US3104252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of organoaluminum compounds in the presence of a catalytic amount of ti, zr, nb, v, sc, u, or hf
Assignee: ConocoPhillips Co
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Filing: 1960-09-26
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Granted: 1963-09-17
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Expires: 1980-09-26
Abstract
No abstract record available.
Inventors
- 👤 Frederick J Radd
- 👤 Warren W Woods
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:47
CPC Classifications
C; C22; C22C; C22C21/00; B; B01; B01J; B01J31/00; B01J31/02; B01J31/12; B01J31/14; B01J31/143; C07; C07F; C07F5/00; C07F5/06; C07F5/061; C07F5/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
IN A PROCESS FOR PREPARING ORGANOALUMINUUM COMPOUNDS, SAID COMPOUNDS BEING CHARACTERIZED AS HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
16 words
IN A PROCESS FOR PREPARING ORGANOALUMINUUM COMPOUNDS, SAID COMPOUNDS BEING CHARACTERIZED AS HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
US2900402A
Cited
US2787626A
Cited
US2931722A
Cited
US2922714A
Cited
AT215426B
Cited
US2971969A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |