Patent US3192251A successfully refreshed from Google Patents.
US3192251A
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Preparation of esters of cyclotriene hydrocarbons
Assignee: Phillips Petroleum Co
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Filing: 1961-09-18
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Granted: 1965-06-29
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Expires: 1981-09-18
Abstract
No abstract record available.
Inventors
- 👤 Roy A Gray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:36
CPC Classifications
C; C07; C07C; C07C35/00; C07C35/02; C07C35/205; C07C29/00; C07C29/09; C07C29/095; C07C2601/00; C07C2601/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A PROCESS FOR THE PREPARATION OF A MONOESTER DERIVATIVE OF A CYCLOTRIENE HYDROCARBON, SAID MONOESTER COMPOUND CONTAINING ONLY ONE CARBON TO CARBON DOUBLE BOND IN THE ESTER GROUP THEREOF, WHICH PROCESS COMPRISES; REACTING A CYCLOTRIENE HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF MONOCYCLICTRENE HYDROCARBONS HAVING 12 CARBON ATOMS IN THE RING AND CARBON TO CARBON DOUBLE BONDS IN THE 1,5, AND 9 POSITIONS IN SAID RING AND TRIMETHYL DERIVATIVES THEREOF WITH A HALOGEN-CONTAINING ACID IN A REACTION ZONE, SAID ACID BEING CHARACTERIZED BY THE FOLLOWING STRUCTURAL FORMULA
Claim 2
Dependent Claim
87 words
A PROCESS FOR THE PREPARATION OF A MONOESTER DERIVATIVE OF A CYCLOTRIENE HYDROCARBON, SAID MONOESTER COMPOUND CONTAINING ONLY ONE CARBON TO CARBON DOUBLE BOND IN THE ESTER GROUP THEREOF, WHICH PROCESS COMPRISES; REACTING A CYCLOTRIENE HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF MONOCYCLICTRENE HYDROCARBONS HAVING 12 CARBON ATOMS IN THE RING AND CARBON TO CARBON DOUBLE BONDS IN THE 1,5, AND 9 POSITIONS IN SAID RING AND TRIMETHYL DERIVATIVES THEREOF WITH A HALOGEN-CONTAINING ACID IN A REACTION ZONE, SAID ACID BEING CHARACTERIZED BY THE FOLLOWING STRUCTURAL FORMULA
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) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |