US4113640A
Expired / Lapsed
US
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Triazine-urea grease thickeners
Assignee: Shell USA Inc
•
Filing: 1977-11-17
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Granted: 1978-09-12
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Expires: 1997-11-17
Abstract
Abstract Triazine-urea compounds having the structural formula ##STR1## WHEREIN R is an aliphatic hydrocarbyl radical of 16 to 22 carbon atoms, m is 0 or 1 and n is 0 or 1, are excellent thickening agents for greases employed in high temperature applications.
Inventors
- 👤 Thomas F. Wulfers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:56
CPC Classifications
C; C10; C10M; C10M115/00; C10M115/08; C10M119/00; C10M119/24; C10M2201/00; C10M2201/08; C10M2201/082; C10M2201/083; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/123; C10M2207/129; C10M2207/22; C10M2207/28; C10M2207/287; C10M2207/289; C10M2211/00; C10M2211/08; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/08; C10M2215/082; C10M2215/12; C10M2215/14; C10M2215/22; C10M2215/221; C10M2215/222; C10M2215/223; C10M2215/224; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/28; C10M2215/30; C10M2217/00; C10M2217/04; C10M2217/042; C10M2217/043; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/04; C10M2219/044; C10M2219/06; C10M2219/062; C10M2219/066; C10M2219/068; C10M2219/10; C10M2219/104; C10M2219/108; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10N; C10N2010/00; C10N2010/04; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
57 words
A grease composition consisting essentially of a major amount of a lubricating oil base vehicle and in an amount sufficient to thicken the base vehicle to grease consistency, a triazine-urea compound defined by the formula: ##STR6## wherein R is an aliphatic hydrocarbyl radical of 16 to 22 carbon atoms and m and n are integers of 0-1.
Claim 2
Dependent Claim
57 words
A grease composition consisting essentially of a major amount of a lubricating oil base vehicle and in an amount sufficient to thicken the base vehicle to grease consistency, a triazine-urea compound defined by the formula: ##STR6## wherein R is an aliphatic hydrocarbyl radical of 16 to 22 carbon atoms and m and n are integers of 0-1.
Claim 3
Dependent Claim
22 words
The composition according to claim 1, wherein the triazine-urea compound is present in the amount of from 5 to 50% by weight.
Claim 4
Dependent Claim
42 words
The composition according to claim 1, wherein R is selected from the class consisting of straight-chain and branched-chain saturated aliphatic hydrocarbyl radicals of 16 to 22 carbon atoms and straight-chain and branched-chain unsaturated aliphatic hydrocarbyl radicals of 16 to 22 carbon atoms.
Claim 5
Dependent Claim
18 words
The composition according to claim 3, wherein R is a straight-chain alkyl of 18 to 21 carbon atoms.
Claim 6
Dependent Claim
14 words
The composition according to claim 4 wherein m is 1 and n is 0.
Claim 7
Dependent Claim
27 words
The composition of claim 3 wherein R is selected from the class consisting of straight-chain and branched-chain saturated aliphatic hydrocarbyl radicals of 16 to 22 carbon atoms.
Claim 8
Dependent Claim
13 words
The composition of claim 6 wherein R is C 18 H 37 --.
Claim 9
Dependent Claim
13 words
The composition of claim 6 wherein R is C 19 H 39 --.
Claim 10
Dependent Claim
13 words
The composition of claim 6 wherein R is C 20 H 41 --.
Claim 11
Dependent Claim
13 words
The composition of claim 6 wherein R is C 21 H 43 --.
References Cited (Backward Citations)
US3785979A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-09-11 | 1982-03-13 | 1982-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-09-11 | 1986-03-13 | 1986-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-09-11 | 1990-03-13 | 1990-09-12 | $7700.00 | Window Closed / Lapsed |