Patent US3121676A successfully refreshed from Google Patents.
US3121676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Up-grading hydrocarbons
Assignee: Phillips Petroleum Co
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Filing: 1961-08-17
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Granted: 1964-02-18
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Expires: 1981-08-17
Abstract
No abstract record available.
Inventors
- 👤 Frank W Skraba
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:12
CPC Classifications
C; C10; C10G; C10G61/00; C10G61/02; C10G61/06; C10G69/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
197 words
A PROCESS FOR UP-GRADING A PLURALITY OF HYDROCARBON MIXTURES INTO A HIGH PURITY CYCLOHEXANE, VALUABLE AROMATICS AND GASOLINE COMPONENTS WHICH COMPRISES THE STEPS OF: (A) IN A FIRST REFORMING ZONE (3), REFORMING A FEED (1) COMPRISING A HIGH END POINT NAPHTHA REFORMING FEED CONTAINING PARAFFINS, NAPHTHENES AND AROMATICS; (B) SEPARATING (35) ANOTHER (2) COMPRISING AT LEAST ONE OF AN IMPURE CYCLOHEXANE CONTAINING STREAM AND A LOW END BOILING POINT STRAIGHT-RUN GASOLINE, HAVING AN APPROXIMATE END BOILING POINT OF ABOUT 300*F., INTO A METHYLCYCLOPENTANCE-AND-HIGHER STREAM (21) AND A RESIDUE STREAM CONTAINING PARAFFINS, NAPHTHENES AND AROMATICS (36); (C) REFORMING (37) THE RESIDUE STREAM OBTAINED IN STEP "B"; (D) ADMIXING THE REFORMATES OF STEPS "A" AND "C" (4) (E) SEPARATING 5,9) THE ADMIXED REFORMATES OF STEP "D" INTO A HYDROGEN CONTAINING PRODUCT STREAM (L), A C5-AND-LIGHTER PRODUCT STREAM (7), A C7-AND HEAVIER GASOLINE PRODUCT (10) AND A C6-CONTAINING STREAM (11); (F) SEPARATING BY SOLVENT EXTRACTION (12) THE C6-CONTAINING STREAM OF STEP "E" INTO A BENZENE AND TOLUENE CONTAINING EXTRACT PRODUCT STREAM (13) AND A PARAFFIN-AND NAPHTHENE-CONTAINING RAFFINATE STREAM (17); (G) SEPARATING (18) THE RAFFINATE STREAM OF STEP "F" INTO A METHYLCYCLOPENTANE-AND-LIGHTER CONTAINING STREAM (20) AND A GASOLINE PRODUCT STREAM (19);
Claim 2
Dependent Claim
197 words
A PROCESS FOR UP-GRADING A PLURALITY OF HYDROCARBON MIXTURES INTO A HIGH PURITY CYCLOHEXANE, VALUABLE AROMATICS AND GASOLINE COMPONENTS WHICH COMPRISES THE STEPS OF: (A) IN A FIRST REFORMING ZONE (3), REFORMING A FEED (1) COMPRISING A HIGH END POINT NAPHTHA REFORMING FEED CONTAINING PARAFFINS, NAPHTHENES AND AROMATICS; (B) SEPARATING (35) ANOTHER (2) COMPRISING AT LEAST ONE OF AN IMPURE CYCLOHEXANE CONTAINING STREAM AND A LOW END BOILING POINT STRAIGHT-RUN GASOLINE, HAVING AN APPROXIMATE END BOILING POINT OF ABOUT 300*F., INTO A METHYLCYCLOPENTANCE-AND-HIGHER STREAM (21) AND A RESIDUE STREAM CONTAINING PARAFFINS, NAPHTHENES AND AROMATICS (36); (C) REFORMING (37) THE RESIDUE STREAM OBTAINED IN STEP "B"; (D) ADMIXING THE REFORMATES OF STEPS "A" AND "C" (4) (E) SEPARATING 5,9) THE ADMIXED REFORMATES OF STEP "D" INTO A HYDROGEN CONTAINING PRODUCT STREAM (L), A C5-AND-LIGHTER PRODUCT STREAM (7), A C7-AND HEAVIER GASOLINE PRODUCT (10) AND A C6-CONTAINING STREAM (11); (F) SEPARATING BY SOLVENT EXTRACTION (12) THE C6-CONTAINING STREAM OF STEP "E" INTO A BENZENE AND TOLUENE CONTAINING EXTRACT PRODUCT STREAM (13) AND A PARAFFIN-AND NAPHTHENE-CONTAINING RAFFINATE STREAM (17); (G) SEPARATING (18) THE RAFFINATE STREAM OF STEP "F" INTO A METHYLCYCLOPENTANE-AND-LIGHTER CONTAINING STREAM (20) AND A GASOLINE PRODUCT STREAM (19);
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) | 1967-02-17 | 1967-08-19 | 1968-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-17 | 1971-08-19 | 1972-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-17 | 1975-08-19 | 1976-02-18 | $7700.00 | Window Closed / Lapsed |