US2918484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of neutral salts of aluminum with water-soluble organic acids
Assignee: Individual
•
Filing: 1951-03-01
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Granted: 1959-12-22
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Expires: 1971-03-01
Abstract
No abstract record available.
Inventors
- 👤 Huehn Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:56
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/06; C07F5/069; C07C; C07C51/00; C07C51/41; C07C51/412
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
79 words
THE PROCESS FOR THE PRODUCTION OF NEUTRAL SALTS OF ALUMINUM WITH WATER-SOLUBLE LOW MOLECULAR ALIPHATIC MONOCARBOXYLIC ACIDS WHICH CONSISTS IN REACTING IN AQUEOUS SOLUTION AN INORGANIC ALUMINUM SALT WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE HYDROXIDES AND CARBONATES OF ALKALI METALS AND AMMONIUM AT TEMPERATURES BELOW 50*C., FREEING THE RESULTING WATERCONTAINING ALUMINUM HYDROXIDE FROM MOTHER LIQUOR, DISSOLVING IT IN THE CARBOXYLIC ACID, THE ALUMINUM SALT OF WHICH IS DESIRED, AND THEN ISOLATING THE ALUMINUM SALT FORMED.
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) | 1962-12-21 | 1963-06-22 | 1963-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-21 | 1967-06-22 | 1967-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-21 | 1971-06-22 | 1971-12-22 | $7700.00 | Window Closed / Lapsed |