Patent US2932659A successfully refreshed from Google Patents.
US2932659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organic aluminum compounds and a process of preparing them
Assignee: Hoechst AG
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Filing: 1954-05-21
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Granted: 1960-04-12
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Expires: 1974-05-21
Abstract
No abstract record available.
Inventors
- 👤 Orthner Ludwig
- 👤 Reuter Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:50
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/06; C07F5/069
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
126 words
THE PROCESS FOR ACYLATING AN ALUMINUM TRIALCOHOLATE WHICH COMPRISES HEATING TO A TEMPERATURE RANGING FROM ABOUT 50* TO 200* C. A MIXTURE OF AN ALUMINUM TRIALCOHOLATE OF AN ALCOHOL OF AN ALIPHATIC HYDROCARBON HAVING UP TO 4 CARBON ATOMS AND A MEMBER OF THE GROUP CONSISTING OF ALUMINUM TRICARBOXYLATES AND BASIC ALUMINUM CARBOXYLATES OF AT LEAST ONE CARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF MONOBASIC CARBOXYLIC ACIDS OF ALIPHATIC HYDROCARBONS HAVING UP TO 18 CARBON ATOMS, MONOHYDROXY SUBSTITUTED MONOBASIC CARBOXYLIC ACIDS OF ALIPHATIC HYDROCARBONS HAVING UP TO 18 CARBON ATOMS, AND BENZOIC ACID, THE MOLAR RATIO OF ALUMINUM TRICARBOXYLATE TO ALUMINUM TRIALCOHOLATE BEING BETWEEN ABOUT 0.1:1 AND 1:1, AND THE MOLAR RATIO OF BASIC ALUMINUM CARBOXYLATE TO ALUMINUM TRIALCOHOLATE BEING BETWEEN ABOUT 0.33:1 AND 2:1.
Claim 2
Dependent Claim
126 words
THE PROCESS FOR ACYLATING AN ALUMINUM TRIALCOHOLATE WHICH COMPRISES HEATING TO A TEMPERATURE RANGING FROM ABOUT 50* TO 200* C. A MIXTURE OF AN ALUMINUM TRIALCOHOLATE OF AN ALCOHOL OF AN ALIPHATIC HYDROCARBON HAVING UP TO 4 CARBON ATOMS AND A MEMBER OF THE GROUP CONSISTING OF ALUMINUM TRICARBOXYLATES AND BASIC ALUMINUM CARBOXYLATES OF AT LEAST ONE CARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF MONOBASIC CARBOXYLIC ACIDS OF ALIPHATIC HYDROCARBONS HAVING UP TO 18 CARBON ATOMS, MONOHYDROXY SUBSTITUTED MONOBASIC CARBOXYLIC ACIDS OF ALIPHATIC HYDROCARBONS HAVING UP TO 18 CARBON ATOMS, AND BENZOIC ACID, THE MOLAR RATIO OF ALUMINUM TRICARBOXYLATE TO ALUMINUM TRIALCOHOLATE BEING BETWEEN ABOUT 0.1:1 AND 1:1, AND THE MOLAR RATIO OF BASIC ALUMINUM CARBOXYLATE TO ALUMINUM TRIALCOHOLATE BEING BETWEEN ABOUT 0.33:1 AND 2:1.
Claim 3
Dependent Claim
15 words
THE PROCESS AS CLAIMED IN CLAIM 1 FOR WHICH SAID CARBOXYLIC ACID IS STEARIC ACID.
References Cited (Backward Citations)
BE519092A
Cited
US2801190A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |