U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Fuel additive containing lithium alkylaromatic sulfonate and peroxides

Patent 6858047 Issued on February 22, 2005. Estimated Expiration Date: Icon_subject February 11, 2022. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

3798012

Amino phenol-detergent/dispersant combinations and fuels and lubricants containing same
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Inventor: Clason ,   et al.

Fuel compositions for lessening valve seat recession
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Inventor: Johnston ,   et al.

Alkyl phenol and amino compound compositions and two-cycle engine oils and fuels containing same
Patent #: 4663063
Issued on: 05/05/1987
Inventor: Davis

Hydrogen energy releasing catalyst
Patent #: 4668247
Issued on: 05/26/1987
Inventor: Berenyi

Alkyl phenol and amino phenol compositions and two-cycle engine oils and fuels containing same
Patent #: 4724091
Issued on: 02/09/1988
Inventor: Davis

Two-cycle engine oils containing sulfurized alkyl phenols
Patent #: 4740321
Issued on: 04/26/1988
Inventor: Davis ,   et al.

Fuel additive comprising a hydrocarbon soluble alkali or alkaline earth metal compound and a demulsifier
Patent #: 4781730
Issued on: 11/01/1988
Inventor: Stoldt ,   et al.

Fuel products
Patent #: 4804389
Issued on: 02/14/1989
Inventor: Johnston ,   et al.

Thermally stable sulfonate compositions
Patent #: 5023016
Issued on: 06/11/1991
Inventor: Gallacher, et al.

More ...

Inventor

Application

No. 10073448 filed on 02/11/2002

US Classes:

44/370, Containing organic -S(=O)(=O)O- compound (i.e., sulfonates)44/436, Organic oxygen compound containing (e.g., alicyclic alcohols, hypochlorites, etc.)252/389.52, Zinc or aluminium containing514/3721,2-thiazoles (including hydrogenated)

Examiners

Primary: Toomer, Cephia D.

Attorney, Agent or Firm

Foreign Patent References

  • 87108003 CN 05/01/1988
  • 1083514 CN 03/01/1994
  • 1271760 CN 11/01/2000

International Class

C10L001/18

Abstract

A fuel additive, especially for gasoline and diesel engines, has a major portion of lithium aromatic sulfonate and an organic peroxide; for example, lithium bezene sulfonate and as the peroxide methyl ethyl ketone peroxide and/or tert-butyl perbenzoate. The additives provides better mileage and better operation for internal combustion engines.

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