US3382233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing 5'-guanylic acid
Assignee: KH Neochem Co Ltd
•
Filing: 1966-11-08
•
Granted: 1968-05-07
•
Expires: 1986-11-08
Abstract
No abstract record available.
Inventors
- 👤 Samejima Hirotoshi
- 👤 Teranishi Hiroshi
- 👤 Ito Minoru
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:22
CPC Classifications
C; C07; C07H; C07H19/00; C07H19/02; C07H19/04; C07H19/16; C07H19/20; C07H1/00; C07H1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
A PROCESS FOR PRODUCNG 5''-GUANYLIC ACID WHICH COMPRISES HEATING A SOLUTION CONTAINING GUANOSINE POLYPHOSPHATES AT A TEMPERATURE OF FROM 80* TO 130*C., SAID SOLUTION HAVING A PH FROM 11 TO 14.
Claim 2
Dependent Claim
31 words
A PROCESS FOR PRODUCNG 5''-GUANYLIC ACID WHICH COMPRISES HEATING A SOLUTION CONTAINING GUANOSINE POLYPHOSPHATES AT A TEMPERATURE OF FROM 80* TO 130*C., SAID SOLUTION HAVING A PH FROM 11 TO 14.
References Cited (Backward Citations)
US3190877A
Cited
US3296087A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |