US3152116A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tris (hydroxy methyl) amino methane salts of nucleotides
Assignee: Sigma Chemical Co
•
Filing: 1960-05-25
•
Granted: 1964-10-06
•
Expires: 1980-05-25
Abstract
No abstract record available.
Inventors
- 👤 Broida Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:59
CPC Classifications
C; C07; C07H; C07H19/00; C07H19/02; C07H19/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
15 words
DRY,STABLE TRIS (HYDROXY METHYL) AMINO METHANE SALT OF ADENOSINE TRIPHOSPHATE SUBSTANTIALLY FREE OF METALLIC CATIONS.
Claim 2
Dependent Claim
15 words
DRY,STABLE TRIS (HYDROXY METHYL) AMINO METHANE SALT OF ADENOSINE TRIPHOSPHATE SUBSTANTIALLY FREE OF METALLIC CATIONS.
References Cited (Backward Citations)
US2710860A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-06 | 1968-04-06 | 1968-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-06 | 1972-04-06 | 1972-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-06 | 1976-04-06 | 1976-10-06 | $7700.00 | Window Closed / Lapsed |