US3216935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1962-08-22
•
Granted: 1965-11-09
•
Expires: 1982-08-22
Abstract
No abstract record available.
Inventors
- 👤 Arnold J Morway
- 👤 William J Sparks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:38
CPC Classifications
C; C07; C07D; C07D233/00; C07D233/04; C07D233/06; C07D233/08; C07D233/12; C07D233/16; C10; C10M; C10M5/00; C10M2201/00; C10M2201/08; C10M2201/081; C10M2201/082; C10M2201/084; C10M2205/00; C10M2205/02; C10M2205/024; C10M2205/22; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/28; C10M2207/282; C10M2207/287; C10M2207/289; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/22; C10M2215/223; C10M2215/224; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/043; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A LUBRICATING GREASE COMPRISING A MAJOR AMOUNT OF MINERAL LUBRICATING OIL, ABOUT 1 TO 3 WT. PERCENT OF A SUBSTANTIALLY LINEAR POLYPROPYLENE OF ABOT 50,000 TO 700,000 MOLECULAR WEIGHT, ABOUT 1 TO 3 WT. PERCENT OF PETROLEUM RESIN AND ABOUT 7 TO 12 WT. PERCENT OF CALCIUM ACETATE, SAID PETROLEUM RESIN BEING A SUBSTANTIALLY NONAROMATIC, UNSATURATED,HYDROCARBON RESIN THAT HAS BEEN PREPARED BY CATALYTIC POLYMERIZATION OF A STEAM-CRACKED PETROLEUM HYDROCARBON FRACTION, BOILING IN THE RANGE OF FROM 20* TO 170*C. AND HAVING A COMPOSITION OF 8 TO 20 WT. PERCENT DIOLEFINS, 19 TO 49 WT. PERCENT AROMATICS, 30 TO 60 WT. PERCENT OLEFINS, AND 1 TO 5 WT. PERCENT PARAFFINS AND NAPHTHENES.
Claim 2
Dependent Claim
54 words
A LUBRICATING GREASE ACCORDING TO CLAIM 5, WHEREIN SAID COMPOSITION ALSO CONTAINS 5 TO 30 WT. PERCENT, BASED ON THE WEIGHT OF SAID CALCIUM ACETATE, OF A SALT REACTION PRODUCT OF PHYTIC ACID AND 1-(2 AMINO ETHYL-2-N-ALKENYL2-IMIDAZOLINE) IN AMOUNTS SUFFICIENT TO FORM A NEUTRAL SALT, WHEREIN THE ALKENYL GROUPS ARE HEPTADECENYL AND HEPTADECADIENYL GROUPS.
References Cited (Backward Citations)
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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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |