US2900322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating oil containing a wax pour point and cloud point suppresser
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1956-08-06
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Granted: 1959-08-18
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Expires: 1976-08-06
Abstract
No abstract record available.
Inventors
- 👤 Herman J Zoeller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:31
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2205/00; C10M2205/14; C10M2205/16; C10M2205/17; C10N; C10N2040/00; C10N2040/14; C10N2040/16; C10N2040/17
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A HYDROCARBON OIL TO WHICH HAS BEEN ADDED AS A HAZE AND CLOUD POINT SUPPRESSOR FROM ABOUT 0.001% TO ABOUT 0.02% BY WEIGHT OF A PETROLEUM WAX COMPOSITION MELTING IN THE RANGE BETWEEN ABOUT 100*F. AND ABOUT 118*F., SAID COMPOSITION CONTAINING ABOUT 45 TO 55 MOL. PERCENT OF NORMAL PARAFFIN WAXES, ABOUT 15 TO 25 MOL. PERCENT OF ISOPARAFFIN WAXES AND ABOUT 15 TO 25 MOL. PERCENT OF NAPHTHENIC WAXES.
Claim 2
Dependent Claim
70 words
A HYDROCARBON OIL TO WHICH HAS BEEN ADDED AS A HAZE AND CLOUD POINT SUPPRESSOR FROM ABOUT 0.001% TO ABOUT 0.02% BY WEIGHT OF A PETROLEUM WAX COMPOSITION MELTING IN THE RANGE BETWEEN ABOUT 100*F. AND ABOUT 118*F., SAID COMPOSITION CONTAINING ABOUT 45 TO 55 MOL. PERCENT OF NORMAL PARAFFIN WAXES, ABOUT 15 TO 25 MOL. PERCENT OF ISOPARAFFIN WAXES AND ABOUT 15 TO 25 MOL. PERCENT OF NAPHTHENIC WAXES.
References Cited (Backward Citations)
US2671051A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-17 | 1963-02-16 | 1963-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-17 | 1967-02-16 | 1967-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-17 | 1971-02-16 | 1971-08-18 | $7700.00 | Window Closed / Lapsed |