Patent US3036901A successfully refreshed from Google Patents.
US3036901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Residual fuels containing insoluble additives
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1958-11-24
•
Granted: 1962-05-29
•
Expires: 1978-11-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Hiram R Sanders
- 👤 Arnold J Morway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:21
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/12; C10L1/1233; C10L1/14; C10L1/18; C10L1/188; C10L1/1881; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A METHOD OF STABLY SUSPENDING A FINELY-DIVIDED; OILINSOLUBLE ADDITIVE IN A PETRELEUM RESIDUAL FUEL OIL WHICH COMPRISING BLENDING A CALCIUM BASE IN A HEAVY HYDROCARBON OIL TO FORM A SMOOTH SLURRY; NEUTRALIZING SAID BASE IN SAID OIL WITH ACETIC ACID TO FORM A CALCIUM ACETATE HYDRATE; ADDING FROM ABOUT 1 TO ABOUT 40 PARTS BY WEIGHT, BASED UPON SAID HYDRATE, OF A FINELY-DIVIDED, OIL-INSOLUBLE SOLID METAL COMPOUND TO SAID OIL; HOMOGENIZING SAID OIL CONTIANING SAID HYDRATE AND SAID METAL COMPOUND; AND THEREAFTER ADDING SAID HOMOGENIZED OIL MIXTURE TO SAID RESIDUAL FUEL OIL IN AN AMOUNT TO GIVE A METAL COMPOUND CONCENTRATION RANGING BETWEEN ABOUT 0.001% TO ABOUT 0.5% BY WEIGHT.
Claim 2
Independent Claim
110 words
A METHOD OF STABLY SUSPENDING A FINELY-DIVIDED; OILINSOLUBLE ADDITIVE IN A PETRELEUM RESIDUAL FUEL OIL WHICH COMPRISING BLENDING A CALCIUM BASE IN A HEAVY HYDROCARBON OIL TO FORM A SMOOTH SLURRY; NEUTRALIZING SAID BASE IN SAID OIL WITH ACETIC ACID TO FORM A CALCIUM ACETATE HYDRATE; ADDING FROM ABOUT 1 TO ABOUT 40 PARTS BY WEIGHT, BASED UPON SAID HYDRATE, OF A FINELY-DIVIDED, OIL-INSOLUBLE SOLID METAL COMPOUND TO SAID OIL; HOMOGENIZING SAID OIL CONTIANING SAID HYDRATE AND SAID METAL COMPOUND; AND THEREAFTER ADDING SAID HOMOGENIZED OIL MIXTURE TO SAID RESIDUAL FUEL OIL IN AN AMOUNT TO GIVE A METAL COMPOUND CONCENTRATION RANGING BETWEEN ABOUT 0.001% TO ABOUT 0.5% BY WEIGHT.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-28 | 1965-11-27 | 1966-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-28 | 1969-11-27 | 1970-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-28 | 1973-11-27 | 1974-05-29 | $7700.00 | Window Closed / Lapsed |