US3050470A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of reacting a group iii-a metal with a group iv-a metal halide and hydrogen in a liquid organic medium and the product of said processes
Assignee: Ethyl Corp
•
Filing: 1957-04-10
•
Granted: 1962-08-21
•
Expires: 1977-04-10
Abstract
No abstract record available.
Inventors
- 👤 Tillmon H Pearson
- 👤 Thomas O Sistrunk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:45
CPC Classifications
C; C07; C07F; C07F7/00; C08; C08F; C08F10/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
THE PROCESS OBTAINED BY REACTING A GROUP III-A METAL WITH A GROUP IV-A METAL HALIDE AND HYDROGEN IN THE PRESENCE OF A LIQUID ORGANIC MEDIUM SELECTED FROM THE GROUP CONSISTING OF HYDROCARBON AND ETHERS, AT A TEMPERATURE BETWEEN ABOUT 25 AND 150* C, AND A PRESSURE BETWEEN ATMOSPHERIC AND 50,000 P,S.I.G. SAID GROUP III-A METAL BEING PRESENT IN AN AMOUNT OF AT LEAST ABOUT THE STOICHIOMETRIC AMOUNT REQUIRED TO REDUCE SAID GROUP IV-A METAL HALIDE TO ITS LOWER VALENCE STATE.
Claim 2
Dependent Claim
80 words
THE PROCESS OBTAINED BY REACTING A GROUP III-A METAL WITH A GROUP IV-A METAL HALIDE AND HYDROGEN IN THE PRESENCE OF A LIQUID ORGANIC MEDIUM SELECTED FROM THE GROUP CONSISTING OF HYDROCARBON AND ETHERS, AT A TEMPERATURE BETWEEN ABOUT 25 AND 150* C, AND A PRESSURE BETWEEN ATMOSPHERIC AND 50,000 P,S.I.G. SAID GROUP III-A METAL BEING PRESENT IN AN AMOUNT OF AT LEAST ABOUT THE STOICHIOMETRIC AMOUNT REQUIRED TO REDUCE SAID GROUP IV-A METAL HALIDE TO ITS LOWER VALENCE STATE.
References Cited (Backward Citations)
US2483130A
Cited
US2524771A
Cited
US2666756A
Cited
US2562856A
Cited
US2575323A
Cited
US2773053A
Cited
FR1132506A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |