US2560633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of stabilizing catalytically cracked furnace distillates and compositions therefor
Assignee: Leonard Refineries Inc
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Filing: 1951-05-15
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Granted: 1951-07-17
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Expires: 1971-05-15
Abstract
No abstract record available.
Inventors
- 👤 Russell F Stedman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:31
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/185; C10L1/1857; C10L1/22; C10L1/222; C10L1/2222; C10L1/223
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
THE METHOD OF STABILIZING CATALYTICALLY CRACKED FURNACE DISTILLATES WHICH COMPRISES DISSOLVING THEREIN A SMALL PROPORTION SUFFICIENT TO INHIBIT COLOR AND SLUDGE FORMATION, OF EACH OF THE FOLLOWING: FORMALDEHYDE AND AN ALIPHATIC MONOAMINE HAVING TWO TO TWENTY CARBON ATOMS IN THE ALIPHATIC CHAIN.
Claim 2
Independent Claim
42 words
THE METHOD OF STABILIZING CATALYTICALLY CRACKED FURNACE DISTILLATES WHICH COMPRISES DISSOLVING THEREIN A SMALL PROPORTION SUFFICIENT TO INHIBIT COLOR AND SLUDGE FORMATION, OF EACH OF THE FOLLOWING: FORMALDEHYDE AND AN ALIPHATIC MONOAMINE HAVING TWO TO TWENTY CARBON ATOMS IN THE ALIPHATIC CHAIN.
References Cited (Backward Citations)
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-16 | 1955-01-15 | 1955-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-16 | 1959-01-15 | 1959-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-16 | 1963-01-15 | 1963-07-17 | $7700.00 | Window Closed / Lapsed |