US2588090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the preparation of basic aluminum salts of alpha amino acids
Assignee: Individual
•
Filing: 1950-04-14
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Granted: 1952-03-04
•
Expires: 1970-04-14
Abstract
No abstract record available.
Inventors
- 👤 Geza S Delmar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:56
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/06; C07F5/069
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
47 words
A PROCESS FOR THE PREPARATION OF BASIC ALUMINUM SALTS, COMPRISING REACTING A PURE AND FINELY DIVIDED ALUMINUM HYDROXIDE GEL POSSESSING SWELLING PROPERTIES WITH AT LEAST ONE ALPHA-AMINO ACID IN THE PRESENCE OF WATER TO FORM A PASTE OF THE DESIRED BASIC ALUMINUM SALT, AND DRYING SAID PASTE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-04 | 1955-09-03 | 1956-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-04 | 1959-09-03 | 1960-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-04 | 1963-09-03 | 1964-03-04 | $7700.00 | Window Closed / Lapsed |