US4599191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction reducing additives and compositions thereof
Assignee: Mobil Oil AS
•
Filing: 1984-05-01
•
Granted: 1986-07-08
•
Expires: 2004-05-01
Abstract
Abstract Amine, diamine and triamine salts of diol-derived acid phosphates impart excellent friction reducing and antiwear characteristics to lubricant compositions into which they have been incorporated.
Inventors
- 👤 Andrew G. Horodysky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:53
CPC Classifications
C; C10; C10M; C10M137/00; C10M137/02; C10M137/04; C10M137/08; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/091; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/043; C10N; C10N2040/00; C10N2040/25; C10N2040/251; C10N2040/255; C10N2040/28
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
109 words
A lubricant composition comprising a major proportion of an oil of lubricating viscosity or grease prepared therefrom and a minor effective proportion of a friction reducing additive consisting of monoamine, diamine or triamine salts or mixtures thereof of diol-derived acid phosphates wherein said diol is a long chain vicinal diol having the following general structure: ##STR3## where R 1 =C 8 -C 30 hydrocarbyl and R 2 =hydrogen or C 1 -C 6 hydrocarbyl and wherein said amines have the following general structure; R.sup.3 (NHR.sup.4).sub.x NH.sub.2 where R 3 =C 8 -C 10 hydrocarbyl or hydrocarbyloxy hydrocarbylene, R 4 =C 2 -C 4 hydrocarbylene and x=0, 1, or 2.
Claim 2
Dependent Claim
109 words
A lubricant composition comprising a major proportion of an oil of lubricating viscosity or grease prepared therefrom and a minor effective proportion of a friction reducing additive consisting of monoamine, diamine or triamine salts or mixtures thereof of diol-derived acid phosphates wherein said diol is a long chain vicinal diol having the following general structure: ##STR3## where R 1 =C 8 -C 30 hydrocarbyl and R 2 =hydrogen or C 1 -C 6 hydrocarbyl and wherein said amines have the following general structure; R.sup.3 (NHR.sup.4).sub.x NH.sub.2 where R 3 =C 8 -C 10 hydrocarbyl or hydrocarbyloxy hydrocarbylene, R 4 =C 2 -C 4 hydrocarbylene and x=0, 1, or 2.
Claim 3
Dependent Claim
33 words
The composition of claim 1 wherein the diol-derived acid phosphate is converted to at least a partial acid phosphate by reaction with from about 5 to about 100% molar quantities of phosphorus pentoxide.
Claim 4
Dependent Claim
33 words
The composition of claim 1 wherein said additive is a tertiary-alkyl amine salt of a partial acid phosphate of 1,2-mixed-pentadecanediol-octadecanediol where the alkyl moiety has from about 11 to about 14 carbon atoms.
Claim 5
Dependent Claim
19 words
The composition of claim 1 wherein said additive is the N-oleyl-1,3-propylene diamine salt of partial acid phosphate of 1,2-mixed-pentadecanediol-octadecanediol.
Claim 6
Dependent Claim
18 words
The composition of claim 1 wherein said additive is the N-oleyl-1,3-propylene diamine salt of acid phosphate of 1,2-mixed-pentadecanediol-octadecanediol.
Claim 7
Dependent Claim
30 words
The composition of claim 1 wherein said oil of lubricating viscosity is a mineral oil or fractions thereof or a synthetic oil or a mixture of mineral and synthetic oils.
Claim 8
Dependent Claim
15 words
The composition of claim 6 wherein said oil of lubricating viscosity is a mineral oil.
Claim 9
Dependent Claim
15 words
The composition of claim 3 wherein said oil of lubricating viscosity is a mineral oil.
Claim 10
Dependent Claim
15 words
The composition of claim 4 wherein said oil of lubricating viscosity is a mineral oil.
Claim 11
Dependent Claim
15 words
The composition of claim 5 wherein said oil of lubricating viscosity is a mineral oil.
Claim 12
Dependent Claim
15 words
The composition of claim 6 wherein said oil of lubricating viscosity is a synthetic oil.
Claim 13
Dependent Claim
12 words
The composition of claim 3 wherein said oil is a synthetic oil.
Claim 14
Dependent Claim
12 words
The composition of claim 4 wherein said oil is a synthetic oil.
Claim 15
Dependent Claim
12 words
The composition of claim 5 wherein said oil is a synthetic oil.
Claim 16
Dependent Claim
12 words
The composition of claim 1 wherein said major proportion is a grease.
Claim 17
Dependent Claim
12 words
The composition of claim 3 wherein said major proportion is a grease.
Claim 18
Dependent Claim
12 words
The composition of claim 4 wherein said major proportion is a grease.
Claim 19
Dependent Claim
12 words
The composition of claim 5 wherein said major proportion is a grease.
Claim 20
Dependent Claim
17 words
The composition of claim 1 containing from about 0.1 to about 10 weight percent of said additive.
Claim 21
Dependent Claim
16 words
The composition of claim 19 containing about 2 to about 4 weight percent of said additive.
Claim 22
Dependent Claim
111 words
An amine, diamine or triamine salt of a diol-derived acid phosphate prepared by reacting a diol or mixtures thereof having the following general formula: ##STR4## where R 1 =C 8 -C 30 hydrocarbyl and R 2 =hydrogen or C 1 -C 6 hydrocarbyl with phosphorus pentoxide under suitable conditions of time, temperature and pressure to provide at least a partial acid phosphate thereof and thereafter reacting the resultant acid phosphate with a hydrocarbyl or hydrocarbyloxy hydrocarbylene amine or mixtures thereof having the following general structure: R.sup.3 (NHR.sup.4).sub.x NH.sub.2 where R 3 =C 8 -C 10 hydrocarbyl or hydrocarbyloxy hydrocarbylene, R 4 =C 2 -C 4 hydrocarbylene and x=0, 1, or 2.
Claim 23
Dependent Claim
111 words
An amine, diamine or triamine salt of a diol-derived acid phosphate prepared by reacting a diol or mixtures thereof having the following general formula: ##STR4## where R 1 =C 8 -C 30 hydrocarbyl and R 2 =hydrogen or C 1 -C 6 hydrocarbyl with phosphorus pentoxide under suitable conditions of time, temperature and pressure to provide at least a partial acid phosphate thereof and thereafter reacting the resultant acid phosphate with a hydrocarbyl or hydrocarbyloxy hydrocarbylene amine or mixtures thereof having the following general structure: R.sup.3 (NHR.sup.4).sub.x NH.sub.2 where R 3 =C 8 -C 10 hydrocarbyl or hydrocarbyloxy hydrocarbylene, R 4 =C 2 -C 4 hydrocarbylene and x=0, 1, or 2.
References Cited (Backward Citations)
US3159664A
Cited
US3979308A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-07-07 | 1990-01-06 | 1990-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-07-07 | 1994-01-06 | 1994-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-07-07 | 1998-01-06 | 1998-07-08 | $7700.00 | Window Closed / Lapsed |