US2615906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid-liquid reaction processes
Assignee: Individual
•
Filing: 1948-05-22
•
Granted: 1952-10-28
•
Expires: 1968-05-22
Abstract
No abstract record available.
Inventors
- 👤 Stanton Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:30
CPC Classifications
B; B01; B01J; B01J16/00; B01J19/00; B01J19/26; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00106; B01J2208/00168; B01J2208/00176; B01J2208/00265; B01J2208/00283; B01J2208/00327; B01J2208/0053
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A PROCESS FOR THE PREPARATION OF ALKYLATED LEAD COMPRISING MIXING COARSELY DIVIDED LEAD ALKALI METAL ALLOY AND ALKYL CHLORIDE UNDER ELEVATED PRESSURE AND THEN ABRUPTLY REDUCING THE PRESSURE AND MIXING SAID REACTANTS UNDER HIGH SPEED AGITATION INDUCED BY FLUID PROPULSION WHILE THE MOVEMENTS OF THE MIXTURE IS CONFINED TO A CLOSED SUBSTANTIALLY VERTICAL ELLIPTICAL PATH UNDER REACTION TEMPERATURE AND PRESSURE CONDITIONS, SAID PATH HAVING A REGION OF HIGHEST COMPRESSION AT THE LOWER END THEREOF, SAID REACANTS BEING SUBJECTED TO THE GREATEST CENTRIFUGAL COMPRESSION IN THE REGION OF HIGHEST COMPRESSION RESULTING FROM THE TANGENTIAL INTRODUCTION OF A FLUID PROPELLANT FROM THE OUTER PERIPHERY OF SAID PATH WHEREBY THE CHEMICAL REACTION IS INTENSIFIED AND FRESH REACTANT SURFACES ARE MAINTAINED, AND SEPARATING ALKYLATED LEAD PRODUCT FROM UNREACTED ALKYL CHLORIDE AND FROM RESIDUE.
Claim 2
Dependent Claim
129 words
A PROCESS FOR THE PREPARATION OF ALKYLATED LEAD COMPRISING MIXING COARSELY DIVIDED LEAD ALKALI METAL ALLOY AND ALKYL CHLORIDE UNDER ELEVATED PRESSURE AND THEN ABRUPTLY REDUCING THE PRESSURE AND MIXING SAID REACTANTS UNDER HIGH SPEED AGITATION INDUCED BY FLUID PROPULSION WHILE THE MOVEMENTS OF THE MIXTURE IS CONFINED TO A CLOSED SUBSTANTIALLY VERTICAL ELLIPTICAL PATH UNDER REACTION TEMPERATURE AND PRESSURE CONDITIONS, SAID PATH HAVING A REGION OF HIGHEST COMPRESSION AT THE LOWER END THEREOF, SAID REACANTS BEING SUBJECTED TO THE GREATEST CENTRIFUGAL COMPRESSION IN THE REGION OF HIGHEST COMPRESSION RESULTING FROM THE TANGENTIAL INTRODUCTION OF A FLUID PROPELLANT FROM THE OUTER PERIPHERY OF SAID PATH WHEREBY THE CHEMICAL REACTION IS INTENSIFIED AND FRESH REACTANT SURFACES ARE MAINTAINED, AND SEPARATING ALKYLATED LEAD PRODUCT FROM UNREACTED ALKYL CHLORIDE AND FROM RESIDUE.
References Cited (Backward Citations)
US1962173A
Cited
US2237091A
Cited
US2310806A
Cited
US2351091A
Cited
US2391723A
Cited
US2385508A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-28 | 1956-04-28 | 1956-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-28 | 1960-04-28 | 1960-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-28 | 1964-04-28 | 1964-10-28 | $7700.00 | Window Closed / Lapsed |