US3009877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized lubricant composition
Assignee: General Electric Co
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Filing: 1959-12-17
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Granted: 1961-11-21
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Expires: 1979-12-17
Abstract
No abstract record available.
Inventors
- 👤 John M Nielsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:40
CPC Classifications
C; C10; C10M; C10M3/00; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/098; C10M2203/00; C10M2203/02; C10M2203/022; C10M2203/024; C10M2203/04; C10M2203/10; C10M2203/102; C10M2203/104; C10M2203/106; C10M2203/108; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/125; C10M2207/129; C10M2207/14; C10M2207/142; C10M2229/00; C10M2229/04; C10M2229/05; C10M2229/051; C10N; C10N2010/00; C10N2010/14; C10N2010/16; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/08; C10N2040/12; C10N2040/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
A STABLIZED LOWER ALKYLCHLOROPHENYL POLYSILOXANE FLUID CONTAINING FROM 0.05 TO 10 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF SAID ALKYLCHOLOROPHENYL POLYSILOXANE FLUID OF AN IRON SALT STABILIZER AND FROM 0.01 TO 1 PERCENT BY WEIGHT BASED ON THE WEIGHT OF SAID ALKYLCHLOROPHENYL POLYSILOXANE FLUID OF A HYDROCARBON STABILIZER SELECTED FROM THE CLASS CONSISTING OF MINERAL SPIRITS HAVING A BOILING POINT OF AT LEAST 200*C. AND A FUSED RING POLYCYCLIC AROMATIC HYDROCARBON OF AT LEAST THREE RINGS, HAVING A MELTING POINT NO HIGHER THAN ABOUT 200*C. AND A BOILING POINT OF AT LEAST ABOUT 200*C. AND A ROOM TEMPERATURE SOLUBILITY GREATER THAN 0.05 PERCENT BY WEIGHT IN THE ALKYLCHLOROPHENYL POLYSILOXANE FLUID, SAID ION SALT STABILIZER BEING PREPARED BY ADDING AN IRO SALT OF AN ORGANIC CARBOXYLIC ACID TO A LOWER ALKYLCHLOROPHENYL POLYSILOXANE FLUID TO FORM A MIXTURE, BUBBLING AIR THROUGH SAID MIXTURE WHILE HEATING SAID MIXTURE AT AN ELEVATED TEMPERATURE, AND THEREAFTER FILTERING THE PRECIPITATE WHICH IS FORMED DURING THE BUBBLING OPERATION TO PROVIDE AS A FILTRATE THE ION SALT STABILIZER, SAID ALKYLCHLOROPHENYL POLYSILOXANE FLUIDS HAVING THE FORMULA
Claim 2
Dependent Claim
179 words
A STABLIZED LOWER ALKYLCHLOROPHENYL POLYSILOXANE FLUID CONTAINING FROM 0.05 TO 10 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF SAID ALKYLCHOLOROPHENYL POLYSILOXANE FLUID OF AN IRON SALT STABILIZER AND FROM 0.01 TO 1 PERCENT BY WEIGHT BASED ON THE WEIGHT OF SAID ALKYLCHLOROPHENYL POLYSILOXANE FLUID OF A HYDROCARBON STABILIZER SELECTED FROM THE CLASS CONSISTING OF MINERAL SPIRITS HAVING A BOILING POINT OF AT LEAST 200*C. AND A FUSED RING POLYCYCLIC AROMATIC HYDROCARBON OF AT LEAST THREE RINGS, HAVING A MELTING POINT NO HIGHER THAN ABOUT 200*C. AND A BOILING POINT OF AT LEAST ABOUT 200*C. AND A ROOM TEMPERATURE SOLUBILITY GREATER THAN 0.05 PERCENT BY WEIGHT IN THE ALKYLCHLOROPHENYL POLYSILOXANE FLUID, SAID ION SALT STABILIZER BEING PREPARED BY ADDING AN IRO SALT OF AN ORGANIC CARBOXYLIC ACID TO A LOWER ALKYLCHLOROPHENYL POLYSILOXANE FLUID TO FORM A MIXTURE, BUBBLING AIR THROUGH SAID MIXTURE WHILE HEATING SAID MIXTURE AT AN ELEVATED TEMPERATURE, AND THEREAFTER FILTERING THE PRECIPITATE WHICH IS FORMED DURING THE BUBBLING OPERATION TO PROVIDE AS A FILTRATE THE ION SALT STABILIZER, SAID ALKYLCHLOROPHENYL POLYSILOXANE FLUIDS HAVING THE FORMULA
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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) | 1964-11-20 | 1965-05-22 | 1965-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-20 | 1969-05-22 | 1969-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-20 | 1973-05-22 | 1973-11-21 | $7700.00 | Window Closed / Lapsed |