VALUE OF 6.95 (66% DIMETHYLFORMAMIDE), HAVING THE FOLLOWING PERCENT OF METHYL GROUPS ATTACHED TO OXYGEN 3.38, TO CARBON 10.27, TO NITROGEN 2.60, AND THE PERCENT ACETYL GROUP IS 2.51, SAID SUBSTANCE BEING CHARACTERIZED BY ABSORPTION MAXIMA IN THE ULTRAVIOLET AT 282 MU E(1 CM)(**1%)= 245 IN METHANOL, SAID SUBSTANCE EXHIBITING CHARACTERISTIC ABSORPTION IN THE INFRARED REGION OF THE SPECTRUM AS SHOWN IN FIGURE 1 AND A PROTON MAGNETIC RESONANCE SPECTRUM AS SHOWN IN FIGURE 2 AND THE ACID SALTS OF SAID BASIC SUBSTANCE.
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) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |