Patent US2506906A successfully refreshed from Google Patents.
US2506906A
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Stabilized lubricating grease compositions
Assignee: Gulf Oil Corp
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Filing: 1949-05-19
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Granted: 1950-05-09
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Expires: 1969-05-19
Abstract
No abstract record available.
Inventors
- 👤 Herschel G Smith
- 👤 Troy L Cantrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:40
CPC Classifications
C; C10; C10M; C10M5/00; C10M2201/00; C10M2201/02; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/16; C10M2209/00; C10M2209/10; C10M2209/101; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A GREASE COMPOSITION COMPRISING A MINERAL LUBRICATING OIL THICKENED TO A GREASE BY A SOAP, AND A SMALL AMOUNT OF A SUBSTANTIALLY NEUTRAL CONDENSATION PRODUCT OF FORMALDEHYDE AND A HIGHER FATTY MONO-CARBOXYLIC ACID ESTER OF A MONO-ALKYLATED PHENOL, THE HIGHER FATTY ACID BEING SELECTED FROM THE CLASS CONSISTING OF SATURATED AND MONO-OLEFINIC ACIDS HAVING AT LEAST 8 CARBON ATOMS AND THE ALKYL SUBSTITUENT OF THE ALKYLATED PHENOL HAVING FROM 4 TO 12 CARBON ATOMS, SAID CONDENSATION PRODUCT BEING PRESENT IN AN AMOUNT SUFFICIENT TO RETARD OXIDATION OF THE GREASE.
Claim 2
Dependent Claim
89 words
A GREASE COMPOSITION COMPRISING A MINERAL LUBRICATING OIL THICKENED TO A GREASE BY A SOAP, AND A SMALL AMOUNT OF A SUBSTANTIALLY NEUTRAL CONDENSATION PRODUCT OF FORMALDEHYDE AND A HIGHER FATTY MONO-CARBOXYLIC ACID ESTER OF A MONO-ALKYLATED PHENOL, THE HIGHER FATTY ACID BEING SELECTED FROM THE CLASS CONSISTING OF SATURATED AND MONO-OLEFINIC ACIDS HAVING AT LEAST 8 CARBON ATOMS AND THE ALKYL SUBSTITUENT OF THE ALKYLATED PHENOL HAVING FROM 4 TO 12 CARBON ATOMS, SAID CONDENSATION PRODUCT BEING PRESENT IN AN AMOUNT SUFFICIENT TO RETARD OXIDATION OF THE GREASE.
References Cited (Backward Citations)
US2487378A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-08 | 1953-11-07 | 1954-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-08 | 1957-11-07 | 1958-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-08 | 1961-11-07 | 1962-05-09 | $7700.00 | Window Closed / Lapsed |