US3848053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkyl aluminum disposal method
Assignee: Ethyl Corp
•
Filing: 1973-07-26
•
Granted: 1974-11-12
•
Expires: 1993-07-26
Abstract
Abstract 1. A METHOD OF RECOVERING ALUMINUM FROM A COMPOSITION CONTAINING AN ALKYL ALUMINUM COMPOUND, SAID METHOD COMPRISING REACTING SAID COMPOSITION WITH AN ANILINE TO FORM AN ALUMINUM ANILIDE, HYDROLYZING SAID ALUMINUM ANILIDE WITH AQUEOUS BASE, AND REACTING THE HYDROLYZED PRODUCT WITH AN ALKALINE EARTH METAL BASE TO PRECIPITATE AN ALKALINE EARTH METAL ALUMINATE IN A RECOVERABLE FORM.
Inventors
- 👤 L Governale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:23
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/02; B01J31/12; B01J31/14; B01J31/143; B01J31/40; B01J31/4015; C; C01; C01F; C01F7/00; C01F7/02; C01F7/16; C01F7/164; C01F7/34; C01F7/36; B01J2231/00; B01J2231/10; B01J2231/12; B01J27/00; B01J27/06; B01J27/08; B01J27/10; B01J31/0234; B01J31/0235; B01J31/0252; B01J31/26; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/584
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A METHOD OF RECOVERING ALUMINUM FROM A COMPOSITION CONTAINING AN ALKYL ALUMINUM COMPOUND, SAID METHOD COMPRISING REACTING SAID COMPOSITION WITH AN ANILINE TO FORM AN ALUMINUM ANILIDE, HYDROLYZING SAID ALUMINUM ANILIDE WITH AQUEOUS BASE, AND REACTING THE HYDROLYZED PRODUCT WITH AN ALKALINE EARTH METAL BASE TO PRECIPITATE AN ALKALINE EARTH METAL ALUMINATE IN A RECOVERABLE FORM.
Claim 2
Independent Claim
56 words
A METHOD OF RECOVERING ALUMINUM FROM A COMPOSITION CONTAINING AN ALKYL ALUMINUM COMPOUND, SAID METHOD COMPRISING REACTING SAID COMPOSITION WITH AN ANILINE TO FORM AN ALUMINUM ANILIDE, HYDROLYZING SAID ALUMINUM ANILIDE WITH AQUEOUS BASE, AND REACTING THE HYDROLYZED PRODUCT WITH AN ALKALINE EARTH METAL BASE TO PRECIPITATE AN ALKALINE EARTH METAL ALUMINATE IN A RECOVERABLE FORM.
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) | 1977-11-11 | 1978-05-13 | 1978-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-11 | 1982-05-13 | 1982-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-11 | 1986-05-13 | 1986-11-12 | $7700.00 | Window Closed / Lapsed |