US2568360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Penicillin production
Assignee: Primary Products Ingredients Americas LLC
•
Filing: 1949-06-04
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Granted: 1951-09-18
•
Expires: 1969-06-04
Abstract
No abstract record available.
Inventors
- 👤 Glenn W Parsons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:44
CPC Classifications
C; C12; C12P; C12P37/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
IN THE MANUFACTURE OF PENICILLIN BY THE CULTURING OF PENICILLIN-PRODUCING MOLDS, THE IM-PROVEMENT WHICH COMPRISES CULTURING A PENICILLIN-PRODUCING MOLD IN A CULTURE MEDIUM CONTAINING AS A NUTRIENT THAT PRINCIPLE OF CORN STEEPWATER REMAINING AFTER REMOVAL THEREFROM OF PHYTATE SOLIDS PRECIPITATED BY MIXING THEREWITH UNDER ACID CONDITIONS A MATERIAL FURNISHING ALUMINUM CATIONS IN SAID ACIDIC MIXTURE.
Claim 2
Dependent Claim
55 words
IN THE MANUFACTURE OF PENICILLIN BY THE CULTURING OF PENICILLIN-PRODUCING MOLDS, THE IM-PROVEMENT WHICH COMPRISES CULTURING A PENICILLIN-PRODUCING MOLD IN A CULTURE MEDIUM CONTAINING AS A NUTRIENT THAT PRINCIPLE OF CORN STEEPWATER REMAINING AFTER REMOVAL THEREFROM OF PHYTATE SOLIDS PRECIPITATED BY MIXING THEREWITH UNDER ACID CONDITIONS A MATERIAL FURNISHING ALUMINUM CATIONS IN SAID ACIDIC MIXTURE.
References Cited (Backward Citations)
US2467107A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-17 | 1955-03-19 | 1955-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-17 | 1959-03-19 | 1959-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-17 | 1963-03-19 | 1963-09-18 | $7700.00 | Window Closed / Lapsed |