US5084194A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grease composition
Assignee: Mobil Oil AS
•
Filing: 1990-11-14
•
Granted: 1992-01-28
•
Expires: 2010-11-14
Abstract
Abstract Grease compositions, wherein the grease is thickened with a metal hydroxy-containing soap grease thickener are provided. Other essential ingredients of the compositions include borated hydrocarbylamines.
Inventors
- 👤 John P. Doner
- 👤 Andrew G. Horodysky
- 👤 John A. Keller, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:39
CPC Classifications
C; C10; C10M; C10M169/00; C10M169/06; C10M2201/00; C10M2201/14; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/124; C10M2207/1245; C10M2207/125; C10M2207/129; C10M2207/18; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/086; C10M2215/10; C10M2215/102; C10M2215/22; C10M2215/225; C10M2215/227; C10M2215/24; C10M2215/26; C10M2215/28; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/043; C10M2223/045; C10M2223/047; C10M2227/00; C10M2227/06; C10M2227/061; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/14; C10N2010/16
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
79 words
An improved grease composition comprising a major proportion of (1) a grease, (2) from about 0.01% to about 10% by weight of a means for increasing the dropping point of the grease composition comprising a reaction product made by reacting N-oleyl-1,3-propylenediamine with boric acid, (3) a thickener containing at least about 15% by weight of a 12-hydroxystearate thickener, and (4) a compound containing both phosphorus and sulfur supplied by a zinc C 3 to C 6 alkyl phosphorodithioate compound.
Claim 2
Dependent Claim
79 words
An improved grease composition comprising a major proportion of (1) a grease, (2) from about 0.01% to about 10% by weight of a means for increasing the dropping point of the grease composition comprising a reaction product made by reacting N-oleyl-1,3-propylenediamine with boric acid, (3) a thickener containing at least about 15% by weight of a 12-hydroxystearate thickener, and (4) a compound containing both phosphorus and sulfur supplied by a zinc C 3 to C 6 alkyl phosphorodithioate compound.
Claim 3
Dependent Claim
81 words
An improved grease composition comprising a major proportion of (1) a grease, (2) from about 0.01% to about 10% by weight of a means for increasing the dropping point of the grease composition comprising a reaction product made by reacting N-tallow-1,3-propylenediamine with boric acid, (3) a thickener containing at least about 15% by weight of a lithium 12-hydroxystearate thickener, and (4) a compound containing both phosphorus and sulfur moieties supplied by a zinc C 3 to C 6 alkyl phosphorodithioate compound.
Claim 4
Dependent Claim
81 words
An improved grease composition comprising a major proportion of (1) a grease, (2) from about 0.01% to about 10% by weight of a means for increasing the dropping point of the grease composition comprising a reaction product made by reacting N-tallow-1,3-propylenediamine with boric acid, (3) a thickener containing at least about 15% by weight of a lithium 12-hydroxystearate thickener, and (4) a compound containing both phosphorus and sulfur moieties supplied by a zinc C 3 to C 6 alkyl phosphorodithioate compound.
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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) | 1995-01-27 | 1995-07-29 | 1996-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-01-27 | 1999-07-29 | 2000-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-01-27 | 2003-07-29 | 2004-01-28 | $7700.00 | Window Closed / Lapsed |