US3097226A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two step preparation of aluminum alkoxides
Assignee: ConocoPhillips Co
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Filing: 1961-07-25
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Granted: 1963-07-09
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Expires: 1981-07-25
Abstract
No abstract record available.
Inventors
- 👤 Donald R Napier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:50
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/68; C07C29/72; C07C29/48; C07C29/50; C07C29/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A PROCESS WHICH COMPRISES (1) FIRST REACTING ALUMINUM ALKYL GROWTH PRODUCT WITH AN ELEMENTAL OXYGEN CONTAINING GAS AT A TEMPERATURE ABOUT NORMAL ROOM TEMPERATURE NOT EXCEEDING ABOUT 70* C. TO EFFECT A SUBSTANTIAL CONVERSION TO THE ALKOXIDE BUT NOT MORE THAN ABOUT 70 PERCENT AND (2) THEREAFTER REDUCING THE TEMPERATURE TO BELOW THE REACTION TEMPERATURE OF THE FIRST STEP, REACTING THE UNREACTED TRIALKYL GROUP PRODUCT WITH ELEMENTAL OXYGEN CONTAINING GAS AT SAID TEMPERATURE BELOW NORMAL ROOM TEMPERATURE NOT BELOW ABOUT -10* C. TO EFFECT SIGNIFICANTLY MORE CONVERSION TO ALUMINUM ALKOXIDE THAN WOULD RESULT FROM CONTINUING THE REACTION AT THE TEMPERATURE OF THE FIRST STEP OF THE SAME LENGTH OF TIME.
Claim 2
Dependent Claim
110 words
A PROCESS WHICH COMPRISES (1) FIRST REACTING ALUMINUM ALKYL GROWTH PRODUCT WITH AN ELEMENTAL OXYGEN CONTAINING GAS AT A TEMPERATURE ABOUT NORMAL ROOM TEMPERATURE NOT EXCEEDING ABOUT 70* C. TO EFFECT A SUBSTANTIAL CONVERSION TO THE ALKOXIDE BUT NOT MORE THAN ABOUT 70 PERCENT AND (2) THEREAFTER REDUCING THE TEMPERATURE TO BELOW THE REACTION TEMPERATURE OF THE FIRST STEP, REACTING THE UNREACTED TRIALKYL GROUP PRODUCT WITH ELEMENTAL OXYGEN CONTAINING GAS AT SAID TEMPERATURE BELOW NORMAL ROOM TEMPERATURE NOT BELOW ABOUT -10* C. TO EFFECT SIGNIFICANTLY MORE CONVERSION TO ALUMINUM ALKOXIDE THAN WOULD RESULT FROM CONTINUING THE REACTION AT THE TEMPERATURE OF THE FIRST STEP OF THE SAME LENGTH OF TIME.
References Cited (Backward Citations)
US2892858A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-08 | 1967-01-07 | 1967-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-08 | 1971-01-07 | 1971-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-08 | 1975-01-07 | 1975-07-09 | $7700.00 | Window Closed / Lapsed |