Patent US3205278A successfully refreshed from Google Patents.
US3205278A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of complex organic metallic hydrogenation catalysts and their use
Assignee: California Research LLC
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Filing: 1963-03-14
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Granted: 1965-09-07
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Expires: 1983-03-14
Abstract
No abstract record available.
Inventors
- 👤 Seymour J Lapporte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:43
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/02; B01J31/04; B01J31/12; B01J31/14; B01J31/143; B01J31/146; B01J2231/00; B01J2231/60; B01J2231/64; B01J2231/641; B01J2231/643; B01J2231/645; B01J2231/646
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
METHOD FOR THE PREPARATION OF A COMPLEX HYDROGENATION CATALYST WHICH COMPRISES REACTING IN THE PRESENCE OF AN INERT LIQUID HYDROCARBON DILUENT AT A TEMPERATURE IN THE RANGE FROM ABOUT -50* TO 200*C. UNDER AUTOGENOUS PRESSURE (A) ONE FORMULA WEIGHT OF A METAL SALT OF AN ACIDIC ORGANIC COMPOUND, SAID METAL HAVING AN ATOMIC NUMBER GREATER THAN 20 AND LESS THAN 30, AND SAID ORGANIC ACID HAVING A PKA IN THE RANGE FROM ABOUT 1-20, FROM 1-25 CARBON ATOMS, FROM 1-2 ACIDIC HYDROGEN ATOMS, AND ONLY CARBON, HYDROGEN, AND OXYGEN; AND (B) FROM 1-6 MOLES OF A MENDELYEEV PERIODIC TABLE GROUP III ORGANOMETALLIC COMPOUND, MR3 IN WHICH M IS A GROUP III ELEMENT AND R IS SELECTED FROM THE RADICAL GROUPS CONSISTING OF HYDROCARBYL AND HYDROGEN, SAID HYDROCARBYL RADICALS HAVING FROM 1-20 CARBON ATOMS PER GROUP, AND WHEREIN AT LEAST ONE RADICAL GROUP OF SAID COMPOUND IS HYDROCARBYL.
Claim 2
Dependent Claim
147 words
METHOD FOR THE PREPARATION OF A COMPLEX HYDROGENATION CATALYST WHICH COMPRISES REACTING IN THE PRESENCE OF AN INERT LIQUID HYDROCARBON DILUENT AT A TEMPERATURE IN THE RANGE FROM ABOUT -50* TO 200*C. UNDER AUTOGENOUS PRESSURE (A) ONE FORMULA WEIGHT OF A METAL SALT OF AN ACIDIC ORGANIC COMPOUND, SAID METAL HAVING AN ATOMIC NUMBER GREATER THAN 20 AND LESS THAN 30, AND SAID ORGANIC ACID HAVING A PKA IN THE RANGE FROM ABOUT 1-20, FROM 1-25 CARBON ATOMS, FROM 1-2 ACIDIC HYDROGEN ATOMS, AND ONLY CARBON, HYDROGEN, AND OXYGEN; AND (B) FROM 1-6 MOLES OF A MENDELYEEV PERIODIC TABLE GROUP III ORGANOMETALLIC COMPOUND, MR3 IN WHICH M IS A GROUP III ELEMENT AND R IS SELECTED FROM THE RADICAL GROUPS CONSISTING OF HYDROCARBYL AND HYDROGEN, SAID HYDROCARBYL RADICALS HAVING FROM 1-20 CARBON ATOMS PER GROUP, AND WHEREIN AT LEAST ONE RADICAL GROUP OF SAID COMPOUND IS HYDROCARBYL.
References Cited (Backward Citations)
US2999075A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |