US2863847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating oils thickened to a grease with hydrous metal salts and process for forming same
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1955-04-01
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Granted: 1958-12-09
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Expires: 1975-04-01
Abstract
No abstract record available.
Inventors
- 👤 Arnold J Morway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:12
CPC Classifications
C; C10; C10M; C10M5/00; C10M2201/00; C10M2201/02; C10M2205/00; C10M2207/00; C10M2207/08; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/282; C10M2207/30; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2219/00; C10M2219/08; C10M2219/082; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/043; C10M2229/044; C10M2229/05; C10N; C10N2010/00; C10N2010/04; C10N2010/08; C10N2020/00; C10N2020/01; C10N2040/00; C10N2040/25; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A LURICATING GREASE COMPOSITION WHICH COMPRISES A LUBRICATING OIL BASE STOCK THICKENED TO GREASE CONSISTENCY WITH FROM 5 TO 30 WEIGHT PERCENT OF A HYDROUS MIXTURE OF A METAL SALT OF A LOW MOLECULAR WEIGHT MONOCARBOXYLIC ACID HAVING FROM ABOUT 1 TO 3 CARBON ATOMS PER MOLECULE AND A METAL SALT OF AN INTERMEDIATE MOLECULAR WEIGHT MONOCARBOXYLIC ACID HAVING FROM ABOUT 7 TO 18 CARBON ATOMS PER MOLECULE, IN WHICH THE MOL RATIO OF LOW TO INTERMEDIATE MOLECULAR WEIGHT CARBOXYLIC ACIDS IS BETWEEN 2:1 AND 40:1, WHEREIN SAID HYDROUS COMPOSITION CONTAINS 0.5 TO 15.0 WEIGHT PERCENT WATER AND SAID METAL IS SELECTED FROM THE GROUP CONSISTING OF ALKALI METALS, ALKALINE EARTH METALS AND HEAVY METALS OF GROUPS I, II, IV AND VIII OF THE PERIODIC SYSTEM.
Claim 2
Dependent Claim
126 words
A LURICATING GREASE COMPOSITION WHICH COMPRISES A LUBRICATING OIL BASE STOCK THICKENED TO GREASE CONSISTENCY WITH FROM 5 TO 30 WEIGHT PERCENT OF A HYDROUS MIXTURE OF A METAL SALT OF A LOW MOLECULAR WEIGHT MONOCARBOXYLIC ACID HAVING FROM ABOUT 1 TO 3 CARBON ATOMS PER MOLECULE AND A METAL SALT OF AN INTERMEDIATE MOLECULAR WEIGHT MONOCARBOXYLIC ACID HAVING FROM ABOUT 7 TO 18 CARBON ATOMS PER MOLECULE, IN WHICH THE MOL RATIO OF LOW TO INTERMEDIATE MOLECULAR WEIGHT CARBOXYLIC ACIDS IS BETWEEN 2:1 AND 40:1, WHEREIN SAID HYDROUS COMPOSITION CONTAINS 0.5 TO 15.0 WEIGHT PERCENT WATER AND SAID METAL IS SELECTED FROM THE GROUP CONSISTING OF ALKALI METALS, ALKALINE EARTH METALS AND HEAVY METALS OF GROUPS I, II, IV AND VIII OF THE PERIODIC SYSTEM.
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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) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |