US2947699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-inflammable hydraulic fluid
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1955-09-14
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Granted: 1960-08-02
•
Expires: 1975-09-14
Abstract
No abstract record available.
Inventors
- 👤 Jones I Wasson
- 👤 Arnold J Morway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:36
CPC Classifications
C; C10; C10M; C10M173/00; C10M173/02; C10M2201/00; C10M2201/02; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/125; C10M2207/129; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/107; C10M2209/108; C10N; C10N2010/00; C10N2010/02; C10N2020/00; C10N2020/01; C10N2040/00; C10N2040/08; C10N2050/00; C10N2050/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A COMPOSITION CONSISTING ESSENTIALLY OF ABOUT 40 TO 65% BY WEIGHT OF WATER, ABOUT 9 TO 34% BY WEIGHT OF ETHYLENE GLYCOL, ABOUT 20 TO 30% BY WEIGHT OF A POLYALKYLENE GLYCOL HAVING A VISCOSITY OF 100*F. OF BETWEEN 400 AND 200,000 S.U.S AND 0.5 TO 2.0% BY WEIGHT OF AN ALKALI METAL SOAP OF A BRANCHED CHAIN ACID CONTAINING FROM 9 TO 13 CARBON ATOMS, SAID ACID BEING PREPARED BY THE CARBONYLATION OF AN OLEFINIC HYDROCARBON HAVING FROM 8 TO 12 CARBON ATOMS WITH CARBON MONOXIDE AND HYDROGEN IN THE PRESENCE OF A COBALT CARBONYLATION CATALYST AT A TEMPERATURE OF ABOUT 200 TO ABOUT 400*F. AND AT A PRESSURE OF ABOUT 100 TO ABOUT 300 ATMOSPHERES AND THE SUBSEQUENT OXIDATION OF THE CARBONYLATED OLEFINS THUS OBTAINED.
Claim 2
Dependent Claim
127 words
A COMPOSITION CONSISTING ESSENTIALLY OF ABOUT 40 TO 65% BY WEIGHT OF WATER, ABOUT 9 TO 34% BY WEIGHT OF ETHYLENE GLYCOL, ABOUT 20 TO 30% BY WEIGHT OF A POLYALKYLENE GLYCOL HAVING A VISCOSITY OF 100*F. OF BETWEEN 400 AND 200,000 S.U.S AND 0.5 TO 2.0% BY WEIGHT OF AN ALKALI METAL SOAP OF A BRANCHED CHAIN ACID CONTAINING FROM 9 TO 13 CARBON ATOMS, SAID ACID BEING PREPARED BY THE CARBONYLATION OF AN OLEFINIC HYDROCARBON HAVING FROM 8 TO 12 CARBON ATOMS WITH CARBON MONOXIDE AND HYDROGEN IN THE PRESENCE OF A COBALT CARBONYLATION CATALYST AT A TEMPERATURE OF ABOUT 200 TO ABOUT 400*F. AND AT A PRESSURE OF ABOUT 100 TO ABOUT 300 ATMOSPHERES AND THE SUBSEQUENT OXIDATION OF THE CARBONYLATED OLEFINS THUS OBTAINED.
References Cited (Backward Citations)
US1928956A
Cited
US2602780A
Cited
US2553364A
Cited
US2558030A
Cited
US2737497A
Cited
US2768141A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |