Plural Rings Bonded To The Same Nitrogen Atom Patents (Class 44/431)
  • Fuel, fuel cell system, fuel cell vehicle and operating method for fuel cell system
    Patent number: 9112196
    Abstract: A direct type fuel cell (1) is supplied with a fuel comprised of hydrocarbon and antioxidant, to have a maintained durability.
    Type: Grant
    Filed: November 29, 2006
    Date of Patent: August 18, 2015
    Assignee: NISSAN MOTOR CO., LTD.
    Inventor: Masashi Ito
  • Antioxidant blends suitable for use in biodiesels
    Patent number: 8663344
    Abstract: This invention provides stabilized biodiesels comprising (1) biodiesel, such as fatty acid methyl ester (FAME), (2) mono- or bis-hindered phenolic derived from 2,6-di-tert-butylphenol, and (3) N,N-di-substituted para-phenylene diamine. Also methods of stabilizing biodiesel are provided involving adding (2) and (3) to (1).
    Type: Grant
    Filed: July 30, 2008
    Date of Patent: March 4, 2014
    Assignee: Albemarle Corporation
    Inventors: Emily R. Schneller, William E. Moehle, Gangkai Zhao
  • Antioxidant additive for biodiesel fuels
    Patent number: 7964002
    Abstract: A synergistic combination antioxidant mixture that provides excellent characteristics for biodiesel fuel compositions, when incorporated therein.
    Type: Grant
    Filed: June 14, 2006
    Date of Patent: June 21, 2011
    Assignee: Chemtura Corporation
    Inventors: Frank J. DeBlase, Brian E. Fox, Cyril A. Migdal
  • Non-metallic anti-knock fuel additive
    Patent number: 5536280
    Abstract: A gasoline fuel composition comprising a major portion of gasoline and a minor portion of a diphenylamine, effective to increase the octane number of the gasoline composition, represented by the formula: ##STR1## where R and R' are independently hydrogen or C.sub.9 aliphatic hydrocarbons.
    Type: Grant
    Filed: December 1, 1994
    Date of Patent: July 16, 1996
    Assignee: Texaco Inc.
    Inventors: Thomas F. DeRosa, William M. Studzinski, Joseph M. Russo, Benjamin J. Kaufman, Robert T. Hahn
  • Non-metallic anti-knock fuel additive
    Patent number: 5468264
    Abstract: A gasoline fuel composition comprising a major portion of gasoline and a minor portion of one or more polyaryl amines, effective to increase the octane number of the gasoline composition, represented by the formula: ##STR1## where R.sup.1 -R.sup.5 are independently hydrogen or C.sub.1 -C.sub.8 aliphatic hydrocarbons; R.sup.6 -R.sup.8 are independently hydrogen or C.sub.1 -C.sub.6 aliphatic hydrocarbons; x is between 0 and about 2, inclusive, y is between 0 and about 3, inclusive; and z is between about 1 and about 50, inclusive.
    Type: Grant
    Filed: November 1, 1994
    Date of Patent: November 21, 1995
    Assignee: Texaco Inc.
    Inventors: Thomas F. DeRosa, William M. Studzinski, Joseph M. Russo, Benjamin J. Kaufman, Robert T. Hahn