Patent US2724689A successfully refreshed from Google Patents.
US2724689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrogenation of unsaturated fatty oils
Assignee: Individual
•
Filing: 1949-12-02
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Granted: 1955-11-22
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Expires: 1969-12-02
Abstract
No abstract record available.
Inventors
- 👤 Russell P Dunmire
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:37
CPC Classifications
C; C11; C11C; C11C3/00; C11C3/12; C11C3/123
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
104 words
TH METHOD OF HYDROGENATING UNSATURATED FATTY OIL, COMPRISING FIRST SATURATING THE OIL WITH DISSOLVED HYDROGEN GAS AND THEREAFTER PASSING THE HYDROGEN-LADEN OIL OVER THE SURFACES OF ELECTRICALLY-CONDUCTIVE HYDROGENATION CATALYST IN THE FORM OF MINUTE METAL FIBERS, AND SIMULTANEOUSLY ACTIVATING AND ACCELERATING MOVEMENT OF ELECTRONS AT THE INTERFACE BETWEEN THE OIL AND CATALYST SURFACES BY INDUCING IN THE SURFACES OF THE CATALYST A HIGH FREQUENCY ELECTRIC ALTERNATING CURRENT IN THE ORDER OF ONE MILLION CYCLES PER SECOND AND UPWARD, THE MAGNITUDE OF INDUCED CURRENT BEING ADJUSTED TO PRODUCE A MEAN TEMPERATURE RISE OF THE OIL IN THE RANGE OF APPROXIMATELY 20 TO 220 DEGREES F.
Claim 2
Dependent Claim
104 words
TH METHOD OF HYDROGENATING UNSATURATED FATTY OIL, COMPRISING FIRST SATURATING THE OIL WITH DISSOLVED HYDROGEN GAS AND THEREAFTER PASSING THE HYDROGEN-LADEN OIL OVER THE SURFACES OF ELECTRICALLY-CONDUCTIVE HYDROGENATION CATALYST IN THE FORM OF MINUTE METAL FIBERS, AND SIMULTANEOUSLY ACTIVATING AND ACCELERATING MOVEMENT OF ELECTRONS AT THE INTERFACE BETWEEN THE OIL AND CATALYST SURFACES BY INDUCING IN THE SURFACES OF THE CATALYST A HIGH FREQUENCY ELECTRIC ALTERNATING CURRENT IN THE ORDER OF ONE MILLION CYCLES PER SECOND AND UPWARD, THE MAGNITUDE OF INDUCED CURRENT BEING ADJUSTED TO PRODUCE A MEAN TEMPERATURE RISE OF THE OIL IN THE RANGE OF APPROXIMATELY 20 TO 220 DEGREES F.
Claim 3
Dependent Claim
122 words
APPARATUS FOR EFFECTING REACTION BETWEEN A LIQUID AND A GAS, COMPRISING MEANS DEFINING AN ENCLOSED RESERVOIR, MEANS FOR CHARGING SAID RESERVOIR WITH A LIQUID REACTANT, MEANS FOR EVACUATING SAID RESERVOIR, MEANS FOR SUPPLYING A GAS REACTANT TO SAID RESERVOIR AT SUPERATMOSPHERIC PRESSURE FOR SOLUTION IN SAID LIQUID, MEANS FOR WITHDRAWING SAID LIQUID AND DISSOLVED GAS FROM SAID RESERVOIR AND CIRCULATING IT ALONG AN ENCLOSED PATH AND BACK INTO SAID RESERVOIR, MEANS DEFINING A REACTION CHAMBER INTERPOSED IN SAID PATH SO THAT THE LIQUID FLOWS THERETHROUGH, A SELF-SUSTAINING FLUID PERVIOUS MASS OF AN ELECTRICALLY CONDUCTIVE CATALYST DISPOSED IN SAID CHAMBER SO THAT THE LIQUID AND DISSOLVED GAS PASS THROUGH SAID MASS, AND MEANS FOR INDUCING A HIGH FREQUENCY ALTERNATING CURRENT IN SAID CATALYST.
Claim 4
Dependent Claim
122 words
APPARATUS FOR EFFECTING REACTION BETWEEN A LIQUID AND A GAS, COMPRISING MEANS DEFINING AN ENCLOSED RESERVOIR, MEANS FOR CHARGING SAID RESERVOIR WITH A LIQUID REACTANT, MEANS FOR EVACUATING SAID RESERVOIR, MEANS FOR SUPPLYING A GAS REACTANT TO SAID RESERVOIR AT SUPERATMOSPHERIC PRESSURE FOR SOLUTION IN SAID LIQUID, MEANS FOR WITHDRAWING SAID LIQUID AND DISSOLVED GAS FROM SAID RESERVOIR AND CIRCULATING IT ALONG AN ENCLOSED PATH AND BACK INTO SAID RESERVOIR, MEANS DEFINING A REACTION CHAMBER INTERPOSED IN SAID PATH SO THAT THE LIQUID FLOWS THERETHROUGH, A SELF-SUSTAINING FLUID PERVIOUS MASS OF AN ELECTRICALLY CONDUCTIVE CATALYST DISPOSED IN SAID CHAMBER SO THAT THE LIQUID AND DISSOLVED GAS PASS THROUGH SAID MASS, AND MEANS FOR INDUCING A HIGH FREQUENCY ALTERNATING CURRENT IN SAID CATALYST.
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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) | 1958-11-21 | 1959-05-23 | 1959-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-21 | 1963-05-23 | 1963-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-21 | 1967-05-23 | 1967-11-22 | $7700.00 | Window Closed / Lapsed |