US3344069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant additive and lubricant containing same
Assignee: Lubrizol Corp
•
Filing: 1965-07-01
•
Granted: 1967-09-26
•
Expires: 1985-07-01
Abstract
No abstract record available.
Inventors
- 👤 Stuebe Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:29
CPC Classifications
C; C10; C10M; C10M133/00; C10M133/52; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/34; C10M2211/00; C10M2211/02; C10M2211/022; C10M2211/06; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/08; C10M2215/082; C10M2215/086; C10M2215/22; C10M2215/223; C10M2215/224; C10M2215/24; C10M2215/26; C10M2215/28; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10M2219/04; C10M2219/044; C10M2219/06; C10M2219/062; C10M2219/066; C10M2219/068; C10M2219/08; C10M2219/082; C10M2219/087; C10M2219/088; C10M2219/089; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/045; C10M2223/12; C10M2225/00; C10M2225/04; C10M2225/041; C10M2227/00; C10M2227/06; C10M2227/063; C10M2229/00; C10M2229/04; C10M2229/041; C10N; C10N2010/00; C10N2010/04; C10N2040/00; C10N2040/08; C10N2040/20; C10N2040/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A COMPOSITION PREPARED BY THE PROCESS COMPRISING HEATING AT A TEMPERATURE OF AT LEAST ABOUT 100*C. (A) A BORON-CONTAINING PRODUCT OBTAINED BY THE REACTION OF ONE EQUIVALENT OF A POLYISOBUTENE-SUBSTITUTED SUCCINIC AN HYDRIDE IN WHICH THE POLYISOBUTENE SUBSTITUENT HAS A MOLECULAR WEIGHT OF FROM ABOUT 750 TO 5,000, FROM ABOUT 1 TO 3 EQUIVALENTS OF TETRACETHYLENE PENTAMINE, AND FROM ABOUT 1 TO 3 EQUIVALENTS OF BORIC ACID AND (B) FROM ABOUT 0.1 TO 2 MOLES, PER MOLE OF BORON IN SAID BORON-CONTAINING PRODUCT OF (A), OF MANNITOL.
Claim 2
Dependent Claim
21 words
A LUBRICATING COMPOSITION COMPRISING A MAJOR PROPORTION OF A LUBRICATING OIL AND A MINOR PROPORTION OF THE COMPOSITION OF CLAIM 2.
References Cited (Backward Citations)
US3087936A
Cited
US3254025A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |