US3397971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-static hydrocarbon fuel and additive therefor
Assignee: Shell USA Inc
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Filing: 1965-11-15
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Granted: 1968-08-20
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Expires: 1985-11-15
Abstract
No abstract record available.
Inventors
- 👤 Minne Johan L Van Der
- 👤 Pieter H J Hermanie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:03
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/006; C07; C07C; C07C51/00; C07C51/41; C07C51/412; C07C65/00; C07C65/01; C07C65/03; C07C65/05; C07F; C07F11/00; C07F11/005; C10L1/10; C10L1/14; C10L1/18; C10L1/188; C10L1/189; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S260/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A PETROLEUM DISTILLATE BOILING WITHIN THE GASOLINE AND KEROSENE BOILING RANGES HAVING A REDUCED TENDENCY TO ACCUMULATE ELECTROSTATEC CHARGES DURING MOVEMENT THEREOF, CONTAINING PER LITER FROM ABOUT 1X10**-9 TO ABOUT 1X10**-5 GRAM ATOMS OF CHROMIUM AS THE CHROMIUM SALT OF C8-C22 ALKYL SALICYCLIC ACIDS, SAID SALT HAVING BEEN PREPARED BY HEATING AN ALKALI METAL SALT OF A C2-C20 ALKYL SALICYCLIC ACID WITH CHROMIUM HALIDE TO FORM A CHROMIUM ALKYL SALICYCLATE, AND EXPOSING THE SALICYLATE TO A TEMPERATURE OF 100*-200*C. IN THE PRESENCE OF 1.0-1.5% BY WEIGHT OF AN OXIDIZING AGENT OF THE GROUP CONSISTING OF (A) A NITROHYDROCARBON SELECTED FROM THE GROUP CONSISITNG OF C1-4 NITROALKANES CONTAINING 1-4 NITRO GROUPS AND MONO- TO DI-NITRO AROMATIC HYDROCARBONS HAVING 6-20 CARBON ATOMS PR MOLECULE, (B) AN INORGANIC NITRATE SELECTED FROM THE GROUP CONSISTIG OF AMMONIUM AND CHROMIUM NITRATE AND (C) A PEROXIDE SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, ACYL AND ALKYL PEROXIDES.
Claim 2
Dependent Claim
151 words
A PETROLEUM DISTILLATE BOILING WITHIN THE GASOLINE AND KEROSENE BOILING RANGES HAVING A REDUCED TENDENCY TO ACCUMULATE ELECTROSTATEC CHARGES DURING MOVEMENT THEREOF, CONTAINING PER LITER FROM ABOUT 1X10**-9 TO ABOUT 1X10**-5 GRAM ATOMS OF CHROMIUM AS THE CHROMIUM SALT OF C8-C22 ALKYL SALICYCLIC ACIDS, SAID SALT HAVING BEEN PREPARED BY HEATING AN ALKALI METAL SALT OF A C2-C20 ALKYL SALICYCLIC ACID WITH CHROMIUM HALIDE TO FORM A CHROMIUM ALKYL SALICYCLATE, AND EXPOSING THE SALICYLATE TO A TEMPERATURE OF 100*-200*C. IN THE PRESENCE OF 1.0-1.5% BY WEIGHT OF AN OXIDIZING AGENT OF THE GROUP CONSISTING OF (A) A NITROHYDROCARBON SELECTED FROM THE GROUP CONSISITNG OF C1-4 NITROALKANES CONTAINING 1-4 NITRO GROUPS AND MONO- TO DI-NITRO AROMATIC HYDROCARBONS HAVING 6-20 CARBON ATOMS PR MOLECULE, (B) AN INORGANIC NITRATE SELECTED FROM THE GROUP CONSISTIG OF AMMONIUM AND CHROMIUM NITRATE AND (C) A PEROXIDE SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, ACYL AND ALKYL PEROXIDES.
References Cited (Backward Citations)
GB749898A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-20 | 1972-02-19 | 1972-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-20 | 1976-02-19 | 1976-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-20 | 1980-02-19 | 1980-08-20 | $7700.00 | Window Closed / Lapsed |