Patents Examined by Y. Harris-Smith
  • Diesel fuel
    Patent number: 4447246
    Abstract: An improvement in the cetane number of diesel fuels is achieved through the addition of a small, but effective, amount of a dithiocarbamate or a sulfonamide.
    Type: Grant
    Filed: May 16, 1983
    Date of Patent: May 8, 1984
    Assignee: Phillips Petroleum Company
    Inventors: Clifford E. Smith, Harold W. Mark, Rector P. Louthan, Howard F. Efner
  • Motor fuel
    Patent number: 4445909
    Abstract: Liquid hydrocarbon fuel compositions are provided containing antiknock quantities of ashless antiknock agents comprising selected primary diamines.
    Type: Grant
    Filed: October 24, 1980
    Date of Patent: May 1, 1984
    Assignee: Phillips Petroleum Company
    Inventor: Lyle D. Burns
  • Alcohol composition stabilized against corrosion by the use of an amino tetrazole
    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
  • Extracting alcohols from aqueous solutions
    Patent number: 4445908
    Abstract: Hydrocarbon and surfactants are contacted with a solution of alcohol and water to extract the alcohol into the hydrocarbon-surfactant mixture.
    Type: Grant
    Filed: December 2, 1981
    Date of Patent: May 1, 1984
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: Alicia L. Compere, John M. Googin, William L. Griffith
  • Method and fuel composition for control of octane requirement increase
    Patent number: 4444565
    Abstract: The control of the octane requirement increase phenomenon in a spark ignition internal combustion engine is achieved by introducing with the combustion charge a fuel composition containing an octane requirement increase-inhibiting amount of (a) an oil-soluble iron compound and (b) carboxylic acids and/or certain derivatives thereof. In particular the esters of a tertiary alcohol and an unsubstituted, mono-carboxylic acid having at least two carbon atoms, e.g., t-butylacetate, in combination with dicyclopentadienyl iron provides an effective octane requirement increase-inhibiting additive for unleaded gasoline.
    Type: Grant
    Filed: December 20, 1982
    Date of Patent: April 24, 1984
    Assignee: Union Oil Company of California
    Inventor: Michael C. Croudace
  • Motor fuel composition containing an ashless antiknock agent
    Patent number: 4444567
    Abstract: Liquid hydrocarbon fuel compositions are provided containing antiknock quantities of ashless antiknock agents comprising selected alkoxy-substituted benzaldehydes and alkoxy-substituted benzoic esters.
    Type: Grant
    Filed: March 31, 1983
    Date of Patent: April 24, 1984
    Assignee: Phillips Petroleum Company
    Inventors: Lyle D. Burns, Robert M. Parlman
  • Stabilized middle distillate fuel composition
    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
  • Sulphur dyestuffs
    Patent number: 4443369
    Abstract: Sulphur dyestuffs which can be obtained by sulphurizing, in a manner which is in itself known, the residual mixtures obtained on dinitrating anthraquinone or on dinitrating by-products from the preparation of 1-nitroanthraquinone and partially isolating 1,5- and 1,8- and, if appropriate, 1,6- and 1,7-dinitroanthraquinones, optionally after prior reduction and/or hydroxylation and/or introduction of nitro groups, and their use in dyeing cellulose or material containing cellulose.
    Type: Grant
    Filed: July 20, 1981
    Date of Patent: April 17, 1984
    Assignee: Bayer Aktiengesellschaft
    Inventors: Helmut Seidler, Manfred Soll, Klaus Wunderlich
  • Stabilized slurry and process for preparing same
    Patent number: 4441887
    Abstract: A stable slurry containing carbonaceous solid material (such as coal or coke) carrier liquid (such as water or oil), and dispersing agent is disclosed. Also disclosed is a method of preparing the slurry by grinding a carbonaceous solid material at a high solids content of at least 60 volume percent to generate at least 5 weight percent of colloidal carbonaceous particles and mixing the carbonaceous solid material so ground with carrier liquid and dispersing agent until a slurry with specified properties is produced. A method of stabilizing a carbonaceous solid material-liquid slurry by adding to the slurry either fine carbonaceous solid material and/or dispersing agent and/or stabilizer is also disclosed.
    Type: Grant
    Filed: May 5, 1982
    Date of Patent: April 10, 1984
    Assignee: Alfred University Research Foundation Inc.
    Inventor: James E. Funk
  • Method for stabilizing a slurry of finely divided particulate solids in a liquid
    Patent number: 4440543
    Abstract: A method for stabilizing a slurry of finely divided particulate solids in a liquid, the method consisting essentially of dispersing from about 1 to about 10 weight percent, based on the particulate solids, finely divided wood particles in the slurry, thereby improving the stability of the slurry.
    Type: Grant
    Filed: August 10, 1981
    Date of Patent: April 3, 1984
    Assignee: Conoco Inc.
    Inventor: J. Paul Echtler
  • Process for the conversion of ground hydrous lignite into a pumpable dehydrated suspension of fine-ground lignite and oil
    Patent number: 4440544
    Abstract: A method for producing a pumpable suspension in oil of dehydrated, finely-ground lignite is disclosed. The method involves mixing hydrous, ground lignite with an oil and gasoline, grinding the lignite in the mixer so that substantially all the particles are finer than 2 mm, heating and pressurizing this suspension which results to a temperature in the range of 190.degree. to 240.degree. C.
    Type: Grant
    Filed: May 21, 1982
    Date of Patent: April 3, 1984
    Assignee: Uhde GmbH
    Inventors: Friedrich Honolke, Adrian Brandl, Eduard Schibilla, Gerhard Hohne
  • Gasohol having corrosion inhibiting properties
    Patent number: 4440545
    Abstract: Liquid fuels for use in internal combustion engines comprising (i) a major fraction of hydrocarbons boiling in the gasoline boiling range, (ii) a minor amount of ethanol, and (iii) a corrosion inhibiting amount of a hydrocarbyl succinic acid or anhydride having from about 8 to 30 carbon atoms.
    Type: Grant
    Filed: November 2, 1981
    Date of Patent: April 3, 1984
    Assignee: Ethyl Corporation
    Inventor: Charles F. Weidig
  • Antiknock additive compositions and unleaded gasoline containing same
    Patent number: 4437436
    Abstract: A method of operating a spark ignition internal combustion engine with unleaded gasoline is disclosed wherein methylcyclopentadienyl manganese tricarbonyl (MMT) is used as a primary antiknock compound and from about 5 to about 60 moles of benzoylacetone or methyl benzoylacetone per mole of manganese is used as a co-antiknock compound. These co-antiknock compounds are particularly suitable because they do not react with wet rusted steel in gasoline distribution systems, nor with terneplate surface coatings in automobile fuel storage tanks.
    Type: Grant
    Filed: October 4, 1982
    Date of Patent: March 20, 1984
    Assignee: Shell Oil Company
    Inventors: L. B. Graiff, John L. Laity
  • Stabilizer for mixed fuels
    Patent number: 4436527
    Abstract: A stabilizer for mixed fuels containing a reaction product obtained by reacting (1) a polyol having at least 3 hydroxyl groups in the molecule and a molecular weight of 400-10,000 with (2) an epihalohydrin, as the principal component.
    Type: Grant
    Filed: September 10, 1981
    Date of Patent: March 13, 1984
    Assignees: Kao Soap Co., Ltd., Lion Corporation, Nippon Oil and Fats Co., Ltd.
    Inventors: Masaaki Yamamura, Taizo Igarashi, Toshiyuki Ukigai
  • Furnace fuel
    Patent number: 4435185
    Abstract: A significant improvement in the combustion properties of liquid hydrocarbon furnace fuel, perceived as a marked reduction in the rate and quantity of tarry, cokelike deposits formed on combustion of the fuel in conventional burner equipment, is obtained by adding to said fuel from about 1.0.times.10.sup.-6 to about 1.0.times.10.sup.-3 parts by weight of at least one isomer of dinitrotoluene. Optionally, combustion deposit formation can be further inhibited by the addition of at least one metal acetylacetonate to furnace fuel containing dinitrotoluene in the aforesaid amount.
    Type: Grant
    Filed: October 1, 1979
    Date of Patent: March 6, 1984
    Assignee: Horizon Chemical, Inc.
    Inventors: Thomas C. Kenny, John P. Plunkett
  • Situ process for making multifunctional fuel additives
    Patent number: 4433977
    Abstract: Disclosed is an in situ or "one pot" process for making a fuel additive comprising reacting an excess of at least one N-primary alkylalkylene diamine with maleic anhydride in the presence of from 20 to 36 weight percent of a mineral oil reaction diluent at a temperature ranging from ambient to about 225.degree. F. and recovering a product containing a primary aliphatic hydrocarbon amino alkylene substituted asparagine, an N-primary alkylalkylene diamine in the reaction oil with the product having a by-product succinimide content not in excess of 1.0 weight percent, based on the weight of asparagine present.
    Type: Grant
    Filed: September 21, 1981
    Date of Patent: February 28, 1984
    Assignee: Texaco Inc.
    Inventors: Robert C. Carrier, Billy R. Allen
  • Fuel for combustion engines
    Patent number: 4432308
    Abstract: The subject invention involves providing a novel fluid or liquid fuel for combustion engines.
    Type: Grant
    Filed: November 24, 1980
    Date of Patent: February 21, 1984
    Assignee: Erad Inc.
    Inventor: Peter J. Sullivan
  • Composition containing a water soluble alcohol and a corrosion inhibiting additive
    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
  • Scavenging additive for leaded automotive fuel and method of using same
    Patent number: 4430092
    Abstract: A highly effective scavenging additive to a leaded automotive fuel which is substantially free of carcinogenic properties comprises tribromo methane or mixtures of tribromo methane and trichloro methane.
    Type: Grant
    Filed: January 11, 1982
    Date of Patent: February 7, 1984
    Inventor: Walter Rosenthal
  • Diesel fuel additive
    Patent number: 4430093
    Abstract: The invention relates to a novel compound comprising the reaction product of a benzophenonetetracarboxylic dianhydride or a benzophenonetetracarboxylic acid, in particular, 3,3'4,4'-benzophenonetetracarboxylic dianhydride, and a polyol, and the use of this novel compound as a stabilizer for middle distillate fuels extended with non-petroleum distillates.
    Type: Grant
    Filed: September 27, 1982
    Date of Patent: February 7, 1984
    Assignee: Texaco Inc.
    Inventors: Robert H. Jenkins, Jr., William M. Sweeney