Patent US4450096A successfully refreshed from Google Patents.
US4450096A
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Metal hydrocarbyl phosphorodithioates and lubricants containing same
Assignee: Mobil Oil AS
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Filing: 1982-02-22
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Granted: 1984-05-22
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Expires: 2002-02-22
Abstract
Abstract Multifunctional additives are provided for fuel and lubricant compositions. The additives are products prepared from metal-containing compounds, phosphorus polysulfides and hydrocarbyl vicinal diols. The lubricants include mineral oils, synthetic oils, mixtures thereof and greases from either of the three types.
Inventors
- 👤 Andrew G. Horodysky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:25
CPC Classifications
C; C10; C10M; C10M137/00; C10M137/02; C10M137/04; C10M137/10; C10M137/105; C07; C07C; C07C327/00; C07F; C07F9/00; C07F9/02; C07F9/04; C07F9/06; C07F9/16; C07F9/165; C07F9/1651; C07F9/547; C07F9/6564; C07F9/6571; C07F9/657109; C07F9/657118; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10M2223/12; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/12; C10N2010/14; C10N2010/16
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
32 words
A reaction product formed by reacting a 1,2-C 15 through C 18 alkane vicinal diol mixture with a phosphorus polysulfide, followed by reacting the product thus obtained with a metal containing compound.
Claim 2
Dependent Claim
32 words
A reaction product formed by reacting a 1,2-C 15 through C 18 alkane vicinal diol mixture with a phosphorus polysulfide, followed by reacting the product thus obtained with a metal containing compound.
Claim 3
Dependent Claim
13 words
The product of claim 1 in which the phosphorus polysulfide is phosphorus pentasulfide.
Claim 4
Dependent Claim
21 words
The product of claim 1 in which the metal is from Groups IB, IIB, VIA and VIII of the Periodic Table.
Claim 5
Dependent Claim
20 words
The product of claim 3 in which the metal is derived from salts, oxides, hydroxides, carbonates, chlorides or mixtures thereof.
Claim 6
Dependent Claim
18 words
The product of claim 3 in which the metal is silver, cadmium, zinc, molybdenum, nickel or mixtures thereof.
Claim 7
Dependent Claim
31 words
The product of claim 1 in which the hydrocarbyl vicinal diol is mixed C 15 -C 18 alkanediols, the phosphorus polysulfide is phosphorus pentasulfide and the metal-containing compound is zinc oxide.
Claim 8
Dependent Claim
47 words
A lubricant composition comprising a major proportion of a lubricant and a friction reducing amount of a reaction product formed by reacting a 1,2-C 15 through C 18 alkane vicinal diol mixture with a phosphorus polysulfide, followed by reacting the product thus obtained with a metal-containing compound.
Claim 9
Dependent Claim
47 words
A lubricant composition comprising a major proportion of a lubricant and a friction reducing amount of a reaction product formed by reacting a 1,2-C 15 through C 18 alkane vicinal diol mixture with a phosphorus polysulfide, followed by reacting the product thus obtained with a metal-containing compound.
Claim 10
Dependent Claim
13 words
The composition of claim 7 in which the phosphorus polysulfide is phosphorus pentasulfide.
Claim 11
Dependent Claim
21 words
The composition of claim 7 in which the metal is from Groups IB, IIB, VIA and VIII of the Periodic Table.
Claim 12
Dependent Claim
20 words
The composition of claim 9 in which the metal is derived from salts, oxides, hydroxides, carbonates, chlorides or mixtures thereof.
Claim 13
Dependent Claim
18 words
The composition of claim 9 in which the metal is silver, cadmium, zinc, molybdenum, nickel or mixtures thereof.
Claim 14
Dependent Claim
34 words
The composition of claim 7 in which in said product the hydrocarbyl vicinal diol is mixed C 15 -C 18 alkanediols, the phosphorus polysulfide is phosphorus pentasulfide and the metal-containing compound is zinc oxide.
Claim 15
Dependent Claim
34 words
The composition of claims 7, 8, 9, 10, 11 or 12 in which said lubricant is (1) a lubricating oil, (2) a mixture of lubricating oils, or (3) a grease from (1) or (2).
Claim 16
Dependent Claim
13 words
The composition of claim 13 wherein the lubricating oil is a mineral oil.
Claim 17
Dependent Claim
14 words
The composition of claim 14 wherein the lubricating oil is a synthetic mineral oil.
Claim 18
Dependent Claim
17 words
The composition of claim 7 wherein the lubricant is a mixture of mineral and synthetic lubricating oils.
Claim 19
Dependent Claim
11 words
The composition of claim 13 wherein said lubricant is said grease.
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) | 1987-05-22 | 1987-11-21 | 1988-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-05-22 | 1991-11-21 | 1992-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-05-22 | 1995-11-21 | 1996-05-22 | $7700.00 | Window Closed / Lapsed |