US2822331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anhydrous calcium 12-hydroxy stearate grease
Assignee: Texaco Inc
•
Filing: 1954-02-03
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Granted: 1958-02-04
•
Expires: 1974-02-03
Abstract
No abstract record available.
Inventors
- 👤 John P Dilworth
- 👤 Oney P Puryear
- 👤 Evelyn L Ashburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:31
CPC Classifications
C; C10; C10M; C10M5/00; C10M2201/00; C10M2201/06; C10M2201/063; C10M2203/00; C10M2203/10; C10M2203/102; C10M2203/104; C10M2203/106; C10M2203/108; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/28; C10M2207/282; C10M2207/287; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/102; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2040/00; C10N2040/02; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A PROCESS OF MANUFACTURING SMOOTH, BUTTERY, LUMPFREE, GRAIN-FREE ANHYDROUS CALCIUM HYDROXY FATTY ACID GREASES WHICH COMPRISES MIXING AT ROOM TEMPERATURE BELOW 100*F. A MINOR PORTION OF THE LIQUID OLEAGINOUS LUBRICATING BASE EMPLOYED IN THE GREASE COMPOSITION, A SMALL AMOUNT OF WATER, HYDROXY FATTY ACID CONTAINING 12 TO 24 CARBON ATOMS AND A MINOR PORTION OF AN ESTOLIDE, SAID MINOR PORTION CONSTITUTING AT LEAST 3 WEIGHT PERCENT OF SAID HYDROXY FATTY ACID AND CALCIUM HYDROXIDE, SAID MIXING BEING CONTINUED FOR A PERIOD OF TIME SUCH THAT A THICK EMULSIFIED MIXTURE IS FORMED BEFORE HEATING SAID MIXTRE, SAPONIFYING SAID MIXTURE, DEHYDRATING THE SAPONIFIED MASS WITH STIRRING AT A TEMPERATURE BELOW ABOUT 285*F., AND ADDING THE REMAINDER OF SAID LIQUID OLEAGINOUS LUBRICATING BASE DURING STIRRED COOLING OF THE GREASE MIXTURE.
Claim 2
Dependent Claim
127 words
A PROCESS OF MANUFACTURING SMOOTH, BUTTERY, LUMPFREE, GRAIN-FREE ANHYDROUS CALCIUM HYDROXY FATTY ACID GREASES WHICH COMPRISES MIXING AT ROOM TEMPERATURE BELOW 100*F. A MINOR PORTION OF THE LIQUID OLEAGINOUS LUBRICATING BASE EMPLOYED IN THE GREASE COMPOSITION, A SMALL AMOUNT OF WATER, HYDROXY FATTY ACID CONTAINING 12 TO 24 CARBON ATOMS AND A MINOR PORTION OF AN ESTOLIDE, SAID MINOR PORTION CONSTITUTING AT LEAST 3 WEIGHT PERCENT OF SAID HYDROXY FATTY ACID AND CALCIUM HYDROXIDE, SAID MIXING BEING CONTINUED FOR A PERIOD OF TIME SUCH THAT A THICK EMULSIFIED MIXTURE IS FORMED BEFORE HEATING SAID MIXTRE, SAPONIFYING SAID MIXTURE, DEHYDRATING THE SAPONIFIED MASS WITH STIRRING AT A TEMPERATURE BELOW ABOUT 285*F., AND ADDING THE REMAINDER OF SAID LIQUID OLEAGINOUS LUBRICATING BASE DURING STIRRED COOLING OF THE GREASE MIXTURE.
References Cited (Backward Citations)
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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) | 1961-02-03 | 1961-08-05 | 1962-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-03 | 1965-08-05 | 1966-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-03 | 1969-08-05 | 1970-02-04 | $7700.00 | Window Closed / Lapsed |