Patent US3165397A successfully refreshed from Google Patents.
US3165397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of aluminum particles
Assignee: ConocoPhillips Co
•
Filing: 1962-03-26
•
Granted: 1965-01-12
•
Expires: 1982-03-26
Abstract
No abstract record available.
Inventors
- 👤 Paul A Lobo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:54
CPC Classifications
C; C22; C22B; C22B21/00; C22B21/0038; C22B21/0053
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A METHOD WHICH COMPRISES PASSING INTO A REACTION ZONE AN ALUMINUM COMPOUND HAVING THE FORMULA: R1-AL(-R2)-R3 WHEREIN THE R1, R2 AND R3 GROUPS ARE SELECTED FROM HYDROGEN AND ALKYL RADICALS CONTAINING ABOUT 1 TO 5 CARBON ATOMS AND AT LEAST TWO OF THE GROUPS ARE ALKYL RADICALS, PASSING AN INERT CARRIER FLUID INTO THE REACTION ZONE, THE TEMPERATURE IN THE REACTION ZONE BEING MAINTAINED AT ABOUT 300* TO 700*F., THEREBY CAUSING THE ALUMINUM COMPOUND TO DECOMPOSE AND FORM A THIN ALUMINUM FILM DISRUPTING THE ALUMINUM FILM IN THE PRESENCE OF AN INERT CARRIER FLUID IN THE REACTION ZONE TO FORM FINELY DIVIDED ALUMINUM PARTICLES AND WITHDRAWING THE ALUMINUM PARTICLES FROM THE REACTION ZONE.
Claim 2
Independent Claim
113 words
A METHOD WHICH COMPRISES PASSING INTO A REACTION ZONE AN ALUMINUM COMPOUND HAVING THE FORMULA: R1-AL(-R2)-R3 WHEREIN THE R1, R2 AND R3 GROUPS ARE SELECTED FROM HYDROGEN AND ALKYL RADICALS CONTAINING ABOUT 1 TO 5 CARBON ATOMS AND AT LEAST TWO OF THE GROUPS ARE ALKYL RADICALS, PASSING AN INERT CARRIER FLUID INTO THE REACTION ZONE, THE TEMPERATURE IN THE REACTION ZONE BEING MAINTAINED AT ABOUT 300* TO 700*F., THEREBY CAUSING THE ALUMINUM COMPOUND TO DECOMPOSE AND FORM A THIN ALUMINUM FILM DISRUPTING THE ALUMINUM FILM IN THE PRESENCE OF AN INERT CARRIER FLUID IN THE REACTION ZONE TO FORM FINELY DIVIDED ALUMINUM PARTICLES AND WITHDRAWING THE ALUMINUM PARTICLES FROM THE REACTION ZONE.
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) | 1968-01-12 | 1968-07-13 | 1969-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-12 | 1972-07-13 | 1973-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-12 | 1976-07-13 | 1977-01-12 | $7700.00 | Window Closed / Lapsed |