US4780230A
Expired / Lapsed
US
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Lubricating oil containing a mannich base
Assignee: Afton Chemical Additives Corp
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Filing: 1987-04-10
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Granted: 1988-10-25
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Expires: 2007-04-10
Abstract
Abstract A lubricating oil contains a carbon-carbon backbone polymer containing residual unsaturation and bearing graft moieties derived from graft monomers containing ethylenic unsaturation and an epoxide moiety, and bonded to at least one of said graft moieties through an opened epoxide moiety, a Mannich base, prepared by reaction of an amine, an aldehyde, and a hindered phenol containing an active hydrogen atom.
Inventors
- 👤 Christopher S. Liu
- 👤 Donald J. Clarke
- 👤 Larry D. Grina
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:53
CPC Classifications
C; C10; C10M; C10M159/00; C10M159/12; C10M159/16; C08; C08F; C08F216/00; C08F216/12; C08F216/14; C08F216/1416; C08F220/00; C08F220/02; C08F220/10; C08F220/26; C08F220/32; C08F220/325; C08F255/00; C08F255/02; C08F255/04; C10M2205/00; C10M2205/02; C10M2209/00; C10M2209/02; C10M2209/04; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/24; C10M2215/26; C10M2217/00; C10M2217/04; C10M2217/042; C10M2217/043; C10M2217/046; C10M2217/06; C10M2227/00; C10N; C10N2040/00; C10N2040/25; C10N2040/251; C10N2040/252; C10N2040/253; C10N2040/255; C10N2040/28
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
81 words
A lubricating oil composition comprising a major portion of a lubricating oil and a minor effective anti-oxidant portion of a composition comprising a carbon-carbon backbone polymer containing residual unsaturation bearing graft moieties derived from a graft monomer containing ethylenic unsaturation and an epoxide moiety, and bonded to at least one of said graft moieties through an opened epoxide moiety, a Mannich base formed by reacting an aldehyde, a primary or secondary amine, and a hindered phenol containing an active hydrogen atom.
Claim 2
Dependent Claim
81 words
A lubricating oil composition comprising a major portion of a lubricating oil and a minor effective anti-oxidant portion of a composition comprising a carbon-carbon backbone polymer containing residual unsaturation bearing graft moieties derived from a graft monomer containing ethylenic unsaturation and an epoxide moiety, and bonded to at least one of said graft moieties through an opened epoxide moiety, a Mannich base formed by reacting an aldehyde, a primary or secondary amine, and a hindered phenol containing an active hydrogen atom.
Claim 3
Dependent Claim
17 words
A lubricating oil composition as claimed in claim 1 wherein said lubricating oil is a hydrocarbon oil.
Claim 4
Dependent Claim
19 words
A lubricating oil composition as claimed in claim 1 wherein said effective portion is 0.02 W %-2.5 W %.
Claim 5
Dependent Claim
23 words
A lubricating oil composition as claimed in claim 1 wherein said Mannich base is formed by reacting formaldehyde, N-(beta-aminoethyl) piperazine, and 2,6-di-t-butyl phenol.
Claim 6
Independent Claim
81 words
The method which comprises adding to a major portion of a lubricating oil a minor effective anti-oxidant portion of a composition comprising a carbon-carbon backbone polymer containing residual unsaturation bearing graft moieties derived from a graft monomer containing ethylenic unsaturation and an epoxide moiety, and bonded to at least one of said graft moieties through an opened epoxide moiety, a Mannich base formed by reacting an aldehyde, a primary or secondary amine, and a hindered phenol containing an active hydrogen atom.
Claim 7
Independent Claim
81 words
The method which comprises adding to a major portion of a lubricating oil a minor effective anti-oxidant portion of a composition comprising a carbon-carbon backbone polymer containing residual unsaturation bearing graft moieties derived from a graft monomer containing ethylenic unsaturation and an epoxide moiety, and bonded to at least one of said graft moieties through an opened epoxide moiety, a Mannich base formed by reacting an aldehyde, a primary or secondary amine, and a hindered phenol containing an active hydrogen atom.
Claim 8
Dependent Claim
19 words
The method claimed in claim 5 wherein said Mannich base is formed by reacting formaldehyde, N-(beta-aminoethyl) piperazine, and 2,6-di-t-butyl-phenol).
Claim 9
Independent Claim
99 words
The method which comprises adding to a major portion of a lubricating oil a minor effective anti-oxidant portion of a composition comprising a carbon-carbon backbone polymer containing residual unsaturation bearing graft moieties derived from a graft monomer containing ethylenic unsaturation and an epoxide moiety, and bonded to at least one of said graft moieties through an opened epoxide moiety, a primary or secondary coupling amine and bonded to at least one of said graft moieties through an opened epoxide moiety a Mannich base formed by the reaction of an aldehyde, a primary or secondary amine, and a hindered phenol.
Claim 10
Independent Claim
99 words
The method which comprises adding to a major portion of a lubricating oil a minor effective anti-oxidant portion of a composition comprising a carbon-carbon backbone polymer containing residual unsaturation bearing graft moieties derived from a graft monomer containing ethylenic unsaturation and an epoxide moiety, and bonded to at least one of said graft moieties through an opened epoxide moiety, a primary or secondary coupling amine and bonded to at least one of said graft moieties through an opened epoxide moiety a Mannich base formed by the reaction of an aldehyde, a primary or secondary amine, and a hindered phenol.
Claim 11
Dependent Claim
18 words
The method as claimed in claim 7 wherein said effective anti-oxidant portion is 4 W %-15 W %.
Claim 12
Dependent Claim
99 words
A lubricating oil composition comprising a major portion of a lubricating oil and a minor effective anti-oxidant portion of a composition comprising a carbon-carbon backbone polymer containing residual unsaturation bearing graft moieties derived from a graft monomer containing ethylenic unsaturation and an epoxide moiety, and bonded to at least one of said graft moieties through an opened epoxide moiety, a primary or secondary coupling amine and bonded to at least one of said graft moieties through an opened epoxide moiety a Mannich base formed by the reaction of an aldehyde, a primary or secondary amine, and a hindered phenol.
Claim 13
Dependent Claim
99 words
A lubricating oil composition comprising a major portion of a lubricating oil and a minor effective anti-oxidant portion of a composition comprising a carbon-carbon backbone polymer containing residual unsaturation bearing graft moieties derived from a graft monomer containing ethylenic unsaturation and an epoxide moiety, and bonded to at least one of said graft moieties through an opened epoxide moiety, a primary or secondary coupling amine and bonded to at least one of said graft moieties through an opened epoxide moiety a Mannich base formed by the reaction of an aldehyde, a primary or secondary amine, and a hindered phenol.
Claim 14
Dependent Claim
17 words
A lubricating oil composition as claimed in claim 9 wherein said lubricating oil is a hydrocarbon oil.
Claim 15
Dependent Claim
19 words
A lubricating oil composition as claimed in claim 9 wherein said effective portion is 4 W %-15 W %.
Claim 16
Dependent Claim
23 words
A lubricating oil composition as claimed in claim 9 wherein said polymer is a copolymer of ethylene-propylene or a terpolymer of ethylene-propylene-diene monomer.
Claim 17
Dependent Claim
22 words
A lubricating oil composition as claimed in claim 9 wherein said graft moieties are derived from allyl glycidyl ether or glycidyl methacrylate.
Claim 18
Dependent Claim
92 words
A lubricating oil composition comprising a major portion of a lubricating oil and a minor effective anti-oxidant portion of a copolymer of ethylene-propylene or of ethylene-propylene-diene monomer said copolymer bearing graft moieties derived from allyl glycidyl ether or glycidyl methacrylate and bonded to at least one of said graft moieties through an opened epoxide moiety, morpholine, and bonded to at least one of said graft moieties through an opened epoxide moiety a Mannich base formed by the reaction of a formaldehyde, N-(beta-aminoethyl) piperazine, and a hindered phenol containing an active hydrogen atom.
Claim 19
Dependent Claim
92 words
A lubricating oil composition comprising a major portion of a lubricating oil and a minor effective anti-oxidant portion of a copolymer of ethylene-propylene or of ethylene-propylene-diene monomer said copolymer bearing graft moieties derived from allyl glycidyl ether or glycidyl methacrylate and bonded to at least one of said graft moieties through an opened epoxide moiety, morpholine, and bonded to at least one of said graft moieties through an opened epoxide moiety a Mannich base formed by the reaction of a formaldehyde, N-(beta-aminoethyl) piperazine, and a hindered phenol containing an active hydrogen atom.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-10-25 | 1992-04-25 | 1992-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-10-25 | 1996-04-25 | 1996-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-10-25 | 2000-04-25 | 2000-10-25 | $7700.00 | Window Closed / Lapsed |