US2830022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of grease manufacture with recycle cooling
Assignee: Texaco Inc
•
Filing: 1953-06-30
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Granted: 1958-04-08
•
Expires: 1973-06-30
Abstract
No abstract record available.
Inventors
- 👤 Roy F Nelson
- 👤 Richard C Givens
- 👤 Herbert J Pitman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:23
CPC Classifications
C; C10; C10M; C10M5/00; C10M2203/00; C10M2203/10; C10M2203/102; C10M2203/104; C10M2203/106; C10M2203/108; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/28; C10M2207/282; C10M2207/34; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/067; C10N; C10N2010/00; C10N2010/02; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
THE METHOD OF GREASE MANUFACTURE WHICH COMPRISES PROVIDING A MOLTEN HOMOGENEOUS MIXTURE OF A LITHINM HYDROXY FATTY ACID SOAP AND ANOLEAGINOUS LIQUID ING GREASE FORMING PROPORTIONS AT AN ELEVATED TEMPERATURE ABOVE THE MELTING POINT OF THE SOAP, AND CONTROLLING THE CRYSTALLIZATION OF THE SAID SOAP DURING COOLING BY MAINTAINING A BODY OF RELATIVELY LARGE VOLUME OF THE SAID MIXOF UNTIL A GREASE CONSISTENCY IS OBTAINED BY CONTINUOUSLY WITHDRAWING A STREAM OF RELATIVELY SMALL VOLUME FROM SAID BODY OF MIXTURE, PASSING THE SAID STREAM THROUGH AN EXTERNAL COOLER WHERE IT IS COOLED TO A TEMPERATURE BELOW THE GELATION TEMPERATURE OF THE SAID MIXTURE AND RETURNING THE SAID COOLED STREAM TO THE MAINTAINED BODY OF MIXTURE.
Claim 2
Independent Claim
114 words
THE METHOD OF GREASE MANUFACTURE WHICH COMPRISES PROVIDING A MOLTEN HOMOGENEOUS MIXTURE OF A LITHINM HYDROXY FATTY ACID SOAP AND ANOLEAGINOUS LIQUID ING GREASE FORMING PROPORTIONS AT AN ELEVATED TEMPERATURE ABOVE THE MELTING POINT OF THE SOAP, AND CONTROLLING THE CRYSTALLIZATION OF THE SAID SOAP DURING COOLING BY MAINTAINING A BODY OF RELATIVELY LARGE VOLUME OF THE SAID MIXOF UNTIL A GREASE CONSISTENCY IS OBTAINED BY CONTINUOUSLY WITHDRAWING A STREAM OF RELATIVELY SMALL VOLUME FROM SAID BODY OF MIXTURE, PASSING THE SAID STREAM THROUGH AN EXTERNAL COOLER WHERE IT IS COOLED TO A TEMPERATURE BELOW THE GELATION TEMPERATURE OF THE SAID MIXTURE AND RETURNING THE SAID COOLED STREAM TO THE MAINTAINED BODY OF MIXTURE.
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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) | 1961-04-07 | 1961-10-07 | 1962-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-07 | 1965-10-07 | 1966-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-07 | 1969-10-07 | 1970-04-08 | $7700.00 | Window Closed / Lapsed |