US3986967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organophosphorus derivatives of benzotriazole and their use as load carrying additives
Assignee: Mobil Oil AS
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Filing: 1975-10-17
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Granted: 1976-10-19
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Expires: 1995-10-17
Abstract
Abstract Lubricants are stabilized with an organophosphorusbenzotriazole product, resulting in the ability to support higher load factors in the lubricated system.
Inventors
- 👤 Abraham O. M. Okorodudu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:13
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/6515; C07F9/6518; C07F9/65188; C10; C10M; C10M1/00; C10M1/08; C10M2223/00; C10M2223/02; C10M2223/049; C10N; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
39 words
A compond of the formula: ##SPC10## wherein m is 1 or 2, n is 1 or 2, their sum being 3, q is zero or 1 and R is a hydrocarbyl group having from 1 to 32 carbon atoms.
Claim 2
Dependent Claim
39 words
A compond of the formula: ##SPC10## wherein m is 1 or 2, n is 1 or 2, their sum being 3, q is zero or 1 and R is a hydrocarbyl group having from 1 to 32 carbon atoms.
Claim 3
Dependent Claim
19 words
The compound of claim 1 wherein m is 1, n is 2, q is 1 and R is ##SPC11##
Claim 4
Dependent Claim
19 words
The compound of claim 1 wherein m is 1, n is 2, q is zero and R is ##SPC12##
Claim 5
Dependent Claim
23 words
The compound of claim 1 wherein m is 1, n is 2, q is zero and R is --C 8 H 17 .
Claim 6
Dependent Claim
23 words
The compound of claim 1 wherein m is 1, n is 2, q is 1 and R is --C 8 H 17 .
Claim 7
Dependent Claim
23 words
The compound of claim 1 wherein m is 1, n is 2, q is zero and R is --C 4 H 9 .
Claim 8
Dependent Claim
23 words
The compound of claim 1 wherein m is 1, n is 2, q is 1 and R is --C 4 H 9 .
Claim 9
Dependent Claim
61 words
A lubricant composition comprising a major amount of an oil of lubricating viscosity or greases thereof and a load carrying amount of a compound of the formula: ##SPC13## wherein m is 1 or 2, n is 1 or 2, their sum being 3, q is zero or 1 and R is a hydrocarbyl group having from 1 to 32 carbon atoms.
Claim 10
Dependent Claim
61 words
A lubricant composition comprising a major amount of an oil of lubricating viscosity or greases thereof and a load carrying amount of a compound of the formula: ##SPC13## wherein m is 1 or 2, n is 1 or 2, their sum being 3, q is zero or 1 and R is a hydrocarbyl group having from 1 to 32 carbon atoms.
Claim 11
Dependent Claim
19 words
The composition of claim 8 wherein m is 1, n is 2, q is 1 and R is ##SPC14##
Claim 12
Dependent Claim
19 words
The composition of claim 8 wherein m is 1, n is 2, q is zero and R is ##SPC15##
Claim 13
Dependent Claim
23 words
The composition of claim 8 wherein m is 1, n is 2, q is zero and R is --C 8 H 17 .
Claim 14
Dependent Claim
23 words
The composition of claim 8 wherein m is 1, n is 2, q is 1 and R is --C 8 H 17 .
Claim 15
Dependent Claim
23 words
The composition of claim 8 wherein m is 1, n is 2, q is zero and R is --C 4 H 9 .
Claim 16
Dependent Claim
23 words
The composition of claim 8 wherein m is 1, n is 2, q is 1 and R is --C 4 H 9 .
References Cited (Backward Citations)
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Cited
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US3677943A
Cited
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Cited
US3844957A
Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-10-19 | 1980-04-19 | 1980-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-10-19 | 1984-04-19 | 1984-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-10-19 | 1988-04-19 | 1988-10-19 | $7700.00 | Window Closed / Lapsed |