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US2889213A Expired / Lapsed US ⏱️ 0.0 years remaining

Engine fuel containing anti-icing additives

Assignee: Phillips Petroleum Co
•
Filing: 1954-01-06
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Granted: 1959-06-02
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Expires: 1974-01-06
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Abstract

No abstract record available.

Inventors

  • 👤 Olaf E Larsen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 23:09
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/143; C10L1/18; C10L1/185; C10L1/1852; C10L1/192; C10L1/198; C10L1/1985; C10L1/24; C10L1/2462; C10L1/2475; C10L1/2487

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 52 words
A FUEL COMPOSITION COMPRISING AS A MAJOR COMPONENT A GASOLINE AND FROM 0.001 TO 10 WEIGHT PERCENT OF A PRODUCT OF THE CHEMICAL CONDENSATION OF ONE MOLAR PROPORTION OF A TERTIARY ALKYL MERCAPTAN HAVING FROM 8 TO 20 CARBON ATOMS PER MOLECULE WITH FROM 3 TO 14 MOLAR PROPORTIONS OF ETHYLENE OXIDE.
Claim 2
Dependent Claim 52 words
A FUEL COMPOSITION COMPRISING AS A MAJOR COMPONENT A GASOLINE AND FROM 0.001 TO 10 WEIGHT PERCENT OF A PRODUCT OF THE CHEMICAL CONDENSATION OF ONE MOLAR PROPORTION OF A TERTIARY ALKYL MERCAPTAN HAVING FROM 8 TO 20 CARBON ATOMS PER MOLECULE WITH FROM 3 TO 14 MOLAR PROPORTIONS OF ETHYLENE OXIDE.

References Cited (Backward Citations)

US2570050A Cited
US2642400A Cited
US2599338A Cited
US2600113A Cited
US2807526A Cited
US2668522A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-06-01 1962-12-01 1963-06-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-06-01 1966-12-01 1967-06-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-06-01 1970-12-01 1971-06-02 $7700.00 Window Closed / Lapsed

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