US2701816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Formylated terpene products
Assignee: Ruhrchemie AG
•
Filing: 1950-03-11
•
Granted: 1955-02-08
•
Expires: 1970-03-11
Abstract
No abstract record available.
Inventors
- 👤 Buchner Karl
- 👤 Hagemann August
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:56
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/49; C07C45/50; Y; Y10; Y10S; Y10S585/00; Y10S585/929; Y10S585/947
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
METHOD FOR THE PREPARATION OF TERPENE FORMYLATION PRODUCTS BY THE CATALYTIC ADDITION OF WATER GAS TO TERPENE HYDROCARBONS, WHICH COMPRISES TREATING A TERPENE FRACTION OBTAINED FROM NATURAL SUBSTANCES WITH A SALT SOLUTION HAVING A REDUCING ACTION TO REMOVE THE PEROXIDES THEREFROM, WASHING THE TREATED TERPENE FRACTION WITH AN AQUEOUS SOLUTION OF ALKALI CARBONATES IN AN INERT ATMOSPHERE, FRACTIONATING THE WASHED TERPENE IN AN INERT ATMOSPHERE TO SUBSTANTIALLY REMOVE ANY OXYGEN-CONTAINING HYDROCARBON SUBSTANCES, SUBJECTING THE WASHED FRACTIONATED TERPENE TO CATALYTIC WATER-GAS ADDITION, TREATING THE REACTION PRODUCTS OF THE CATALYTIC WATER-GAS ADDITION WITH AN ACID HAVING A PH OF MORE THAN 2 SELECTED FROM THE GROUP CONSISTING OF CITRIC ACID AND ACETIC ACID TO REMOVE ANY METAL PRESENT, AND RECOVERING TERPENE FORMYLATION PRODUCTS.
Claim 2
Dependent Claim
121 words
METHOD FOR THE PREPARATION OF TERPENE FORMYLATION PRODUCTS BY THE CATALYTIC ADDITION OF WATER GAS TO TERPENE HYDROCARBONS, WHICH COMPRISES TREATING A TERPENE FRACTION OBTAINED FROM NATURAL SUBSTANCES WITH A SALT SOLUTION HAVING A REDUCING ACTION TO REMOVE THE PEROXIDES THEREFROM, WASHING THE TREATED TERPENE FRACTION WITH AN AQUEOUS SOLUTION OF ALKALI CARBONATES IN AN INERT ATMOSPHERE, FRACTIONATING THE WASHED TERPENE IN AN INERT ATMOSPHERE TO SUBSTANTIALLY REMOVE ANY OXYGEN-CONTAINING HYDROCARBON SUBSTANCES, SUBJECTING THE WASHED FRACTIONATED TERPENE TO CATALYTIC WATER-GAS ADDITION, TREATING THE REACTION PRODUCTS OF THE CATALYTIC WATER-GAS ADDITION WITH AN ACID HAVING A PH OF MORE THAN 2 SELECTED FROM THE GROUP CONSISTING OF CITRIC ACID AND ACETIC ACID TO REMOVE ANY METAL PRESENT, AND RECOVERING TERPENE FORMYLATION PRODUCTS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-02-07 | 1958-08-09 | 1959-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-07 | 1962-08-09 | 1963-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-07 | 1966-08-09 | 1967-02-08 | $7700.00 | Window Closed / Lapsed |