Patents Represented by Attorney Ronald R. Reper

Find this attorney in the Justia Lawyer Directory

  • Dithiophosphoric acids and salts thereof and oil compositions containing the salts
    Patent number: 4212751
    Abstract: Novel esters of dithiophosphoric acid and secondary alcohols having two beta quaternary carbon atoms, and salts of such esters suitable as additives in oil compositions are disclosed.
    Type: Grant
    Filed: March 6, 1978
    Date of Patent: July 15, 1980
    Assignee: Shell Oil Company
    Inventors: Hendrik Schadenberg, Corrie M. J. Leenaars, Aaldert J. de Jong
  • Crystalline silicates and process of preparation
    Patent number: 4208305
    Abstract: Novel crystalline silicates which in dehydrated form having the composition in terms of moles of the oxides: (1.0.+-.0.3) (R).sub.2/n O. [a Fe.sub.2 O.sub.3. b Al.sub.2 O.sub.3. c Ga.sub.2 O.sub.3. y(dSiO.sub.2. eGeO.sub.2)], wherein R is one or more mono- or bivalent cations and a, b, c, d, e, y and n are as defined hereinafter are disclosed. The thermally stable silicates are suitably employed as extracting agents, drying agents, ion exhange agents, catalysts and catalyst carriers.
    Type: Grant
    Filed: December 7, 1977
    Date of Patent: June 17, 1980
    Assignee: Shell Oil Company
    Inventors: Herman W. Kouwenhoven, Willem H. J. Stork
  • Process for the preparation of gas oil
    Patent number: 4201659
    Abstract: A process is disclosed for the conversion of asphaltines-containing mineral hydrocarbon oil to distillate gas oil by a processing sequence comprising thermal cracking, flashing, atmospheric fractionation, vacuum fractionation, thermal cracking, catalytic cracking or hydrocracking, and atmospheric fractionation with certain recycle of intermediate streams to achieve efficient, economic operations.
    Type: Grant
    Filed: May 29, 1979
    Date of Patent: May 6, 1980
    Assignee: Shell Oil Company
    Inventors: Pieter B. Kwant, Dirk Kanbier, Petrus W. H. L. Tjan, Mohammed Akbar
  • Process for the preparation of gas oil
    Patent number: 4200519
    Abstract: A process for the preparation of gas oil from residual oils by combination of two stages of thermal cracking, cyclone separation, vacuum distillation, deasphalting, atmospheric distillation, and recycling of certain streams.
    Type: Grant
    Filed: May 29, 1979
    Date of Patent: April 29, 1980
    Assignee: Shell Oil Company
    Inventors: Pieter B. Kwant, Dirk Kanbier, Petrus W. H. L. Tjan, Mohammed Akbar
  • Cracking catalyst restoration with boron compounds
    Patent number: 4192770
    Abstract: A process for restoring selectivity of cracking catalysts which are contaminated with metals during cracking operations which comprises contacting the catalyst with at least one boron compound for a time sufficient to restore selectivity of the catalyst.
    Type: Grant
    Filed: May 24, 1978
    Date of Patent: March 11, 1980
    Assignee: Shell Oil Company
    Inventor: David M. Singleton
  • Process for preparing hydrocarbons
    Patent number: 4183801
    Abstract: A process for preparing light distillate fractions and medicinal oil from heavy hydrocarbon oils comprises two-stage hydrocracking, fractionation distillation and catalytic hydrotreatment of at least part of the fractionation residue.
    Type: Grant
    Filed: November 13, 1978
    Date of Patent: January 15, 1980
    Assignee: Shell Oil Company
    Inventors: Jacobus H. Breuker, Hubertus N. H. DeHaan, Pieter B. Kwant
  • Hydrothermal treatment of silica
    Patent number: 4166047
    Abstract: A process is disclosed for suppressing the increase in specific average pore diameter which often occurs when a silica is subjected to a hydrothermal treatment, which includes the presence of one or more compounds of the elements lithium, potassium, sodium, rubidium, cesium, strontium or barium and which also includes in the hydrothermal treatment an added amount of at least one water-soluble titanium compound in an amount of about 0.1-5 grams per 100 grams of silica.
    Type: Grant
    Filed: November 14, 1977
    Date of Patent: August 28, 1979
    Assignee: Shell Oil Company
    Inventors: Radjasa Harsono, Willem H. J. Stork
  • Asphalt conversion
    Patent number: 4163707
    Abstract: A process is disclosed for catalytically hydroconverting asphalt in a first reactor in the presence of a hydrogenated middle distillate and hydrogen under conditions effecting both hydroconversion of the asphalt and dehydrogenation of said distillate, fractionating the reaction product into at least one distillate fraction and a residual fraction, catalytically hydrogenating the middle distillate fraction in a second reactor and circulating at least part of the second reaction product to the first reactor, and circulating hydrogenation catalyst between the first and second reactors.
    Type: Grant
    Filed: May 15, 1978
    Date of Patent: August 7, 1979
    Assignee: Shell Oil Company
    Inventors: Frans Goudriaan, Jakob VAN Klinken
  • Method and composition for inhibition or prevention of octane requirement increase
    Patent number: 4155718
    Abstract: The inhibition or prevention of octane requirement increase in a spark ignited internal combustion engine is achieved by introducing with the combustion charge a fuel composition containing an octane requirement increase-inhibiting amount of: (a) certain cyclomatic manganese compounds, (b) certain oil soluble aliphatic polyamines, and (c) oil of lubricating viscosity in certain range of weight ratio of (a):(b):(c).
    Type: Grant
    Filed: March 27, 1978
    Date of Patent: May 22, 1979
    Assignee: Shell Oil Company
    Inventor: Leonard B. Graiff
  • Fuel and lubricant compositions for inhibition or prevention of octane requirement increase
    Patent number: 4145297
    Abstract: The prevention or substantial reversal of octane requirement increase in a spark-ignited, internal combustion engine is achieved by introducing, with the combustion intake charge, a fuel and/or lubricant composition containing an octane requirement increase-inhibiting amount of a high surface area, solid acid catalyst having an average particle size in the range of about 0.01 to 10 microns and an average non-volatile surface acidity of about 1 or less, expressed as pKa value, said solid acid catalyst being essentially nonreactive with the fuel or lubricant prior to combustion and chemically and thermally stable under combustion conditions in the engine.
    Type: Grant
    Filed: October 11, 1977
    Date of Patent: March 20, 1979
    Assignee: Shell Oil Company
    Inventors: Anthony R. Gatti, James S. Hokanson, Kenzie Nozaki
  • Sulphurized material and a lubricant composition
    Patent number: 4134845
    Abstract: Sulphurized material suitable as an extreme pressure additive for lubricants is obtained by sulphurizing (a) at least one of (1) inedible tallow oil and (2) an alcoholysis product of (1), or (b) a mixture of (a) and an ester of an unsaturated fatty acid having 12-30 carbon atoms and an alkanol, said ester being different from said alcoholysis product.
    Type: Grant
    Filed: December 7, 1977
    Date of Patent: January 16, 1979
    Assignee: Shell Oil Company
    Inventor: Jamil M. Wakim
  • Process for the conversion of hydrocarbons
    Patent number: 4126538
    Abstract: Residual hydrocarbon stocks obtained after vacuum distillation are converted into light distillates by certain sequences of processing steps including vacuum distillation, deasphalting, hydrocracking, atmospheric distillation and catalytic hydrotreating.
    Type: Grant
    Filed: September 12, 1977
    Date of Patent: November 21, 1978
    Assignee: Shell Oil Company
    Inventors: Frans Goudriaan, Jakob Van Klinken
  • Process for the conversion of hydrocarbons in atmospheric crude residue
    Patent number: 4120778
    Abstract: A process is disclosed for the conversion of a hydrocarbon oil vacuum distillation residue to one or more atmospheric distillates by a processing sequence comprising vacuum fractionation, catalytic cracking or hydrocracking, atmospheric fractionation, hydrotreating, atmospheric fractionation, and vacuum fractionation with certain recycle of intermediate streams to achieve efficient, economic operation.
    Type: Grant
    Filed: September 9, 1977
    Date of Patent: October 17, 1978
    Assignee: Shell Oil Company
    Inventors: Frans Goudriaan, Jakob Van Klinken
  • Process for demetallizing of heavy hydrocarbons
    Patent number: 4116820
    Abstract: A process is disclosed for demetallizing heavy hydrocarbon oils, by contacting the oil at elevated temperature with acidified active carbon. The process is particularly useful as a pretreatment of the heavy hydrocarbons for subsequent catalytic processes which are impared by metals such as nickel and vanadium.
    Type: Grant
    Filed: June 29, 1977
    Date of Patent: September 26, 1978
    Assignee: Shell Oil Company
    Inventor: George C. Blytas
  • Textile fiber lubricant
    Patent number: 4111819
    Abstract: Textile fiber lubricants are disclosed comprising a major amount of (1) the reaction product of (a) at least one C.sub.1 to C.sub.10 alcohol, or (b) at least one C.sub.2 to C.sub.4 alkylene oxide with (c) at least one C.sub.2 to C.sub.4 alkylene oxide, and a minor amount of a polymer of an ethylenically unsaturated carboxylic acid.
    Type: Grant
    Filed: November 14, 1977
    Date of Patent: September 5, 1978
    Assignee: Shell Oil Company
    Inventor: Herman M. Muijs
  • Compounds containing both urea and urethane groups
    Patent number: 4102797
    Abstract: Novel compounds of the general formula: ##STR1## wherein R and R.sub.2 are hydrocarbyl groups, R.sub.1 is a hydrocarbylene group and R.sub.3 is hydrogen or a hydrocarbyl group, which groups R, R.sub.1, R.sub.2 and R.sub.3 may be substituted by or contain one or more heteroatoms or heterogroups, have utility as antioxidants for organic materials such as lubricating oils.
    Type: Grant
    Filed: May 3, 1976
    Date of Patent: July 25, 1978
    Assignee: Shell Oil Company
    Inventor: Hendrik Schadenberg
  • Lubricant compositions
    Patent number: 4101429
    Abstract: Lubricating oil compositions are provided which comprise: (A) a major amount of oil of lubricating viscosity, and (B) an effective amount dissolved therein of each of (1) a zinc primary dihydrocarbyl dithiophosphate; (2) a mixture of (a) certain dimeric acids and (b) the reaction product of a monocarboxylic acid, certain polyalkylene polyamines and an alkenyl succinic anhydride; and (3) a substantially neutral zinc salt of a dihydrocarbyl sulfonic acid. These lubricating oil compositions are useful as functional fluids in a variety of systems as coolants, hydraulic fluids, turbine oils, spindle oils and the like.
    Type: Grant
    Filed: July 21, 1977
    Date of Patent: July 18, 1978
    Assignee: Shell Oil Company
    Inventor: August H. Birke
  • Method for preparing fuel cell catalysts
    Patent number: 4081409
    Abstract: A catalyst for a fuel cell electrode having improved activity is prepared by covering a Group VIII transition metal with oxygen during or before immersion in a liquid containing a compound of a co-catalyst.
    Type: Grant
    Filed: January 28, 1977
    Date of Patent: March 28, 1978
    Assignee: Shell Oil Company
    Inventors: Brian D. McNicol, Richard T. Short
  • Catalyst regeneration by circulating catalyst in a hydrotreating oil process
    Patent number: 4073721
    Abstract: A process is disclosed for catalytic hydrotreating of a heavy hydrocarbon oil and a light hydrocarbon oil in separate reactors, wherein the hydrotreating catalyst is circulated through both reactors. The process is particularly suited to obtaining long catalyst life when operating at low hydrogen pressures.
    Type: Grant
    Filed: June 23, 1977
    Date of Patent: February 14, 1978
    Assignee: Shell Oil Company
    Inventors: Dirk Kanbier, Frans Goudriaan
  • Gasoline compositions
    Patent number: 4066419
    Abstract: Gasoline compositions having improved driveability comprise gasoline containing a minor amount of a compound having the formula ##STR1## WHEREIN R.sub.f is a perfluorinated radical selected from the group consisting of aliphatic C.sub.n F.sub.2n + 1 and cycloaliphatic C.sub.n F.sub.2n - 1, n is an integer from 1 - 18, q is 0 or an integer from 1 to 18, R is hydrogen or an alkyl radical having from 1 to 12 carbon atoms, R.sub.1 is an alkylene bridging radical having from 2 to 12 carbon atoms, m is 1 or 2, and X is chlorine, hydroxyl, --OMe (where Me is a metal), or a residual moiety of an active hydrogen-containing organic compound.
    Type: Grant
    Filed: November 8, 1976
    Date of Patent: January 3, 1978
    Assignee: Shell Oil Company
    Inventor: David G. Wharton