US2921904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grease composition containing metal salt of reaction product of alkylphenol, fatty acid and aldehyde
Assignee: California Research LLC
•
Filing: 1957-07-17
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Granted: 1960-01-19
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Expires: 1977-07-17
Abstract
No abstract record available.
Inventors
- 👤 Bruce W Hotten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:52
CPC Classifications
C; C10; C10M; C10M5/00; C10M2203/00; C10M2203/06; C10M2205/00; C10M2205/02; C10M2205/024; C10M2205/026; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/10; C10M2209/101; C10M2209/103; C10M2209/104; C10M2209/105; C10M2209/108; C10M2209/109; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2227/00; C10M2227/02; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/043; C10M2229/044; C10M2229/05; C10N; C10N2040/00; C10N2040/02; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A GREASE COMPOSITION COMPRISING A MAJOR PROPORTION OF AN OIL OF LUBRICATING VISCOSITY AND, IN AN AMOUNT SUFFICIENT TO THICKEN SAID OIL TO THE CONSISTENCY OF A GREASE, A METAL SALT OF A PRODUCT OBTAINTED BY REACTING, FOR A PERIOD OF 1-4 HOURS, AT TEMPERATURES BY REACTING, 120*F. TO 500*F. AN ALKYLPHENOL CONTAINING FROM 1 TO 36 CARBON ATOMS IN THE ALKYL RADICAL AND, FOR EACH MOL OF SAID ALKYLPHENOL, FROM 0.5 TO 1.0 MOL OF A FATTY ACID CONTAINING FROM 2 TO 22 CARBON ATOMS, AND FROM 1 TO 3 MOLS OF AN ALEHYDE SELECTED FROM THE GROUP CONSISTING OF FORMULEHYDE AND FORMALDEHYDE PRODUCING COMPOUNDS.
Claim 2
Dependent Claim
106 words
A GREASE COMPOSITION COMPRISING A MAJOR PROPORTION OF AN OIL OF LUBRICATING VISCOSITY AND, IN AN AMOUNT SUFFICIENT TO THICKEN SAID OIL TO THE CONSISTENCY OF A GREASE, A METAL SALT OF A PRODUCT OBTAINTED BY REACTING, FOR A PERIOD OF 1-4 HOURS, AT TEMPERATURES BY REACTING, 120*F. TO 500*F. AN ALKYLPHENOL CONTAINING FROM 1 TO 36 CARBON ATOMS IN THE ALKYL RADICAL AND, FOR EACH MOL OF SAID ALKYLPHENOL, FROM 0.5 TO 1.0 MOL OF A FATTY ACID CONTAINING FROM 2 TO 22 CARBON ATOMS, AND FROM 1 TO 3 MOLS OF AN ALEHYDE SELECTED FROM THE GROUP CONSISTING OF FORMULEHYDE AND FORMALDEHYDE PRODUCING COMPOUNDS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-18 | 1963-07-20 | 1964-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-18 | 1967-07-20 | 1968-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-18 | 1971-07-20 | 1972-01-19 | $7700.00 | Window Closed / Lapsed |