US3249537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lignosulfonate lubricants
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1963-05-16
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Granted: 1966-05-03
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Expires: 1983-05-16
Abstract
No abstract record available.
Inventors
- 👤 Arnold J Morway
- 👤 John F Kunc
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:13
CPC Classifications
C; C10; C10M; C10M5/00; C10M2201/00; C10M2201/04; C10M2201/041; C10M2205/00; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/125; C10M2207/28; C10M2207/282; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/067; C10M2215/068; C10M2215/22; C10M2215/221; C10M2215/222; C10M2215/223; C10M2215/224; C10M2215/225; C10M2215/227; C10M2217/00; C10M2217/02; C10M2217/04; C10M2219/00; C10M2219/02; C10M2219/024; C10M2219/04; C10M2219/044; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10M2229/051; C10M2229/052; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2040/00; C10N2040/02; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A LUBRICATING GREASE COMPOSITION FORMULATED ESSENTIALLY FROM THE FOLLOWING INGREDIENTS: (A) ABOUT 5 PARTS BY WEIGHT OF A SODIUM LIGNOSULFONATE CONTAINING ABOUT 4 MOLES OF SULFONATION PER LIGNIN UNIT OF 840 GRAMS, (B) ABOUT 10 PARTS BY WEIGHT OF C1 TO C6 FATTY ACID, (C) ABOUT 9.6 PARTS BY WEIGHT OF A BASICALLY REACTING SODIUM COMPOUND, (D) ABOUT 59.4 PARTS BY WEIGHT OF A MINERAL LUBRICATING OIL HAVING A VISCOSITY AT 100*F. FROM 175 TO 750 SUS, AND (E) ABOUT 1 PART BY WEIGHT OF PHENYL ALPHA NAPHTHYLAMINE.
Claim 2
Dependent Claim
88 words
A LUBRICATING GREASE COMPOSITION FORMULATED ESSENTIALLY FROM THE FOLLOWING INGREDIENTS: (A) ABOUT 5 PARTS BY WEIGHT OF A SODIUM LIGNOSULFONATE CONTAINING ABOUT 4 MOLES OF SULFONATION PER LIGNIN UNIT OF 840 GRAMS, (B) ABOUT 10 PARTS BY WEIGHT OF C1 TO C6 FATTY ACID, (C) ABOUT 9.6 PARTS BY WEIGHT OF A BASICALLY REACTING SODIUM COMPOUND, (D) ABOUT 59.4 PARTS BY WEIGHT OF A MINERAL LUBRICATING OIL HAVING A VISCOSITY AT 100*F. FROM 175 TO 750 SUS, AND (E) ABOUT 1 PART BY WEIGHT OF PHENYL ALPHA NAPHTHYLAMINE.
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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) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |