US3396110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant comprising sulfurcontaining polymer
Assignee: Phillips Petroleum Co
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Filing: 1964-11-30
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Granted: 1968-08-06
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Expires: 1984-11-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Harold Wayne Hill
- 👤 Jr James T Edmonds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:04
CPC Classifications
C; C07; C07C; C07C323/00; C10; C10M; C10M5/00; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/042; C10M2201/06; C10M2201/065; C10M2201/066; C10M2201/10; C10M2201/105; C10M2205/00; C10M2205/02; C10M2205/022; C10M2205/14; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2209/00; C10M2209/10; C10M2209/103; C10M2221/00; C10M2221/04; C10M2221/041; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/043; C10M2227/00; C10M2227/04; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2010/00; C10N2010/02; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
54 words
A GREASE COMPOSITION HAVING INCORPORATED THEREIN A HIGH MOLECULAR WEIGHT POLYPHENYLENE SULFIDE PREPARED BY REACTING SODIUM SULFIDE, FROM WHICH SUBSTANTIALLY ALL WATER OF HYDRATION HAS BEEN REMVED, DISSOLVED IN A POLAR ORGANIC SOLVENT IWTH P-DICHLOROBENZENE AT AN ELEVATED TEMPERATURE UNTIL A FINELY DIVIDED SOLID POLYMER IS OBTAINED SAID COMPOSITION NOT CONTAINING ANY METAL DITHIOCARBAMATE.
Claim 2
Dependent Claim
54 words
A GREASE COMPOSITION HAVING INCORPORATED THEREIN A HIGH MOLECULAR WEIGHT POLYPHENYLENE SULFIDE PREPARED BY REACTING SODIUM SULFIDE, FROM WHICH SUBSTANTIALLY ALL WATER OF HYDRATION HAS BEEN REMVED, DISSOLVED IN A POLAR ORGANIC SOLVENT IWTH P-DICHLOROBENZENE AT AN ELEVATED TEMPERATURE UNTIL A FINELY DIVIDED SOLID POLYMER IS OBTAINED SAID COMPOSITION NOT CONTAINING ANY METAL DITHIOCARBAMATE.
Claim 3
Dependent Claim
45 words
A GREASE COMPOSITION ACCORDING TO CLAIM 1, SAID COMPOSITION ALSO CONTAINING A SMEALL AMOUNT OF A HIGH DENSITY POLYETHYLENE, A SMALL AMOUNT OF LITHIUM 12HYDROXYSTEARATE, AND A CONVENTIOONALLY REFINED NEUTRAL OIL USED IN THE PREPARATION OF A GREASE, SAID COMPOSITION NOT CONTAINING ANY METAL DITHIOCARBAMATE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-06 | 1972-02-05 | 1972-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-06 | 1976-02-05 | 1976-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-06 | 1980-02-05 | 1980-08-06 | $7700.00 | Window Closed / Lapsed |