Patent US3562273A successfully refreshed from Google Patents.
US3562273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tris (hydroxymethyl) aminomethane theophylline acetate
Assignee: Ferrer Internacional SA
•
Filing: 1967-02-17
•
Granted: 1971-02-09
•
Expires: 1987-02-17
Abstract
Abstract THE PRESENT INVENTION RELATES TO COMPOSITIONS OF TRIS (HYDROXYMETHYL) AMINOMETHANE WITH MONOCARBOXYLIC AMINATED ORGANIC OACIDS SUCH AS THEOPHYLLINE-ACETIC ACID, THIOCTIC ACID, OROTIC ACID AND PANGAMIC ACID, THE METHOD OF MANUFACTURING THE SAME, AND THE METHOD OF TREATING ACIDOSIS BY ADMINSTRATION OF THE SAME.
Inventors
- 👤 Carlos Ferrer Salat
- 👤 Jorge Ferrer Batlles
- 👤 Juan Colome Riera
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:20
CPC Classifications
C; C07; C07D; C07D239/00; C07D239/02; C07D239/24; C07D239/28; C07D239/46; C07D239/52; C07D239/54; C07D239/545; C07D239/557; C07D339/00; C07D339/02; C07D339/04; C07D473/00; C07D473/02; C07D473/04; C07D473/06; C07D473/08; C07H; C07H23/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |