Patent US2701265A successfully refreshed from Google Patents.
US2701265A
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Treatment of diolefinic terpenes
Assignee: Ruhrchemie AG
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Filing: 1950-08-17
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Granted: 1955-02-01
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Expires: 1970-08-17
Abstract
No abstract record available.
Inventors
- 👤 Buchner Karl
- 👤 Stader Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:37
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/49; C07C45/50; C07C29/00; C07C29/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
IN THE METHOD FOR THE PREPARATION OF SATURATED TERPENE ALDEHYDES AND TERPENE ALCOHOLS FROM DIOLEFINIC TERPENE HYDROCARBONS BY THE CONTACTING OF A DIOLEFINIC TERPENE HYDROCARBON BOILING BELOW 160* C. WITH A CARBON MONOXIDE HYDROGEN CONTAINING GAS IN THE PRESENCE OF A COBALT CATALYST, THE IMPROVEMENT WHICH COMPRISES PRECONTACTING SAID DIOLEFINIC TERPENE HYDROCARBON WITH SAID COBALT CATALYST AS THE SOLE ACTIVE AGENT, AT A TEMPERATURE RANGING FROM ABOUT 0* C. TO 300* C.; PRIOR TO SAID CONTACTING WITH SAID CARBON MONOXIDE HYDROGEN CONTAINING GAS FOR A PERIOD OF TIME OF AT LEAST ONE HOUR.
Claim 2
Dependent Claim
93 words
IN THE METHOD FOR THE PREPARATION OF SATURATED TERPENE ALDEHYDES AND TERPENE ALCOHOLS FROM DIOLEFINIC TERPENE HYDROCARBONS BY THE CONTACTING OF A DIOLEFINIC TERPENE HYDROCARBON BOILING BELOW 160* C. WITH A CARBON MONOXIDE HYDROGEN CONTAINING GAS IN THE PRESENCE OF A COBALT CATALYST, THE IMPROVEMENT WHICH COMPRISES PRECONTACTING SAID DIOLEFINIC TERPENE HYDROCARBON WITH SAID COBALT CATALYST AS THE SOLE ACTIVE AGENT, AT A TEMPERATURE RANGING FROM ABOUT 0* C. TO 300* C.; PRIOR TO SAID CONTACTING WITH SAID CARBON MONOXIDE HYDROGEN CONTAINING GAS FOR A PERIOD OF TIME OF AT LEAST ONE HOUR.
References Cited (Backward Citations)
US1879767A
Cited
US2327066A
Cited
US2339429A
Cited
US2400012A
Cited
US2394691A
Cited
US2437600A
Cited
US2501200A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-31 | 1958-08-02 | 1959-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-31 | 1962-08-02 | 1963-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-31 | 1966-08-02 | 1967-02-01 | $7700.00 | Window Closed / Lapsed |