Patents by Inventor Rodney L. Sung

Rodney L. Sung has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4482354
    Abstract: Middle distillate hydrocarbons extended with a shale oil-derived diesel oil fraction, containing (alkyl polyoxyalkyl) amino alkanoic acid are characterized by improved thermal stability.
    Type: Grant
    Filed: September 23, 1983
    Date of Patent: November 13, 1984
    Assignee: Texaco Inc.
    Inventors: Rodney L. Sung, William M. Sweeney, Wheeler C. Crawford
  • Patent number: 4479882
    Abstract: The spreadability of marine diesel cylinder oils is improved by the incorporation therein of a spreadability improving amount of a polyalkoxylated phenoxy compound having the formula: ##STR1## wherein R is an aliphatic hydrocarbyl group having from 5 to 70 carbon atoms and n ranges from 14 to 30.
    Type: Grant
    Filed: January 17, 1983
    Date of Patent: October 30, 1984
    Assignee: Texaco Inc.
    Inventors: Benjamin H. Zoleski, Rodney L. Sung
  • Patent number: 4477261
    Abstract: This invention relates to a polyether amino amide additive and to a motor fuel composition containing same which inhibits ORI and has good carburetor detergency properties. The additive is represented by the formula: ##STR1## in which R is a hydrocarbyl radical having from 6 to 18 carbon atoms, m is a integer from 2 to 4, R' is divalent alkylene radical having from 2 to 3 carbon atoms, n is 1 or 2, and X is a radical from the group consisting of: ##STR2## The present invention is also directed to a gasoline motor fuel composition having a reduced ORI and good carburetor detergency properties which composition contains a minor account of at least one of the above compounds.
    Type: Grant
    Filed: October 11, 1983
    Date of Patent: October 16, 1984
    Assignee: Texaco Inc.
    Inventor: Rodney L. Sung
  • Patent number: 4464276
    Abstract: Novel polyoxyalkylene polyamine triazole or benzotriazole complexes for diesel oils used in medium speed diesel engines.
    Type: Grant
    Filed: May 6, 1983
    Date of Patent: August 7, 1984
    Assignee: Texaco Inc.
    Inventors: Rodney L. Sung, Benjamin H. Zoleski
  • Patent number: 4460381
    Abstract: A process for stabilizing fuels during storage by blending therewith oxalic acid derivatives of mono- or bis-succinimides of polyalkylpolyamines. The fuels are stabilized by the presence of 10 to 100 parts per thousand barrels of these oxamides. For particular applications mixtures of mono- and bis-succinimides in varying proportions can be used.
    Type: Grant
    Filed: May 11, 1983
    Date of Patent: July 17, 1984
    Assignee: Texaco Inc.
    Inventors: Thomas J. Karol, Rodney L. Sung
  • Patent number: 4460379
    Abstract: A fuel composition comprising a mixture of hydrocarbons boiling in the middle distillate boiling range and, an effective stabilizing amount of a hydrocarbyl polyoxypropylene di(polyoxyethylene)amine represented by the formula: ##STR1## wherein R is a hydrocarbon radical having from 1 to 50 carbon atoms, x and y have values from 1 to 16, the sum of x plus y is from 2 to about 17, and z is from 1 to about 20.
    Type: Grant
    Filed: August 30, 1982
    Date of Patent: July 17, 1984
    Assignee: Texaco Inc.
    Inventors: William M. Sweeney, Rodney L. Sung, Wheeler C. Crawford
  • Patent number: 4445907
    Abstract: Alcohols may be inhibited against corrosion by addition there to of an amide reaction product of (i) ##STR1## (preferably in the form of the acid, acid chloride or ester) and (ii) an amino tetrazole.
    Type: Grant
    Filed: November 14, 1980
    Date of Patent: May 1, 1984
    Assignee: Texaco Inc.
    Inventor: Rodney L. Sung
  • Patent number: 4444566
    Abstract: A fuel composition comprising a mixture of hydrocarbons boiling in the middle distillate boiling range and an effective stabilizing amount of a alpha, omega diamino poly(oxypropylene) poly(oxyethylene) poly(oxypropylene) represented by the formula: ##STR1## wherein x and z each has an approximate value ranging from 1 to 3 such that the sum of x plus z has an average value ranging from 3 to 4, and y has an approximate value ranging from 10 to 16.
    Type: Grant
    Filed: October 4, 1982
    Date of Patent: April 24, 1984
    Assignee: Texaco Inc.
    Inventors: Wheeler C. Crawford, William M. Sweeney, Rodney L. Sung
  • Patent number: 4438005
    Abstract: The ability of marine diesel engine cylinder lubricants is improved by the incorporation therein of a spreadability improving amount of at least one polyoxyethylene ester of the formula: ##STR1## wherein n ranges from 18 to 22 and R is an alkyl group having 11 to 17 carbon atoms in the chain.
    Type: Grant
    Filed: December 17, 1982
    Date of Patent: March 20, 1984
    Assignee: Texaco Inc.
    Inventors: Benjamin H. Zoleski, Rodney L. Sung
  • Patent number: 4435186
    Abstract: A novel fuel composition contains ethanol or gasohol plus, as a wear-inhibiting additive, a quaternary ammonium reaction product of an amine ##STR1## typically bis(2-hydroxyethyl)cocoamine and a phosphate, or phosphonic acid, typically dilauryl phosphate.
    Type: Grant
    Filed: May 3, 1982
    Date of Patent: March 6, 1984
    Assignee: Texaco Inc.
    Inventors: Rodney L. Sung, Benjamin J. Kaufman, William M. Sweeney
  • Patent number: 4431430
    Abstract: Alcohols may be inhibited against corrosion by addition thereto of an alkenyl-substituted aliphatic dicarboxylic acid.
    Type: Grant
    Filed: November 14, 1980
    Date of Patent: February 14, 1984
    Assignee: Texaco Inc.
    Inventor: Rodney L. Sung
  • Patent number: 4420407
    Abstract: A cylinder lubricating oil composition characterized by having a Total Base Number from about 50 to 100 comprising a mineral lubricating oil, from 10 to 20 percent of an overbased calcium sulfonate and an N-hydroxyethyl alkenylsuccinimide represented by the formula: ##STR1## in which R is a straight chain hydrocarbon radical having form about 8 to 22 carbon atoms.
    Type: Grant
    Filed: October 22, 1981
    Date of Patent: December 13, 1983
    Assignee: Texaco Inc.
    Inventors: Rodney L. Sung, Benjamin H. Zoleski, William P. Cullen, Mahmoud S. Kablaoui
  • Patent number: 4419105
    Abstract: Alcohols may be inhibited against corrosion by addition thereto of a reaction product of a maleic anhydride and certain amines typified by alkyl isopropoxy aminopropyl amines.
    Type: Grant
    Filed: March 18, 1982
    Date of Patent: December 6, 1983
    Assignee: Texaco Inc.
    Inventor: Rodney L. Sung
  • Patent number: 4416667
    Abstract: A novel fuel composition contains ethanol or gasohol plus, as a wear-inhibiting additive, a quaternary ammonium reaction product of an ether amine (R-O-R").sub.a -NH.sub.3-a, typically C.sub.13 H.sub.27 -O-(CH.sub.2).sub.3 -NH.sub.2 and a phosphate or phosphonate, typically tetradecyl phosphonate.
    Type: Grant
    Filed: December 31, 1981
    Date of Patent: November 22, 1983
    Assignee: Texaco Inc.
    Inventors: Benjamin J. Kaufman, Rodney L. Sung, William M. Sweeney
  • Patent number: 4414123
    Abstract: The spreadability of marine diesel cylinder oils is improved by the incorporation therein of a polyoxyethylene sorbitol lanolin of the formula: ##STR1## /wherein n ranges from 14 to 16.
    Type: Grant
    Filed: June 1, 1981
    Date of Patent: November 8, 1983
    Assignee: Texaco Inc.
    Inventors: Benjamin H. Zoleski, Rodney L. Sung
  • Patent number: 4409001
    Abstract: Improved gasolines contain, as a detergent additive, (alkyl polyoxyalkyl) amino alkanoic acids such as ##STR1##
    Type: Grant
    Filed: January 8, 1982
    Date of Patent: October 11, 1983
    Assignee: Texaco Inc.
    Inventors: Rodney L. Sung, William M. Sweeney, Wheeler C. Crawford
  • Patent number: 4402845
    Abstract: The spreadability of marine diesel cylinder oils is improved by the incorporation therein of a polyethylene glycol of the formula:R--CH.sub.2 O--(CH.sub.2 CH.sub.2 O).sub.n Hwherein n ranges from 7 to 40 and R is an alkyl group containing from 11 to 15 carbon atoms.
    Type: Grant
    Filed: May 26, 1981
    Date of Patent: September 6, 1983
    Assignee: Texaco Inc.
    Inventors: Benjamin H. Zoleski, Rodney L. Sung
  • Patent number: 4392866
    Abstract: Alcohols may be inhibited against corrosion by addition thereto of an ether amine ##STR1## typically C.sub.12 H.sub.25 OCH.sub.2 CH.sub.2 CH.sub.2 NHCH.sub.2 CH.sub.2 CH.sub.2 NH.sub.2.
    Type: Grant
    Filed: November 5, 1981
    Date of Patent: July 12, 1983
    Assignee: Texaco Inc.
    Inventors: Rodney L. Sung, George J. Sidote, William M. Sweeney
  • Patent number: 4392867
    Abstract: Alcohols may be inhibited against corrosion by addition thereto of an amine [R(OR').sub.n ].sub.a --NH.sub.3-a typically dodecyloxy-(isopropoxy)-isopropylamine.
    Type: Grant
    Filed: December 14, 1981
    Date of Patent: July 12, 1983
    Assignee: Texaco Inc.
    Inventors: Rodney L. Sung, William M. Sweeney
  • Patent number: 4391610
    Abstract: A novel fuel composition containing a hydrocarbon boiling in the gasoline boiling range plus optionally ethanol or methanol plus, as a corrosion inhibitor, a dialkoxylated alkyl polyoxyalkyl primary amine ##STR1## typified by ##STR2##
    Type: Grant
    Filed: January 8, 1982
    Date of Patent: July 5, 1983
    Assignee: Texaco Inc.
    Inventors: Rodney L. Sung, William M. Sweeney, Wheeler C. Crawford