Patent US2966525A successfully refreshed from Google Patents.
US2966525A
Expired / Lapsed
US
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Preparation of allyl chloride
Assignee: Monsanto Chemicals Ltd
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Filing: 1959-05-19
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Granted: 1960-12-27
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Expires: 1979-05-19
Abstract
No abstract record available.
Inventors
- 👤 Donald E Steen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:21
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/093; C07C17/15; C07C17/152; C07C17/156
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
A PROCESS FOR THE PREPARATION OF ALLYL CHLORIDE WHICH COMPRISES REACTING PROPYLENE WITH HYDROGEN CHLORIDE AND OXYGEN IN THE PRESENCE OF A CATALYST WHICH CONSISTS ESSENTIALLY OF LITHIUM CHLORIDE SUPPORTED ON PUMICE AT A TEMPERATURE ABOVE ABOUT 400*C.
Claim 2
Dependent Claim
38 words
A PROCESS FOR THE PREPARATION OF ALLYL CHLORIDE WHICH COMPRISES REACTING PROPYLENE WITH HYDROGEN CHLORIDE AND OXYGEN IN THE PRESENCE OF A CATALYST WHICH CONSISTS ESSENTIALLY OF LITHIUM CHLORIDE SUPPORTED ON PUMICE AT A TEMPERATURE ABOVE ABOUT 400*C.
References Cited (Backward Citations)
US2094064A
Cited
US2308489A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-27 | 1964-06-27 | 1964-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-27 | 1968-06-27 | 1968-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-27 | 1972-06-27 | 1972-12-27 | $7700.00 | Window Closed / Lapsed |