US2585723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of aliphatic acids
Assignee: Standard Oil Development Co
•
Filing: 1950-07-13
•
Granted: 1952-02-12
•
Expires: 1970-07-13
Abstract
No abstract record available.
Inventors
- 👤 Fred W Banes
- 👤 Gerald William P Fitz
- 👤 Joseph F Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:54
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/347; C07C51/353
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A PROCESS FOR PREPARING A MIXTURE OF EVEN NUMBERED SATURATED ALIPHATIC CARBOXYLIC ACIDS CONTAINING 4 TO 10 CARBON ATOMS PER MOLECULE WHICH COMPRISES REACTING ACETIC ACID WITH ETHYLENE IN THE PRESENCE OF DI-TERTIARY BUTYL PEROXIDE AT A TEMPERATURE OF 145* C. TO 170* C. AND AT A PRESSURE OF 800 TO 1000 P.S.I FOR A PERIOD OF ONE TO FOUR HOURS AND RECOVERING EVEN NUMBERED SATURATED CARBOXYLIC ACIDS CONTAINING 4 TO 10 CARBON ATOMS PER MOLECULE FROM THE REACTION.
Claim 2
Dependent Claim
79 words
A PROCESS FOR PREPARING A MIXTURE OF EVEN NUMBERED SATURATED ALIPHATIC CARBOXYLIC ACIDS CONTAINING 4 TO 10 CARBON ATOMS PER MOLECULE WHICH COMPRISES REACTING ACETIC ACID WITH ETHYLENE IN THE PRESENCE OF DI-TERTIARY BUTYL PEROXIDE AT A TEMPERATURE OF 145* C. TO 170* C. AND AT A PRESSURE OF 800 TO 1000 P.S.I FOR A PERIOD OF ONE TO FOUR HOURS AND RECOVERING EVEN NUMBERED SATURATED CARBOXYLIC ACIDS CONTAINING 4 TO 10 CARBON ATOMS PER MOLECULE FROM THE REACTION.
References Cited (Backward Citations)
US2402137A
Cited
US2433015A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-11 | 1955-08-13 | 1956-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-11 | 1959-08-13 | 1960-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-11 | 1963-08-13 | 1964-02-12 | $7700.00 | Window Closed / Lapsed |