Patents Examined by Prince E. Willis
  • Patent number: 5034142
    Abstract: The addition of a metal alkoxyalkylxanthate, a dixanthogen, and a metal thiophosphate to a lubricating oil results in a synergistic improvement in the antiwear performance of the oil. Nickel ethoxyethylxanthate, diethoxyethyl dixanthogen, and zinc dialkyldithiophosphate are particularly preferred additives.
    Type: Grant
    Filed: September 7, 1989
    Date of Patent: July 23, 1991
    Assignee: Exxon Research and Engineering Company
    Inventors: Jacob J. Habeeb, Gopal H. Singhal
  • Patent number: 5034159
    Abstract: Adducts of ethylene oxide and/or propylene oxide with saturated and/or unsaturated C.sub.8-22 fatty alcohols having an average degree of alkoxylation n of 1 to 10, and more especially 1 to 6, are particularly suitable as thickeners for aqueous surfactant solutions when the adducts have a narrow homolog distribution compared with the products obtained by standard methods.
    Type: Grant
    Filed: May 22, 1989
    Date of Patent: July 23, 1991
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Holger Tesmann, Hermann Hensen, Wolfgang Hochschon, Uwe Ploog, Ansgar Behler
  • Patent number: 5032309
    Abstract: A functional fluid comprising:1) a base fluid selected from one or more ofi) a phosphate fluid andii) a carboxylic acid ester; andb) as a hydrolytic stabilizer, at least one compound of the formula IA-NHC(=X)NHZ (1)wherein A is C.sub.3 -C.sub.18 alkenyl, C.sub.6 -C.sub.10 aryl or C.sub.7 -C.sub.13 alkaryl; X is oxygen; and Z is hydrogen.
    Type: Grant
    Filed: February 5, 1990
    Date of Patent: July 16, 1991
    Assignee: Ciba-Geigy Corporation
    Inventor: Peter Miles
  • 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: 5032303
    Abstract: A method in the processing of aluminum is disclosed, wherein oil from a supply is sprayed onto the aluminum which is processed, whereafter it is collected and passed through a filter and then back to the supply. According to the invention the oil which is used is one which as an additive contains a flocculant selected from the group consisting of dicarboxylic acids having the general formula: HOOC--A--COOH, wherein A is a straight or branched alkylene group of 5-14 carbon atoms or phenylene. The invention also comprises the use of a dicarboxylic acid having the above formula as a flocculant in an oil for the processing of aluminum.
    Type: Grant
    Filed: October 10, 1989
    Date of Patent: July 16, 1991
    Assignee: Nynas Industri AB
    Inventor: Ulf Bondpa
  • Patent number: 5032300
    Abstract: The present invention provides lubricant compositions comprising a lubricant base and, as metal deactivator and/or antioxidant, at least one compound having the formula (I): ##STR1## wherein R.sub.2 is C.sub.1 -C.sub.12 straight or branched chain alkyl; andR.sub.3 is C.sub.1 -C.sub.12 straight or branched chain alkyl interrupted by one or more O-atoms or R.sub.3 is C.sub.5 -C.sub.12 cycloalkyl.
    Type: Grant
    Filed: October 12, 1989
    Date of Patent: July 16, 1991
    Assignee: Ciba-Geigy Corporation
    Inventor: Robert M. O'Neil
  • Patent number: 5032306
    Abstract: A blend of refrigerant with at least one fluorinated hydrocarbon, comprising at least one graft of a perfluoroalkene or a perfluoroalkylvinyl ether onto at least one hydrocarbon having at least four (4) carbon atoms, the number of carbon atoms in the hydrocarbon and the number of grafts of the perfluoro compound being such as to provide a lubricant which has an SUS viscosity at 100.degree. F. of at least 50 and a pour point of less than about -10.degree. C. is disclosed for use in compression refrigeration.
    Type: Grant
    Filed: July 20, 1990
    Date of Patent: July 16, 1991
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Harry N. Cripps
  • Patent number: 5030370
    Abstract: The novel compositions of the present invention comprise (A) lubricating oil and (B) at least one amino-substituted polymer (e.g., an ethylene alpha-olefin interpolymer substituted by primary amino or secondary amino groups). Preferred amino-substituted interpolymers comprise amino-substituted ethylene propylene norbornene terpolymers. The polymers of this invention are oil soluble and are useful as viscosity index improver dispersants in oleaginous compositions.
    Type: Grant
    Filed: March 8, 1990
    Date of Patent: July 9, 1991
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Abhimanyu O. Patil, Sudhin Datta, John B. Gardiner, Robert D. Lundberg
  • Patent number: 5030367
    Abstract: Disclosed herein is a water-dispersion-type hot-rolling lubricant for the production of seamless steel pipes. This lubricant features the inclusion of a salt of a polybasic high molecular acid in addition to fine graphite powder, a water-insoluble fine particulate synthetic resin and water as principal components and fine gilsonite powder as an optional component. Even when the surface temperature of a mandrel bar is in a high temperature range of 100.degree.-400.degree. C., this lubricant can form a uniform and thick coating film on the surface of the bar so that the lubricant can exhibit extremely good hot-rolling lubrication performance.
    Type: Grant
    Filed: August 30, 1989
    Date of Patent: July 9, 1991
    Assignees: Nippon Kokan Kabushiki Kaisha, Yushiro Chemical Industry Co., Ltd.
    Inventors: Megumu Tanaka, Koji Sakura, Tatsuharu Oda, Tomoyuki Hirakawa, Yasuhiro Sotani, Fuyuhiko Kajiyama, Noboru Kanda, Hiroo Hosono, Toshitaka Wakabayashi, Hitoshi Hasegawa
  • Patent number: 5030368
    Abstract: Disclosed are products derived from the reaction of amine or metal salts of N,N-diorganodithiocarbamic acids with organo phosphorus halides. These compositions are useful as antioxidants and antiwear additives in lubricating oil compositions.
    Type: Grant
    Filed: August 24, 1988
    Date of Patent: July 9, 1991
    Assignee: Mobil Oil Corporation
    Inventor: Abraham O. M. Okorodudu
  • Patent number: 5028403
    Abstract: Metals selected from the group consisting of zinc (II), cadmium (II), nickel (II), cobalt (II), manganese (II), iron (III) and copper (II) from aqueous solutions containing the same are extracted therefrom by contacting said solution with an extractant having the formula ##STR1## wherein R and R.sup.1 are, individually, selected from the group consisting of substituted or unsubstituted alkyl, cyloalkyl, alkoxyalkyl, alkylcycloalkyl, aryl, alkaryl, aralkyl and cycloalkylaryl radicals having 2-24 carbon atoms and X is hydrogen, ammonium or an alkali or alkaline earth metal salt-forming radical.
    Type: Grant
    Filed: February 5, 1990
    Date of Patent: July 2, 1991
    Assignee: American Cyanamid Company
    Inventors: William A. Rickelton, Allan J. Robertson
  • Patent number: 5028353
    Abstract: A mild complexion soap bar comprising soap and an ethoxylated surfactant with an alkyl chain length of eight or more carbon atoms that act in a synetgistic relationship to reduce skin redness dryness, tightness, and roughness when used in hard water.
    Type: Grant
    Filed: October 7, 1988
    Date of Patent: July 2, 1991
    Assignee: Colgate-Palmolive Company
    Inventors: Frederick A. Simion, Robert V. Cantore, Rair Subramanyam, Domenico Masucci
  • Patent number: 5028345
    Abstract: Lubricant compositions comprising an oil of lubricating viscosity and a cosulfurized blend of (a) a carboxylic acid ester material and (b) an ester, amide, ester-amide or fatty amine derivative which contains at least one polar substituent group such as amino and hydroxyl.
    Type: Grant
    Filed: January 31, 1989
    Date of Patent: July 2, 1991
    Assignee: Ethyl Petroleum Additives, Inc.
    Inventors: Armgard K. Everett, Edmund F. Perozzi
  • Patent number: 5026507
    Abstract: A paper additive of high whiteness and low biological toxicity comprising a whitening amount of a compound of the formula ##STR1## wherein R is H or (C.sub.1 -C.sub.6)alkyl R' is independently H or (C.sub.1 -C.sub.6)alkyl, R" is H or NR'.sub.n, and n is 2 or 3, wherein if n=3 the compound further comprises X.sup.-, wherein X.sup.- is an anion.A paper of high whiteness and low biological toxicity is coated or filled with the above additive, and a food product is packaged with the paper of this invention.
    Type: Grant
    Filed: May 4, 1989
    Date of Patent: June 25, 1991
    Assignee: Westvaco Corporation
    Inventors: John W. Gowan, Jr., David K. Lo
  • Patent number: 5026400
    Abstract: Narrow range ethoxylate nonionic detergents, in combination with coil release promoting polyethylene terephthalate-polyoxyethylene terephthalate (PET-POET) copolymer (in place of broad range ethoxylate nonionic detergent and PET-POET copolymer) are of significantly and unexpectedly improved soil release promoting activity in built synthetic organic detergent compositions, of either the phosphate-built or non-phosphate-built types. Preferably, there will be present with the PET-POET copolymer a stabilizing proportion of polyacrylate, to stabilize the PET-POET copolymer against deterioration and loss of soil release promoting activity on storage at elevated temperature, especially when in contact with alkaline components of the detergent composition. The improved soil release promoting activity is most pronounced when the laundry to be washed and treated is subjected to repeated launderings with the invented compositions in cold water and when it includes polyester-containing fibrous materials.
    Type: Grant
    Filed: December 4, 1989
    Date of Patent: June 25, 1991
    Assignee: Colgate-Palmolive Company
    Inventors: Richard J. Holland, Charles Buda
  • Patent number: 5026492
    Abstract: The addition of an alkyl alkoxyalkylxanthate and a metal thiophosphate to a lubricating oil results in an unexpected synergistic improvement in the antiwear performance of the oil. Butyl ethoxyethylxanthate and zinc dialkyldithiophosphate are most preferred additives.
    Type: Grant
    Filed: September 7, 1989
    Date of Patent: June 25, 1991
    Assignee: Exxon Research & Engineering Company
    Inventors: Gopal H. Singhal, Jacob J. Habeeb
  • Patent number: 5024678
    Abstract: Process for the prevention of reduction of deposits in carburetors, injection devices or similar devices of engines, which are operated with alcohol fuels comprising 99.9 to 75 Vol.-% methanol, ethanol or a mixture thereof and at least one corrosion inhibitor characterized in that one or several polyol ethers are added to the alcohol fuels in a quantity of 15 ppm up to 1 weight-%, whereby the polyol ether(s) has (have) the general formula ##STR1## wherein R is H, linear or branched C.sub.1 -C.sub.20 -alkyl, C.sub.1 -C.sub.20 -alkenyl, polyunsaturated C.sub.1 -C.sub.20 - alkyl, C.sub.1 -C.sub.20 - cycloalkyl, mono- or bicyclo-C.sub.6 -C.sub.14 -aryl, unsubstituted or substituted, R.sub.1 is H, C.sub.1 -C.sub.8 -alkyl, unsubstituted or substituted aryl, R.sub.2 is H, C.sub.1 -C.sub.8 -alkyl, unsubstituted or substituted aryl, and R.sub.3 is OR.sub.5, SR.sub.5, N(R.sub.5).sub.2, wherein R.sub.5 is H, linear or branched C.sub.1 -C.sub.20 -alkyl, C.sub.1 -C.sub.20 -cycloalkyl, mono- and bicyclo-C.sub.6 -C.sub.
    Type: Grant
    Filed: April 5, 1988
    Date of Patent: June 18, 1991
    Assignee: DEA Mineralol Aktiengesellschaft
    Inventors: Dagmar Mertens-Gottselig, Hartmut Hammer, Heinrich Muller, Manfred Wildersohn
  • Patent number: 5024774
    Abstract: This invention describes compositions containing nitrogen, sulfur and optionally oxygen which are useful as antioxidants for lubricants.
    Type: Grant
    Filed: August 10, 1989
    Date of Patent: June 18, 1991
    Assignee: The Lubrizol Corporation
    Inventor: Mary F. Salomon
  • Patent number: 5024775
    Abstract: Liquid mixtures of alkyl phenols composed of from 1 to 8 wt % 2-tert-butylphenol; from 4 to 12 wt % of 2,6-di-tert-butylphenol; from 4 to 12 wt % of 2-tri-tert-butylphenol; and from 65 to 80 wt % of 2,6-di-tert-butyl-4-n-butylphenol have a balance of properties rendering them ideally suited for use as stabilizers for middle distillate fuels. Such mixtures can be readily produced by an aldehyde-catalyzed alkylation procedure using n-butanol, an appropriate mixture of tertiary butylated phenols, and a strong base (e.g., NaOH, KOH, etc.).
    Type: Grant
    Filed: November 6, 1989
    Date of Patent: June 18, 1991
    Assignee: Ethyl Corporation
    Inventors: J. Vincent Hanlon, Scott A. Culley
  • Patent number: 5024776
    Abstract: A thixotropic liquid machine dishwashing composition is provided structured essentially by a surfacant system comprising a non-soap anionic active and soap, where the total electrolyte level in the composition is greater than 20% by weight and the anionic and soap are present in relative amounts of from 4:1 to 1:4.
    Type: Grant
    Filed: October 10, 1990
    Date of Patent: June 18, 1991
    Assignee: Lever Brothers Company, Division of Conopco, Inc.
    Inventor: Pieter H. Kreischer