US3049536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing inosine
Assignee: Zellsloff Fabrik Waldhof AG
•
Filing: 1960-01-21
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Granted: 1962-08-14
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Expires: 1980-01-21
Abstract
No abstract record available.
Inventors
- 👤 Reiff Ferdinand
- 👤 Huber Gerhard
- 👤 Holle Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:41
CPC Classifications
C; C07; C07H; C07H19/00; C07H19/02; C07H19/04; C07H19/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
IN A METHOD OF PRODUCING AND RECOVERING INOSINE, THE STEP OF TREATING A SOLUTION OF ADENOSINE WITH NITROUS ACID IN AN AMOUNT IN EXCESS OF THE AMOUNT THEORETICALLY NECESSARY TO CONVERT ALL OF SAID ADENOSINE TO INOSINE SO AS TO OBTAIN A REACTION SOLUTION CONTAINING INOSINE AND BEING SUBSTANTIALLY FREE OF ADENOSINE.
Claim 2
Dependent Claim
52 words
IN A METHOD OF PRODUCING AND RECOVERING INOSINE, THE STEP OF TREATING A SOLUTION OF ADENOSINE WITH NITROUS ACID IN AN AMOUNT IN EXCESS OF THE AMOUNT THEORETICALLY NECESSARY TO CONVERT ALL OF SAID ADENOSINE TO INOSINE SO AS TO OBTAIN A REACTION SOLUTION CONTAINING INOSINE AND BEING SUBSTANTIALLY FREE OF ADENOSINE.
References Cited (Backward Citations)
US2719843A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-13 | 1966-02-12 | 1966-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-13 | 1970-02-12 | 1970-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-13 | 1974-02-12 | 1974-08-14 | $7700.00 | Window Closed / Lapsed |