US3422014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthetic lubricant composition of improved oxidation stability
Assignee: BP PLC
•
Filing: 1966-01-17
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Granted: 1969-01-14
•
Expires: 1986-01-17
Abstract
No abstract record available.
Inventors
- 👤 Alan D Forbes
- 👤 Patrick Gould
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 05:53
CPC Classifications
C; C10; C10M; C10M3/00; C10M2207/00; C10M2207/08; C10M2207/09; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/287; C10M2207/289; C10M2207/30; C10M2207/302; C10M2207/34; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/22; C10M2215/221; C10M2215/222; C10M2215/225; C10M2215/226; C10M2215/227; C10M2215/24; C10M2215/30; C10M2227/00; C10M2227/06; C10M2227/09; C10N; C10N2010/00; C10N2010/02; C10N2010/06; C10N2010/12; C10N2010/14; C10N2010/16; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/12; C10N2040/13; C10N2040/135; C10N2050/00; C10N2050/015; C10N2050/02; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A LUBRICATING COMPOSITION CONSISTING ESSENTIALLY OF A BLEND OF (A) A LIQUID ALIPHATIC ESTER CONSISTING OF AT LEAST ONE NEUTRAL POLYESTER HAVING AT LEAST TWO ESTER LINKAGES PER MOLECULE PREPARED BY REACTING TOGETHER UNDER ESTERIFICATION CONDITIONS IN AT LEAST ONE STAGE; (1) AN ALCOHOL SELECTED FROM THE GROUP CONSISTING OF A ONOHYDRIC AND POLYHYDRIC ALCOHOL HAVING FROM ABOUT 5 TO ABOUT 15 CARBON ATOMS PER MOLECULE AND HAVING NO HYDROGEN ATOM ATTACHED TO ANY CARBON ATOM IN A BETA POSITION WITH RESPECT TO ANY --OH GROUP, AND (2) A CARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF MONOCARBOXYLIC ACIDS AND POLYCARBOXYLIC ACIDS HAVING FROM ABOUT 2 TO ABOUT 14 CARBON ATOMS PER MOLECULE, AND (B) AT LEAST ONE ORGANO-METALLIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF (1) SALTS OF CARBOXYLIC ACIDS CONTAINING FROM 8 TO 22 CARBON ATOMS, (2) COMPLEXES OF BETA DI-KETONES HAVING THE FORMULA
Claim 2
Dependent Claim
146 words
A LUBRICATING COMPOSITION CONSISTING ESSENTIALLY OF A BLEND OF (A) A LIQUID ALIPHATIC ESTER CONSISTING OF AT LEAST ONE NEUTRAL POLYESTER HAVING AT LEAST TWO ESTER LINKAGES PER MOLECULE PREPARED BY REACTING TOGETHER UNDER ESTERIFICATION CONDITIONS IN AT LEAST ONE STAGE; (1) AN ALCOHOL SELECTED FROM THE GROUP CONSISTING OF A ONOHYDRIC AND POLYHYDRIC ALCOHOL HAVING FROM ABOUT 5 TO ABOUT 15 CARBON ATOMS PER MOLECULE AND HAVING NO HYDROGEN ATOM ATTACHED TO ANY CARBON ATOM IN A BETA POSITION WITH RESPECT TO ANY --OH GROUP, AND (2) A CARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF MONOCARBOXYLIC ACIDS AND POLYCARBOXYLIC ACIDS HAVING FROM ABOUT 2 TO ABOUT 14 CARBON ATOMS PER MOLECULE, AND (B) AT LEAST ONE ORGANO-METALLIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF (1) SALTS OF CARBOXYLIC ACIDS CONTAINING FROM 8 TO 22 CARBON ATOMS, (2) COMPLEXES OF BETA DI-KETONES 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) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |