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US4175043A
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Metal salts of sulfurized olefin adducts of phosphorodithioic acids and organic compositions containing same
Assignee: Mobil Oil AS
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Filing: 1978-09-21
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Granted: 1979-11-20
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Expires: 1998-09-21
Abstract
Abstract A novel product formed by forming the metal salt of the product of reaction between a dialkyl or diaryl phosphorodithioic acid and a sulfurized olefin possesses among other things, good antiwear and antioxidant activity. Organic compositions containing a minor amount thereof also possess good lubricating characteristics.
Inventors
- 👤 Andrew G. Horodysky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:51
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/04; C10; C10M; C10M137/00; C10M137/02; C10M137/04; C10M137/10; C10M137/105; C10M2205/00; C10M2205/02; C10M2205/026; C10M2205/028; C10M2207/00; C10M2207/04; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2211/00; C10M2211/02; C10M2215/00; C10M2215/10; C10M2215/102; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/045; C10M2227/00; C10M2227/08; C10M2227/081; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/08; C10N2010/12; C10N2010/14; C10N2010/16; C10N2040/00; C10N2040/02; C10N2040/08; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
83 words
An organothiophosphorus compound comprising a metal salt of the reaction product of (1) a phosphorodithioic acid having the general formula: ##STR3## wherein R and R' are hydrocarbyl and are the same or different with each having up to about 30 carbon atoms and (2) a sulfurized olefin having from about 2 to about 8 carbon atoms and sufficient reactive olefinic sites to react with said acid, thereby incorporating into the resultant organothiophosphorus compound from about 0.1 to about 10 wt. % of phosphorus.
Claim 2
Dependent Claim
83 words
An organothiophosphorus compound comprising a metal salt of the reaction product of (1) a phosphorodithioic acid having the general formula: ##STR3## wherein R and R' are hydrocarbyl and are the same or different with each having up to about 30 carbon atoms and (2) a sulfurized olefin having from about 2 to about 8 carbon atoms and sufficient reactive olefinic sites to react with said acid, thereby incorporating into the resultant organothiophosphorus compound from about 0.1 to about 10 wt. % of phosphorus.
Claim 3
Dependent Claim
11 words
The compound of claim 1 wherein R and R' are diisobutyl.
Claim 4
Dependent Claim
13 words
The compound of claim 1 wherein R is propyl and R' is 2-ethylhexyl.
Claim 5
Dependent Claim
11 words
The compound of claim 1 wherein R and R' are 4-methyl-2-pentyl.
Claim 6
Dependent Claim
27 words
The compound of claim 1 wherein the metal of the metal salt is selected from Groups IB, IIA, IIB, IVA, VIB or VIII of the Periodic Table.
Claim 7
Dependent Claim
10 words
The compound of claim 5 wherein the metal is zinc.
Claim 8
Dependent Claim
10 words
The compound of claim 5 wherein the metal is magnesium.
Claim 9
Dependent Claim
10 words
The compound of claim 5 wherein the metal is calcium.
Claim 10
Dependent Claim
10 words
The compound of claim 5 wherein the metal is barium.
Claim 11
Dependent Claim
10 words
The compound of claim 5 wherein the metal is cobalt.
Claim 12
Dependent Claim
10 words
The compound of claim 5 wherein the metal is copper.
Claim 13
Dependent Claim
10 words
The compound of claim 5 wherein the metal is molybdenum.
Claim 14
Dependent Claim
101 words
A lubricant composition comprising a major amount of a lubricant and from about 0.01 to about 10% of an organothiophosphorus compound comprising a metal salt of the reaction product of (1) a phosphorodithioic acid having the general formula: ##STR4## wherein R and R' are hydrocarbyl and are the same or different with each having up to about 30 carbon atoms and (2) a sulfurized olefin having from about 2 to about 8 carbon atoms and sufficient reactive olefinic sites to react with said acid, thereby incorporating into the resultant organothiophosphorus compound from about 0.1 to about 10 wt. % of phosphorus.
Claim 15
Dependent Claim
101 words
A lubricant composition comprising a major amount of a lubricant and from about 0.01 to about 10% of an organothiophosphorus compound comprising a metal salt of the reaction product of (1) a phosphorodithioic acid having the general formula: ##STR4## wherein R and R' are hydrocarbyl and are the same or different with each having up to about 30 carbon atoms and (2) a sulfurized olefin having from about 2 to about 8 carbon atoms and sufficient reactive olefinic sites to react with said acid, thereby incorporating into the resultant organothiophosphorus compound from about 0.1 to about 10 wt. % of phosphorus.
Claim 16
Dependent Claim
11 words
The composition of claim 13 wherein R and R' are diisobutyl.
Claim 17
Dependent Claim
13 words
The composition of claim 13 wherein R is propyl and R' is 2-ethylhexyl.
Claim 18
Dependent Claim
11 words
The composition of claim 13 wherein R and R' are 4-methyl-2-pentyl.
Claim 19
Dependent Claim
27 words
The composition of claim 13 wherein the metal of the metal salt is selected from Groups IB, IIA, IIB, IVA, VIB or VIII of the Periodic Table.
Claim 20
Dependent Claim
10 words
The composition of claim 17 wherein the metal is zinc.
Claim 21
Dependent Claim
10 words
The composition of claim 17 wherein the metal is magnesium.
Claim 22
Dependent Claim
10 words
The composition of claim 17 wherein the metal is calcium.
Claim 23
Dependent Claim
10 words
The composition of claim 17 wherein the metal is barium.
Claim 24
Dependent Claim
10 words
The composition of claim 17 wherein the metal is cobalt.
Claim 25
Dependent Claim
10 words
The composition of claim 17 wherein the metal is copper.
Claim 26
Dependent Claim
10 words
The composition of claim 17 wherein the metal is molybdenum.
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) | 1982-11-19 | 1983-05-21 | 1983-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-11-19 | 1987-05-21 | 1987-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-11-19 | 1991-05-21 | 1991-11-20 | $7700.00 | Window Closed / Lapsed |