Patent US2516137A successfully refreshed from Google Patents.
US2516137A
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High-temperature lubricating greases
Assignee: Standard Oil Development Co
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Filing: 1948-11-17
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Granted: 1950-07-25
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Expires: 1968-11-17
Abstract
No abstract record available.
Inventors
- 👤 Arnold J Morway
- 👤 John J Kolfenbach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:09
CPC Classifications
C; C10; C10M; C10M5/00; C10M2203/00; C10M2203/10; C10M2203/104; C10M2203/106; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/023; C10M2207/027; C10M2207/04; C10M2207/044; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/124; C10M2207/125; C10M2207/129; C10M2207/14; C10M2207/141; C10M2207/144; C10M2207/146; C10M2207/18; C10M2207/20; C10M2207/24; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/287; C10M2207/34; C10M2207/40; C10M2207/402; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/04; C10M2209/06; C10M2209/062; C10M2209/10; C10M2209/103; C10M2209/104; C10M2211/00; C10M2211/02; C10M2211/04; C10M2211/044; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/06; C10M2219/062; C10M2219/08; C10M2219/082; C10M2219/085; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/02; C10N2040/12; C10N2040/13; C10N2050/00; C10N2050/10; C10N2070/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
THE PROCESS OF PREPARING A LUBRICATING GREASE COMPOSITION FOR HIGH TEMPERATURE USE WHICH COMPRISES COMBINING A CYCLIC ALDEHYDE CAPABLE OF UNDERGOING THE CANNIZZARO REACTION WITH AN ALKALI TO CONVERT PART OF SAID AIDEHYDE TO A CYCLIC CARBOXYLIC ACID SALT AND PART TO THE CORRESPONDING ALCOHOL, ADDING A SAPONIFIABLE FATTY MATERIAL AND A FURTHER QUANTITY OF ALKALI TO FORM A SOAP AND ADDING LUBRICATING OIL, SAID SALT AND SOAP BEING COMBINED IN PROPORTIONS OF 1 TO 4 MOLAR PARTS OF SAID SALT WITH 1 TO 4 MOLAR PARTS OF SAID SOAP, SAID COMBINED SALT AND SOAP SERVING TO THICKEN SAID LUBRICATING OIL TO A GREASE CONSISTENCY.
Claim 2
Dependent Claim
105 words
THE PROCESS OF PREPARING A LUBRICATING GREASE COMPOSITION FOR HIGH TEMPERATURE USE WHICH COMPRISES COMBINING A CYCLIC ALDEHYDE CAPABLE OF UNDERGOING THE CANNIZZARO REACTION WITH AN ALKALI TO CONVERT PART OF SAID AIDEHYDE TO A CYCLIC CARBOXYLIC ACID SALT AND PART TO THE CORRESPONDING ALCOHOL, ADDING A SAPONIFIABLE FATTY MATERIAL AND A FURTHER QUANTITY OF ALKALI TO FORM A SOAP AND ADDING LUBRICATING OIL, SAID SALT AND SOAP BEING COMBINED IN PROPORTIONS OF 1 TO 4 MOLAR PARTS OF SAID SALT WITH 1 TO 4 MOLAR PARTS OF SAID SOAP, SAID COMBINED SALT AND SOAP SERVING TO THICKEN SAID LUBRICATING OIL TO A GREASE CONSISTENCY.
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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) | 1953-07-24 | 1954-01-23 | 1954-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-24 | 1958-01-23 | 1958-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-24 | 1962-01-23 | 1962-07-25 | $7700.00 | Window Closed / Lapsed |