Patents Examined by Y. Harris-Smith
  • Combustible coal/water mixture for fuels and methods of preparing same
    Patent number: 4505716
    Abstract: Combustible fuel slurry compositions and methods for producing such compositions. The compositions comprise mixtures of particulate coal, water, wetting/dispersing agents for the coal and suspending agents for stabilizing the slurries. The suspending agents include clays such as attapulgite, sepiolite, bentonite and montmorillonite. The wetting/dispersing agents include anionic and non-ionic surface active agents.
    Type: Grant
    Filed: February 15, 1984
    Date of Patent: March 19, 1985
    Assignee: ITT Corporation
    Inventor: Edgar W. Sawyer, Jr.
  • Fuel additives from borated, acid-treated mixtures of vegetable oil derived amides and esters
    Patent number: 4505725
    Abstract: Vegetable oils, particularly soy oil, are reacted with polyamines, particularly tetraethylenepentamine, to form a mixture containing amides, imides, half esters and glycerol; subsequent reaction with sulfonic acid to produce a product mix that is further reacted with a boron-containing compound, particularly boric acid, to provide a fuel additive that has good detergent properties and is particularly non-corrosive.
    Type: Grant
    Filed: January 20, 1984
    Date of Patent: March 19, 1985
    Assignee: Phillips Petroleum Company
    Inventor: Alexander D. Schuettenberg
  • Corrosion inhibited motor fuel
    Patent number: 4505717
    Abstract: A novel fuel composition contains ethanol or methanol plus, as a corrosion inhibitor, a reaction product of a dialkyl amine and an isatoic anhydride, further reacted with a alkoxyalkyl amine.
    Type: Grant
    Filed: June 25, 1984
    Date of Patent: March 19, 1985
    Assignee: Texaco Inc.
    Inventor: Rodney L. Sung
  • Corrosion inhibited motor fuel
    Patent number: 4504279
    Abstract: A novel fuel composition contains ethanol methanol or gasohol plus, as a corrosion inhibitor, a reaction product of isatoic anhydride and a t-alkyl primary amine which has been further reacted with an alkoxyalkylaminoalkyl amine.
    Type: Grant
    Filed: July 9, 1984
    Date of Patent: March 12, 1985
    Inventor: Rodney L. Sung
  • Coal-water fuel slurries and process for making same
    Patent number: 4504277
    Abstract: Coal-water fuel slurries having long-term storage stability and improved viscosities and comprising finely-divided coal within efficient combustion size range, water, and minor amounts of ammonium salt organic dispersant and alkaline earth metal salt organic dispersant, and process for making such slurries.
    Type: Grant
    Filed: April 13, 1983
    Date of Patent: March 12, 1985
    Assignee: Atlantic Research Corporation
    Inventor: Robert S. Scheffee
  • Fuel additives from SO.sub.2 treated mixtures of amides and esters derived from vegetable oil, tall oil acid, or aralkyl acid
    Patent number: 4504280
    Abstract: (1) Vegetable oils, particularly soybean oil (2) tall oil acid, or (3) aralkyl acids, particularly phenylstearic acid, are reacted with multiamines, particularly tetraethylenepentamine, to form a product mixture for subsequent reaction with SO.sub.2 to produce a product mix that has good detergent properties in fuels.
    Type: Grant
    Filed: June 27, 1984
    Date of Patent: March 12, 1985
    Assignee: Phillips Petroleum Company
    Inventors: Howard F. Efner, Sidney Schiff
  • Corrosion inhibited motor fuel
    Patent number: 4504278
    Abstract: A novel fuel composition contains ethanol or methanol plus, as a corrosion inhibitor, a reaction product of a secondary amine, an isatoic anhydride and a (C.sub.10 -C.sub.14 alkoxy)-n-alkyl primary amine.
    Type: Grant
    Filed: June 27, 1984
    Date of Patent: March 12, 1985
    Assignee: Texaco Inc.
    Inventor: Rodney L. Sung
  • Motor fuel
    Patent number: 4501596
    Abstract: Oxazolines, oxazoles and their derivatives blend into gasoline at high octane value.
    Type: Grant
    Filed: December 28, 1983
    Date of Patent: February 26, 1985
    Assignee: Phillips Petroleum Company
    Inventor: Lyle D. Burns
  • Detergent fuel composition containing alkenylsuccinimide oxamides
    Patent number: 4501597
    Abstract: The detergent properties of a motor fuel are improved by incorporating therein a minor amount of a succinimide oxamide prepared by reacting a polyalkyleneamine succinimide with an amount of oxalic acid sufficient to react with at least 30 percent of the reactive nitrogen moieties on the succinimide chain.
    Type: Grant
    Filed: July 2, 1984
    Date of Patent: February 26, 1985
    Assignee: Texaco Inc.
    Inventors: Thomas J. Karol, Rodney L. Sung
  • Middle distillate fuel oil of improved storage stability containing condensate of Mannich base and alkenyl succinic acid anhydride
    Patent number: 4501595
    Abstract: Diesel oil of improved storage stability contains condensate of tetraethylenepentamine; paraformaldehyde; 2,6-di-t-butyl phenol; and polyisobutenyl succinic acid anhydride.
    Type: Grant
    Filed: May 25, 1984
    Date of Patent: February 26, 1985
    Assignee: Texaco Inc.
    Inventors: Rodney L. Sung, Thomas J. Karol
  • Additive for Otto cycle engines and fuel mixture so obtained
    Patent number: 4499267
    Abstract: The additive for Otto cycle engines according to the present invention consists of a mixture of water, ethanol, methanol and butanol to which is added a determined quantity of a liquid obtained by pressing prickly pear leaves. Added in a small percentage to the fuel, gasoline, LP or methane, this additive prevents the oxidation associated with the use of water and/or alcohols in Otto cycle engines, lowers fuel consumption and allows the use of low octane fuel.
    Type: Grant
    Filed: October 21, 1983
    Date of Patent: February 12, 1985
    Inventor: Mario Scifoni
  • Azo dyestuffs
    Patent number: 4497736
    Abstract: Azo dyestuffs of the formula ##STR1## wherein R.sub.1 represents H or --A--VR.sub.2 represents, inter alia, H, alkyl, chloroalkyl, cyanoalkyl, phenyl, phenalkyl, cyclohexyl or alkylcarbonyl,R.sub.3 and Z represent H, alkyl or halogen,R.sub.4 represents R.sub.3, alkoxy or CN,R.sub.5 represents, inter alia, NO.sub.2, CN, CF.sub.3 or alkylsulphonyl,R.sub.6 represents R.sub.4, CF.sub.3, CN or NO.sub.2,A represents alkyleneV represents H, alkoxy, CN, Cl, phenyl, phenoxy, alkylcarbonyl or alkoxycarbonyl,W represents CO or SO.sub.2,Y represents H, alkyl, alkoxy, NH.sub.2 or hydroxyalkyl andm represents 4, 5, 6 or 7,mixed with emulsifiers give dyestuff formulations which are in the liquid or dissolved form under dyeing conditions. The use of additional dispersing agents, protective colloids, levelling agents and carriers during the dyeing of polyester fibres thereby becomes superfluous.
    Type: Grant
    Filed: November 17, 1978
    Date of Patent: February 5, 1985
    Assignee: Bayer Aktiengesellschaft
    Inventors: Winfried Kruckenberg, Karl H. Schundehutte
  • Isopropylidene malonate-N-alkyl alkylenediamine condensation products
    Patent number: 4496368
    Abstract: Novel condensation products of N-alkyl-alkylenediamines and isopropylidene malonate are prepared by refluxing the reactants in solvents inert to the reactants, removing this solvent and extracting the reaction system with an inert solvent such as xylene.
    Type: Grant
    Filed: June 17, 1983
    Date of Patent: January 29, 1985
    Assignee: Texaco Inc.
    Inventors: Benjamin J. Kaufman, Rodney L. Sung
  • Increasing the cetane number of diesel fuel by partial oxidation _
    Patent number: 4494961
    Abstract: The invention provides a method for increasing the cetane number of a low hydrogen content, highly aromatic distillate fuel by subjecting it to catalytic partial oxidation. Catalysts employed include transition metal oxides alone or in conjuction with alkali metal or alkaline earth metal compounds. Partial oxidation in accordance with the method of this invention not only results in cetane number improvement, but also allows a higher concentration of aromatic substituents in the fuel blend.
    Type: Grant
    Filed: June 14, 1983
    Date of Patent: January 22, 1985
    Assignee: Mobil Oil Corporation
    Inventors: Chaya Venkat, Dennis E. Walsh
  • Method for improving cold flow of fuel oils
    Patent number: 4491455
    Abstract: The cold flow of fuel oils is improved by adding esters of nitrogen-containing compounds having polyhydroxyl groups with linear saturated fatty acids or a combination of said esters and polymers of one or more monomers selected from the group consisting of olefins, alkyl esters of ethylenically unsaturated carboxylic acids and vinyl esters of saturated fatty acids to fuel oils.
    Type: Grant
    Filed: September 21, 1982
    Date of Patent: January 1, 1985
    Assignee: Nippon Oil and Fats Co., Ltd.
    Inventors: Takaharu Ishizaki, Takeshi Nagai, Shingo Yamazaki
  • Mannich reaction products of diaminopropanes with formaldehyde and salicyclic acids
    Patent number: 4490155
    Abstract: The Mannich reaction products of certain diaminopropanes with formaldehyde and salicylic acids are potent carburetor detergents and corrosion inhibitors in hydrocarbon fuels, particularly in gasoline.
    Type: Grant
    Filed: August 17, 1983
    Date of Patent: December 25, 1984
    Assignee: Texaco Inc.
    Inventor: Benjamin J. Kaufman
  • Rapid production of ispropenyl esters
    Patent number: 4488996
    Abstract: Isopropenyl esters are prepared rapidly by reacting for about ten minutes at about 120.degree. C. and a pressure of about 400 pounds per square inch a fatty acid and propyne in the presence of loaded zeolite catalyst.
    Type: Grant
    Filed: September 29, 1982
    Date of Patent: December 18, 1984
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventor: Samuel Serota
  • Solid fuel oil mixtures
    Patent number: 4484929
    Abstract: Fuel composition comprises (a) 15 to 60% be weight, preferably 40 to 55%, of a friable solid fuel, e.g. coal, (b) a stabilizing additive composition and (c) a fuel oil. The additive comprises the combination of a polymer containing functional groups, e.g., maleinized polybutadiene, and a surfactant. The composition is suitable for use as a liquid fuel for industrial burners.
    Type: Grant
    Filed: October 5, 1982
    Date of Patent: November 27, 1984
    Assignee: The British Petroleum Company p.l.c.
    Inventors: Paul R. Rutter, Christopher J. Veal
  • Fuel Compositions
    Patent number: 4482357
    Abstract: Coking in and around the injector nozzles of indirect injection compression ignition engines is reduced by means of distillate fuel with which has been blended suitable concentrations of:(a) hydrocarbyl-substituted succinimide,(b) hydrocarbyl amine having from 3 to 60 carbons and from 1 to 10 nitrogens, and(c) N,N'-disalicylidene-1,2-diaminopropane.Also described are additive mixtures of (a), (b) and (c) for use in distillate fuels in amounts sufficient to reduce the coking tendencies of such fuels when used in the operation of indirect injection compression ignition engines.
    Type: Grant
    Filed: December 30, 1983
    Date of Patent: November 13, 1984
    Assignee: Ethyl Corporation
    Inventor: J. Vincent Hanlon
  • Diesel fuel containing alkenyl succinimide
    Patent number: 4482356
    Abstract: Coking in and around the injector nozzles of indirect injection compression ignition engines is reduced by means of distillate fuel with which has been blended suitable concentrations of:(a) organic nitrate ignition accelerator, and(b) hydrocarbyl-substituted succinimide.Also described are additive mixtures of (a) and (b) for use in distillate fuels in amounts sufficient to reduce the coking tendencies of such fuels when used in the operation of indirect injection compression ignition engines.
    Type: Grant
    Filed: December 30, 1983
    Date of Patent: November 13, 1984
    Assignee: Ethyl Corporation
    Inventor: J. Vincent Hanlon