US3120568A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recovery of allyl chloride
Assignee: Halcon Research and Development Corp
•
Filing: 1960-12-22
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Granted: 1964-02-04
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Expires: 1980-12-22
Abstract
No abstract record available.
Inventors
- 👤 Brown David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:42
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/38; C07C17/093; C07C17/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A PROCESS FOR THE PREPARATION OF ALLYL CHLORIDE WHICH COMPRISES: PASSING PROPYLENE AND CHLORINE INTO A REACTOR; REACTING SAID PROPYLENE AND CHLORINE; WITHDRAWING FROM SAID REACTOR A REACTOR EFFLUENT CONTAINING UNREACTED PROPYLENE, BY-PRODUCT HYDROGEN CHLORIDE, TARRY MATERIALS, LIGHT ENDS, HEAVY ENDS AND ALLYL CHLORIDE; QUENCHING THE REACTOR EFFLUENT SO AS TO CONDENSE THE TARRY MATERIAL; PASSING THE UNCONDENSED MATERIAL TO A FRACTONATION ZONE; SEPARATING OVERHEAD BY-PRODUCT HYDROGEN CHLORIDE AND UNREACTED PROPYLENE; PASSING THE RESIDUE TO A FIRST DISTILLATION ZONE; SEPARATING THE LIGHT ENDS AS AN OVERHEAD PRODUCT; PASSING THE RESIDUE TO A SECOND DISTILLATION ZONE; WITHDRAWING ALLYL CHLORIDE AS THE OVERHEAD PRODUCT; AND RECYCLING THE HEAVY ENDS RESIDUE AS REFLUX TO SAID FRACTIONATION ZONE.
Claim 2
Dependent Claim
114 words
A PROCESS FOR THE PREPARATION OF ALLYL CHLORIDE WHICH COMPRISES: PASSING PROPYLENE AND CHLORINE INTO A REACTOR; REACTING SAID PROPYLENE AND CHLORINE; WITHDRAWING FROM SAID REACTOR A REACTOR EFFLUENT CONTAINING UNREACTED PROPYLENE, BY-PRODUCT HYDROGEN CHLORIDE, TARRY MATERIALS, LIGHT ENDS, HEAVY ENDS AND ALLYL CHLORIDE; QUENCHING THE REACTOR EFFLUENT SO AS TO CONDENSE THE TARRY MATERIAL; PASSING THE UNCONDENSED MATERIAL TO A FRACTONATION ZONE; SEPARATING OVERHEAD BY-PRODUCT HYDROGEN CHLORIDE AND UNREACTED PROPYLENE; PASSING THE RESIDUE TO A FIRST DISTILLATION ZONE; SEPARATING THE LIGHT ENDS AS AN OVERHEAD PRODUCT; PASSING THE RESIDUE TO A SECOND DISTILLATION ZONE; WITHDRAWING ALLYL CHLORIDE AS THE OVERHEAD PRODUCT; AND RECYCLING THE HEAVY ENDS RESIDUE AS REFLUX TO SAID FRACTIONATION ZONE.
References Cited (Backward Citations)
US2077382A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-03 | 1967-08-05 | 1968-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-03 | 1971-08-05 | 1972-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-03 | 1975-08-05 | 1976-02-04 | $7700.00 | Window Closed / Lapsed |