US3083218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of aluminum alcoholates from non-anhydrous lower alcohols
Assignee: Armour and Co
•
Filing: 1960-02-15
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Granted: 1963-03-26
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Expires: 1980-02-15
Abstract
No abstract record available.
Inventors
- 👤 Edgar S Hammerberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:37
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/68; C07C29/70; C07C31/00; C07C31/28; C07C31/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
IN THE PROCESS FOR PRODUCING AN ALUMINUM ALCOHOLATE WHEREIN ALUMINUM IS REACTED WITH A LOW MOLECULAR WEIGHT ALCOHOL IN THE PRESENCE OF A MERCURY CATALYST, THE IMPROVEMENT COMPRISING THE ADDITION OF ABOUT 0.3 TO 3.0% BY WEIGHT OF SAID ALCOHOL OF ALUMINUM CHLORIDE, WHEREBY THE NECESSITY OF USING ANHYDROUS ALCOHOL AND ALUMINUM UNDER ANHYDROUS REACTION CONDITIONS IS OBVIATED.
Claim 2
Dependent Claim
58 words
IN THE PROCESS FOR PRODUCING AN ALUMINUM ALCOHOLATE WHEREIN ALUMINUM IS REACTED WITH A LOW MOLECULAR WEIGHT ALCOHOL IN THE PRESENCE OF A MERCURY CATALYST, THE IMPROVEMENT COMPRISING THE ADDITION OF ABOUT 0.3 TO 3.0% BY WEIGHT OF SAID ALCOHOL OF ALUMINUM CHLORIDE, WHEREBY THE NECESSITY OF USING ANHYDROUS ALCOHOL AND ALUMINUM UNDER ANHYDROUS REACTION CONDITIONS IS OBVIATED.
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) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |