US2589969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of fulvene hydrocarbons
Assignee: Standard Oil Development Co
•
Filing: 1950-01-07
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Granted: 1952-03-18
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Expires: 1970-01-07
Abstract
No abstract record available.
Inventors
- 👤 Henry G Schutze
- 👤 Edward F Wadley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:10
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/86; C07C2/862; C07C2/867; C07C2521/00; C07C2521/02; C07C2521/04; C07C2521/06; C07C2521/08; C07C2521/10; C07C2601/00; C07C2601/06; C07C2601/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A METHOD FOR PRODUCING FULVENE HYDROCARBONS WHICH COMPRISES CONTACTING A MIXTURE OF A HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF HYDROCARBONS CONTAINING AT LEAST ONE METHYLENE GROUP ALLYL TO TWO DOUBLE BONDS AND HAVING FROM 5 TO 9 CARBON ATOMS IN THE MOLECULE AND POLYMERS THEREOF WHICH DECOMPOSE TO FORM SAID HYDROCARBONS AND A CARBONYL COMPOUND HAVING FROM 2 TO 5 CARBON ATOMS IN THE MOLECULE IN THE VAPOR PHASE AT A TEMPERATURE IN THE RANGE FROM 400* TO 900* F. WITH A CATALYST SELECTED FROM THE GROUP CONSISTING OF ALUMINUM OXIDE, MAGNESIUM OXIDE, SILICON OXIDE, AND MIXTURES THEREOF TO FORM A PRODUCT COMPRISING A FULVENE HYDROCARBON.
Claim 2
Independent Claim
107 words
A METHOD FOR PRODUCING FULVENE HYDROCARBONS WHICH COMPRISES CONTACTING A MIXTURE OF A HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF HYDROCARBONS CONTAINING AT LEAST ONE METHYLENE GROUP ALLYL TO TWO DOUBLE BONDS AND HAVING FROM 5 TO 9 CARBON ATOMS IN THE MOLECULE AND POLYMERS THEREOF WHICH DECOMPOSE TO FORM SAID HYDROCARBONS AND A CARBONYL COMPOUND HAVING FROM 2 TO 5 CARBON ATOMS IN THE MOLECULE IN THE VAPOR PHASE AT A TEMPERATURE IN THE RANGE FROM 400* TO 900* F. WITH A CATALYST SELECTED FROM THE GROUP CONSISTING OF ALUMINUM OXIDE, MAGNESIUM OXIDE, SILICON OXIDE, AND MIXTURES THEREOF TO FORM A PRODUCT COMPRISING A FULVENE HYDROCARBON.
References Cited (Backward Citations)
US2246032A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-18 | 1955-09-17 | 1956-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-18 | 1959-09-17 | 1960-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-18 | 1963-09-17 | 1964-03-18 | $7700.00 | Window Closed / Lapsed |