US2853430A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for stabilizing furnace oil
Assignee: Standard Oil Co
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Filing: 1955-02-10
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Granted: 1958-09-23
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Expires: 1975-02-10
Abstract
No abstract record available.
Inventors
- 👤 Russell H Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:40
CPC Classifications
C; C10; C10G; C10G27/00; C10G27/02; C10G19/00; C10G19/02; C10G19/06; C10G27/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
191 words
A PROCESS FOR PRODUCING A SWEET, STORAGE-STABLE FURNACE OIL WHICH PROCESS COMPRISES (A) (I) REMOVING ENTRAINED WATER, IMMEDIATELY SUBSEQUENT TO THE PRODUCTION THEREOF AND BEFORE ANY CONTACT WITH ATMOSPHERIC OXYGEN, FROM A LIQUID SOUR OIL BOILING IN THE RANGE OF ABOUT 350* F. AND ABOUT 650*F., WHICH OIL HAS BEEN PRODUCED BY THE CATALYTIC CRACKING OF A PETROLEUM OIL AND (II) DISSOLVING IN SAID DEWATERED OIL BETWEEN ABUT 0.001 AND ABOUT 0.004 WEIGHT PERCENT OF ALKALI-METAL HYDROXIDE, AND BETWEEN ABOUT 0.0005 AND ABOUT 0.002 WEIGHT PERCENT OF FREE-IODINE, BASED ON SAID DEWATERED OIL, RESPECTIVELY, (B) CONTACTING A SOUR VIRGIN GAS OIL OBTAINED BY DISTILLATION OF PETROLEUM, WHICH OIL BOILS IN THE RANGE OF ABOUT 350*F. AND ABOUT 650*F., WITH AQUEOUS PLUMBITE IN THE DOCTOR METHOD AND SEPARATING A SWEET GAS OIL FROM AQUEOUS SOLUTION, (C) BLENDING SAID ALKALI-METAL HYDROXIDE AND FREE-IODINE CONTAINING-OIL AND SAID SWEET GAS OIL IN A VOLUME RATIO OF SAID OIL AND SAID SWEET GAS OIL BETWEEN ABOUT 2:80 AND 70:30, SAID BLEND BEING SOUR TO THE TEST, AND (D) EXPOSING SAID BLEND TO FREEOXYGEN FOR A TIME SUFFICIENT TO PRODUCE A SWEET FURNACE OIL WHICH IS STORAGE-STABLE.
Claim 2
Dependent Claim
191 words
A PROCESS FOR PRODUCING A SWEET, STORAGE-STABLE FURNACE OIL WHICH PROCESS COMPRISES (A) (I) REMOVING ENTRAINED WATER, IMMEDIATELY SUBSEQUENT TO THE PRODUCTION THEREOF AND BEFORE ANY CONTACT WITH ATMOSPHERIC OXYGEN, FROM A LIQUID SOUR OIL BOILING IN THE RANGE OF ABOUT 350* F. AND ABOUT 650*F., WHICH OIL HAS BEEN PRODUCED BY THE CATALYTIC CRACKING OF A PETROLEUM OIL AND (II) DISSOLVING IN SAID DEWATERED OIL BETWEEN ABUT 0.001 AND ABOUT 0.004 WEIGHT PERCENT OF ALKALI-METAL HYDROXIDE, AND BETWEEN ABOUT 0.0005 AND ABOUT 0.002 WEIGHT PERCENT OF FREE-IODINE, BASED ON SAID DEWATERED OIL, RESPECTIVELY, (B) CONTACTING A SOUR VIRGIN GAS OIL OBTAINED BY DISTILLATION OF PETROLEUM, WHICH OIL BOILS IN THE RANGE OF ABOUT 350*F. AND ABOUT 650*F., WITH AQUEOUS PLUMBITE IN THE DOCTOR METHOD AND SEPARATING A SWEET GAS OIL FROM AQUEOUS SOLUTION, (C) BLENDING SAID ALKALI-METAL HYDROXIDE AND FREE-IODINE CONTAINING-OIL AND SAID SWEET GAS OIL IN A VOLUME RATIO OF SAID OIL AND SAID SWEET GAS OIL BETWEEN ABOUT 2:80 AND 70:30, SAID BLEND BEING SOUR TO THE TEST, AND (D) EXPOSING SAID BLEND TO FREEOXYGEN FOR A TIME SUFFICIENT TO PRODUCE A SWEET FURNACE OIL WHICH IS STORAGE-STABLE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-22 | 1962-03-24 | 1962-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-22 | 1966-03-24 | 1966-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-22 | 1970-03-24 | 1970-09-23 | $7700.00 | Window Closed / Lapsed |