Patents Examined by Prince E. Willis, Jr.
  • Patent number: 5032145
    Abstract: Cloud point, pour point and filterability of diesel and heating fuels are improved by the incorporation of minor amounts of an additive prepared from the reaction products of a long chain oligomeric alkylsuccinic anhydride, a higher alkyl linear saturated alcohol and a tertiary amino substituted polyol.
    Type: Grant
    Filed: December 20, 1988
    Date of Patent: July 16, 1991
    Assignee: Mobil Oil Corporation
    Inventors: Joan C. Axelrod, Sheldon Chibnik, David J. Baillargeon
  • Patent number: 5019285
    Abstract: Lubricants are stablized against oxidative degradation by the incorporation therein of hydroxylamines substituted with thioalkanoic acid residues of the formula ##STR1## wherein R and R.sub.1 are independently H, alkyl or aryl, X is independently OR.sub.2 SR.sub.2 or NR.sub.3 R.sub.4 wherein Rhd 2 is H, alkyl, cycloalkyl or aralkyl, and R.sub.3 and R.sub.4 are independently H, alkyl or aryl and n is 1 or 2.
    Type: Grant
    Filed: January 26, 1990
    Date of Patent: May 28, 1991
    Assignee: Ciba-Geigy Corporation
    Inventors: Samuel Evans, David Chasan, Raymond Seltzer
  • Patent number: 5009802
    Abstract: A partially sulfurized, phenolic antioxidant having good copper corrosion properties is prepared by reacting a liquid mixture of phenols, which mixtures includes at least one reactive, hindered phenol, with sulfur chloride in proportions to provide from about 0.3 to 0.7 gram atoms of sulfur per mole of reactive phenol.
    Type: Grant
    Filed: November 29, 1989
    Date of Patent: April 23, 1991
    Assignee: Ethyl Corporation
    Inventors: William Y. Lam, Gregory P. Liesen
  • Patent number: 4883607
    Abstract: Granulated detergent builders, are disclosed consisting essentially of:70 to 80 weight percent of water-insoluble silicate, capable of binding calcium, in the form of a finely divided, bound-water-containing, synthetically produced, water-insoluble, crystalline compound of the general formula(Kat).sub.2/n O).sub.x.Me.sub.2 O.sub.3.(SiO.sub.2).sub.y (I),in which Kat represents an n-valent cation which is exchangeable with calcium, x a number from 0.7 to 1.5, Me boron or aluminum and y a number from 0.8 to 6,2 to 3 weight percent of nonionic surfactant,0 to 1 weight percent of alkali,2.4 to 5 weight percent of carboxymethylcellulose and/or methylcellulose,and the balance water.
    Type: Grant
    Filed: January 25, 1988
    Date of Patent: November 28, 1989
    Assignee: Degussa Aktiengesellschaft
    Inventor: Manfred Diehl