Patent US2945871A successfully refreshed from Google Patents.
US2945871A
Expired / Lapsed
US
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Preparation of aryl esters
Assignee: Monsanto Chemicals Ltd
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Filing: 1958-01-30
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Granted: 1960-07-19
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Expires: 1978-01-30
Abstract
No abstract record available.
Inventors
- 👤 James G Murray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:27
CPC Classifications
C; C07; C07C; C07C69/00; C07C69/02; C07C69/22; C07C69/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
THE PROCESS FOR PRODUCING ARYL ESTERS WHICH COMPRISES REACTING AN OLEFINIC HYDROCARBON, CARBON MONOXIDE, AND AN ORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF HALOPHENOLS, NITROHALOPHENOLS AND NITROPHENOLS IN THE PRESENCE OF AMINERAL ACID CATALYST.
Claim 2
Dependent Claim
35 words
THE PROCESS FOR PRODUCING ARYL ESTERS WHICH COMPRISES REACTING AN OLEFINIC HYDROCARBON, CARBON MONOXIDE, AND AN ORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF HALOPHENOLS, NITROHALOPHENOLS AND NITROPHENOLS IN THE PRESENCE OF AMINERAL ACID CATALYST.
References Cited (Backward Citations)
US1979717A
Cited
US2467206A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |