Patent US2653897A successfully refreshed from Google Patents.
US2653897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkali metal salts of adenylic acid
Assignee: ERNST BISCHOFF Co Inc
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Filing: 1949-06-10
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Granted: 1953-09-29
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Expires: 1969-06-10
Abstract
No abstract record available.
Inventors
- 👤 Edward K Harvill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:09
CPC Classifications
C; C07; C07H; C07H1/00; C07H1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A STABLE STERILE AQUEOUS SOLUTION OF A MAJOR PROPORTION OF MONOSODIUM ADENYLATE AND A MINOR PROPORTION OF DISODIUM ADENYLATE DERIVED FROM AN ADENYLIC ACID HAVING THE FORMULA:
Claim 2
Dependent Claim
27 words
A STABLE STERILE AQUEOUS SOLUTION OF A MAJOR PROPORTION OF MONOSODIUM ADENYLATE AND A MINOR PROPORTION OF DISODIUM ADENYLATE DERIVED FROM AN ADENYLIC ACID HAVING THE FORMULA:
References Cited (Backward Citations)
US1976175A
Cited
US1978881A
Cited
US2101099A
Cited
US2082395A
Cited
US2215233A
Cited
US2379914A
Cited
US2417841A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-28 | 1957-03-30 | 1957-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-28 | 1961-03-30 | 1961-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-28 | 1965-03-30 | 1965-09-29 | $7700.00 | Window Closed / Lapsed |