US4025583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amine adducts of ethyl oleyl acid orthophosphate
Assignee: Texaco Inc
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Filing: 1976-01-12
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Granted: 1977-05-24
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Expires: 1996-01-12
Abstract
Abstract Disclosed are lubricant compositions containing adducts of an amine with a phosphate ester of the formula: ##STR1## wherein R is hydrogen or alkyl having up to 25 carbon atoms in the chain, R' is hydrogen or alkyl having up to 7 carbon atoms except only one of R and R' can be hydrogen or octyl.
Inventors
- 👤 Theodore C. Mead
- 👤 Richard T. McDill
- 👤 Ralph P. Chesluk
- 👤 Norman R. Odell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:41
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C10; C10M; C10M1/00; C10M1/08; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/043; C10N; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
35 words
A composition of matter comprising ethyl oleyl acid orthophosphate and the adduct of an amine of the formula: ##STR4## wherein the substituents are either hydrogen, alkyl or aryl groups having up to 30 carbon atoms.
Claim 2
Dependent Claim
35 words
A composition of matter comprising ethyl oleyl acid orthophosphate and the adduct of an amine of the formula: ##STR4## wherein the substituents are either hydrogen, alkyl or aryl groups having up to 30 carbon atoms.
Claim 3
Dependent Claim
15 words
A composition of matter comprising the adduct of an amine and ethyl oleyl acid orthophosphate.
Claim 4
Dependent Claim
15 words
A composition of matter comprising the adduct of an amine and ethyl oleyl acid orthophosphate.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-05-23 | 1980-11-22 | 1981-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-05-23 | 1984-11-22 | 1985-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-05-23 | 1988-11-22 | 1989-05-24 | $7700.00 | Window Closed / Lapsed |