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US4137183A Expired / Lapsed US ⏱️ 0.0 years remaining

Hydrocarbyl titanate dithiophosphate compositions and processes

Assignee: Ethyl Corp
•
Filing: 1977-11-21
•
Granted: 1979-01-30
•
Expires: 1997-11-21
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Abstract

Abstract A compound having the structure ##STR1## WHEREIN X+Y=4 AND X RANGES FROM 1 TO 3 AND Y RANGES FROM 1 TO 3 AND R 1 comprises a hydrocarbyl group of about 1 to about 18 carbon atoms and R 2 is a hydrocarbyl group of about 1 to 24 carbon atoms.

Inventors

  • 👤 Guntar Caspari

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 12:40
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/16; C07F9/165; C10; C10M; C10M139/00; C10M2227/00; C10M2227/06; C10M2227/065

Claims Analysis

Total Claims: 15
Claim 1
Independent Claim 55 words
A compound having the structure ##STR4## wherein x + y = 4 and x ranges from 1 to 3 and y ranges from 1 to 3 and R 1 comprises a hydrocarbyl group of about 1 to about 18 carbon atoms and R 2 is a hydrocarbyl group of about 1 to 24 carbon atoms.
Claim 2
Dependent Claim 55 words
A compound having the structure ##STR4## wherein x + y = 4 and x ranges from 1 to 3 and y ranges from 1 to 3 and R 1 comprises a hydrocarbyl group of about 1 to about 18 carbon atoms and R 2 is a hydrocarbyl group of about 1 to 24 carbon atoms.
Claim 3
Dependent Claim 24 words
The compound of claim 1 wherein R 2 comprises an alkyl phenyl group in which the alkyl has about 1 to 18 carbon atoms.
Claim 4
Dependent Claim 24 words
The compound of claim 1 wherein R 1 comprises an alkyl phenyl group wherein the alkyl group has about 1 to 12 carbon atoms.
Claim 5
Dependent Claim 34 words
A process for making hydrocarbyl titanate dithiophosphates comprising reacting a dihydrocarbyl dithiophosphoric acid compound and a titanium compound selected from the group consisting of tetra hydrocarbyl titanate compounds and mixed hydrocarbyl titanate halide compounds.
Claim 6
Dependent Claim 34 words
A process for making hydrocarbyl titanate dithiophosphates comprising reacting a dihydrocarbyl dithiophosphoric acid compound and a titanium compound selected from the group consisting of tetra hydrocarbyl titanate compounds and mixed hydrocarbyl titanate halide compounds.
Claim 7
Dependent Claim 18 words
The process of claim 4 wherein the reaction comprises a tetra hydrocarbyl titanate and a hydrocarbyl dithiophosphoric acid.
Claim 8
Dependent Claim 21 words
The process of claim 4 wherein the reaction comprises a mixed hydrocarbyl titanate halide and a salt of a dihydrocarbyldithiophosphoric acid.
Claim 9
Dependent Claim 27 words
The process of claim 6 wherein the salt of the dihydrocarbyl dithiophosphate is selected from the group consisting of ammonium, alkali metal and alkali metal earth salts.
Claim 10
Dependent Claim 22 words
The process of claim 4 wherein the molar ratio of the hydrocarbyl titanate compound to the dihydrocarbyldithiophosphoric acid composition is about 1:4.0-0.1.
Claim 11
Dependent Claim 22 words
The process of claim 4 wherein the molar ratio of the hydrocarbyl titanate compound to the dihydrocarbyl dithiophosphoric acid compound is 1:2.0-1.0.
Claim 12
Dependent Claim 23 words
A lubricant comprising a major portion of a lubricant oil and an effective amount of the product of the process of claim 4.
Claim 13
Dependent Claim 27 words
The lubricant of claim 10 wherein the product of the process of claim 4 is present in the oil at about 0.1 to 10.0 percent by weight.
Claim 14
Dependent Claim 20 words
A lubricant comprising a major portion of a lubricant oil and an effective amount of the compound of claim 1.
Claim 15
Dependent Claim 25 words
The lubricant of claim 12 wherein the compound of claim 1 is present in the oil at about 0.1 to about 10.0 percent by weight.

References Cited (Backward Citations)

US3242081A Cited
US3984448A Cited
US4083860A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1982-01-29 1982-07-31 1983-01-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1986-01-29 1986-07-31 1987-01-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1990-01-29 1990-07-31 1991-01-30 $7700.00 Window Closed / Lapsed

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