Patent US3325524A successfully refreshed from Google Patents.
US3325524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aluminum compounds and method of preparation
Assignee: ConocoPhillips Co
•
Filing: 1961-07-27
•
Granted: 1967-06-13
•
Expires: 1981-07-27
Abstract
No abstract record available.
Inventors
- 👤 Allan J Lundeen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:41
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/06; C07F5/061; C07F5/062
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
6 words
A COMPOUND HAVING THE STRUCTURAL FORMULA:
Claim 2
Dependent Claim
6 words
A COMPOUND HAVING THE STRUCTURAL FORMULA:
Claim 3
Independent Claim
79 words
A METHOD OF PRODUCING A DIFUNCTIONAL ALUMINUM COMPOUND WHICH COMPRISES REACTING A HYDRIDE SELECTED FROM THE GROUP CONSISTING OF DICYCLOALKYLALUMINUM HYDRIDE AND DIALKYLALUMINUM HYDRIDE WITH AT LEAST A STOICHIOMETRIC AMOUNT OF AN ALPHA-OMEGA-DIOLEFIN SELECTED FROM THE GROUP CONSISTING OF A C5 DIOLEFIN AND DIOLEFIN CONTAINING AT LEAST SEVEN CARBON ATOMS TO FORM A MONOSUBSTITUTED ALUMINUM COMPOUND AND THEN REACTING THE MONO-SUBSTITUTED ALUMINUM COMPOUND WITH AT LEAST A STOICHIOMETRIC AMOUNT OF THE AFROESAID HYDRIDE TO PRODUCE A DIFUNCTIONAL ALUMINUM COMPOUND.
Claim 4
Independent Claim
79 words
A METHOD OF PRODUCING A DIFUNCTIONAL ALUMINUM COMPOUND WHICH COMPRISES REACTING A HYDRIDE SELECTED FROM THE GROUP CONSISTING OF DICYCLOALKYLALUMINUM HYDRIDE AND DIALKYLALUMINUM HYDRIDE WITH AT LEAST A STOICHIOMETRIC AMOUNT OF AN ALPHA-OMEGA-DIOLEFIN SELECTED FROM THE GROUP CONSISTING OF A C5 DIOLEFIN AND DIOLEFIN CONTAINING AT LEAST SEVEN CARBON ATOMS TO FORM A MONOSUBSTITUTED ALUMINUM COMPOUND AND THEN REACTING THE MONO-SUBSTITUTED ALUMINUM COMPOUND WITH AT LEAST A STOICHIOMETRIC AMOUNT OF THE AFROESAID HYDRIDE TO PRODUCE A DIFUNCTIONAL ALUMINUM COMPOUND.
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) | 1970-06-12 | 1970-12-12 | 1971-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-12 | 1974-12-12 | 1975-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-12 | 1978-12-12 | 1979-06-13 | $7700.00 | Window Closed / Lapsed |