Patents by Inventor Raymond C. Schlicht

Raymond C. Schlicht 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: 5135671
    Abstract: Multifunctional viscosity index improvers for lubricating oils containing olefin copolymers which have pendant groups derived from vinylbenzyl chloride and N-phenyl-p-phenylene diamine.
    Type: Grant
    Filed: April 24, 1991
    Date of Patent: August 4, 1992
    Assignee: Texaco Inc.
    Inventors: Maria M. Kapuscinski, Theodore E. Nalesnik, Robert T. Biggs, Raymond C. Schlicht
  • Patent number: 4965003
    Abstract: A process for preparing a borated, overbased metal detergent additive for lubricants which comprises dissolving a metal salt in a hydrocarbon solvent, adding a metal base and a polar solvent, treating with an acid gas, filtering the mixture to form a filtrate to which boric acid is added, heating the boric acid/filtrate mixture, stripping the cooled boric acid/filtrate reaction mixture and recovering the borated metal detergent additive therefrom.
    Type: Grant
    Filed: April 21, 1989
    Date of Patent: October 23, 1990
    Assignee: Texaco Inc.
    Inventor: Raymond C. Schlicht
  • Patent number: 4965004
    Abstract: A process for preparing a borated, overbased metal detergent additive for lubricants which comprises borating an overbased metal salt in the presence of a protic solvent, distilling the borated metal salt mixture to remove protic solvent and water therefrom, cooling the distilled borated mixture, filtering the cooled borated mixture, stripping the cooled filtrate and recovering the borated metal detergent additive.
    Type: Grant
    Filed: April 21, 1989
    Date of Patent: October 23, 1990
    Assignee: Texaco Inc.
    Inventors: Raymond C. Schlicht, William J. Powers, III
  • Patent number: 4765918
    Abstract: A lubricating oil additive is prepared by reacting a triglyceride with a basic nitrogen compound to form a reaction product, reacting said reaction product with an acidic molybdenum compound to form an intermediate reaction product, and reacting said intermediate reaction product with a sulfur compound to produce a lubricating oil additive.
    Type: Grant
    Filed: November 28, 1986
    Date of Patent: August 23, 1988
    Assignee: Texaco Inc.
    Inventors: Doris Love, Raymond C. Schlicht, Joseph B. Biasotti
  • Patent number: 4729769
    Abstract: Improved gasolines contain, as a detergent additive, the reaction product of coconut oil and diethanolamine or dimethylaminopropylamine.
    Type: Grant
    Filed: May 8, 1986
    Date of Patent: March 8, 1988
    Assignee: Texaco Inc.
    Inventors: Raymond C. Schlicht, Mark D. Levin, Sheldon Herbstman, Rodney L. Sung
  • Patent number: 4647389
    Abstract: A lubricating oil composition containing a product prepared by reacting a natural oil with a (C.sub.2 -C.sub.10) hydroxy acid and a polyamine whereby the lubricating oil is improved in anti-friction and other properties.
    Type: Grant
    Filed: August 19, 1985
    Date of Patent: March 3, 1987
    Assignee: Texaco Inc.
    Inventors: Thomas J. Karol, Harold S. Magaha, Raymond C. Schlicht
  • Patent number: 4579674
    Abstract: A new hydrocarbyl-substituted succinimide of a secondary hydroxyl-substituted diamine or polyamine represented by the formula: ##STR1## in which R is a hydrocarbon radical having from 50 to 400 carbon atoms, X is a divalent hydrocarbon radical having from 2 to 6 carbon atoms, and y and z are numbers from 1 to 10, a method of preparing same, and a lubricating oil composition are provided.
    Type: Grant
    Filed: December 28, 1981
    Date of Patent: April 1, 1986
    Assignee: Texaco Inc.
    Inventor: Raymond C. Schlicht
  • Patent number: 4559152
    Abstract: Molybdenum salts of organophosphorus acids prepared in the presence of polar solvents are found to have a higher conversion of molybdenum than if otherwise produced. The salts of the invention are useful as lubricating oil additives to reduce friction and corrosion and to decrease fuel consumption in internal combustion engines.
    Type: Grant
    Filed: June 17, 1982
    Date of Patent: December 17, 1985
    Assignee: Texaco Inc.
    Inventor: Raymond C. Schlicht
  • Patent number: 4525288
    Abstract: N-alkyl-substituted-hydroxyalkoxyacid amides are prepared by the reaction of a p-dioxanone or of corresponding acyclic analog or higher homologs with a primary or secondary aliphatic amine or by the oxyalkylation of the alcohol functions(s) of certain hydroxy acid amides.
    Type: Grant
    Filed: August 15, 1983
    Date of Patent: June 25, 1985
    Assignee: Texaco Inc.
    Inventor: Raymond C. Schlicht
  • Patent number: 4512903
    Abstract: Amides prepared from mono- or poly hydroxy-substituted aliphatic monocarboxylic acids and primary or secondary amines which are useful as friction reducing agents.
    Type: Grant
    Filed: June 23, 1983
    Date of Patent: April 23, 1985
    Assignee: Texaco Inc.
    Inventors: Raymond C. Schlicht, Anthony P. Skrobul
  • Patent number: 4482464
    Abstract: A hydrocarbyl-substituted mono- and bis-succinimide having polyamine chain linked hydroxyacyl radicals represented by the formula: ##STR1## in which R is a hydrocarbyl radical having from about 8 to 400 carbon atoms, X is a divalent alkylene or secondary hydroxy-substituted alkylene radical having from 2 to 3 carbon atoms, A is hydrogen or a hydroxyacyl radical from the group consisting of glycolyl, lactyl, 2-hydroxymethyl propionyl and 2,2'-bis-hydroxymethyl propionyl radicals and in which at least 30 percent of said radicals represented by A are said hydroxyacyl radicals, x is a number from 1 to 6, and R' is a radical selected from the group consisting of --NH.sub.2, --NHA, or a hydrocarbyl substituted succinyl radical having the formula: ##STR2## in which R and A have the values noted above, and a hydrocarbon oil composition containing same are provided.
    Type: Grant
    Filed: February 14, 1983
    Date of Patent: November 13, 1984
    Assignee: Texaco Inc.
    Inventors: Thomas J. Karol, Raymond C. Schlicht, Harold S. Magaha
  • Patent number: 4446038
    Abstract: Citric imide acids represented by the formula: ##STR1## are disclosed, wherein R is a hydrocarbon-based radical having up to 30 carbon atoms. The disclosed citric imide acids are useful as additives in lubricants, especially as friction reducing agents in motor oils and other lubricants.
    Type: Grant
    Filed: September 27, 1982
    Date of Patent: May 1, 1984
    Assignee: Texaco, Inc.
    Inventors: Raymond C. Schlicht, Anthony P. Skrobul
  • Patent number: 4428848
    Abstract: Disclosed are novel compounds prepared by the reaction of an adduct of a phosphosulfurized polyisoalkylene or alpha olefin with an acidified hexavalent molybdenum salt which give enhanced copper corrosion protection relative to the non-molybdenum treated adducts when incorporated in lubricants.Also disclosed is the combination of such compounds with a zinc dialkyldithiophosphate, which combination imparts to lubricants an oxidation inhibition greater than is obtainable with either the zinc dialkyldithiophosphate or the molybdenum-containing adduct alone.
    Type: Grant
    Filed: November 9, 1981
    Date of Patent: January 31, 1984
    Assignee: Texaco Inc.
    Inventors: Stephen A. Levine, Raymond C. Schlicht, Harry Chafetz, James R. Whiteman
  • Patent number: 4392966
    Abstract: The invention provides molybdenum-zinc dialkyldithiophosphates useful as friction-reducing, anti-wear and oxidation-inhibiting agents in lubricants, in particular, in fuel economy oils.
    Type: Grant
    Filed: January 15, 1982
    Date of Patent: July 12, 1983
    Assignee: Texaco Inc.
    Inventor: Raymond C. Schlicht
  • Patent number: 4324672
    Abstract: Disclosed are molybdenum derivatives of high molecular weight alkenylsuccinimides and lubricant compositions containing such derivatives which impart dispersant, oxidation inhibition, anti-wear and friction-reducing properties to these compositions.
    Type: Grant
    Filed: June 25, 1980
    Date of Patent: April 13, 1982
    Assignee: Texaco, Inc.
    Inventors: Stephen A. Levine, Raymond C. Schlicht, Harry Chafetz
  • Patent number: 4315826
    Abstract: Disclosed are multipurpose lubricant additives which are prepared by reaction of carbon disulfide with thiomolybdenum derivatives of polyalkenylsuccinimides having basic nitrogen functions. The subject additives function as dispersants possessing excellent anti-frictional properties and impart anti-wear and anti-oxidant properties to a lubricant.
    Type: Grant
    Filed: August 19, 1980
    Date of Patent: February 16, 1982
    Assignee: Texaco Inc.
    Inventors: Raymond C. Schlicht, Stephen A. Levine, Harry Chafetz
  • Patent number: 4235730
    Abstract: A polyurethane which is a reaction product of a diisocyanate and a diol. The polyurethane product is useful as a dispersant for lubricants and fuels. The product can be further defined as the product of an ester, amide or ester amide derivative of alkenyl-or alkenyl-substituted dibasic acids which reaction product contains hydroxy alkyl groups.
    Type: Grant
    Filed: December 28, 1978
    Date of Patent: November 25, 1980
    Assignee: Texaco Inc.
    Inventor: Raymond C. Schlicht
  • Patent number: 4196091
    Abstract: This invention relates to hydrocarbyl lactam-carboxylic acids prepared by a reaction of a hydrocarbyl succinic anhydride with an imine and their use as corrosion inhibitors in crankcase lubricant compositions.
    Type: Grant
    Filed: December 27, 1977
    Date of Patent: April 1, 1980
    Assignee: Texaco Inc.
    Inventor: Raymond C. Schlicht
  • Patent number: 4194981
    Abstract: A polyurethane polymer which is the reaction product of a diisocyanate and a particular polyol adduct is described. The polyurethane polymer is a low molecular weight polyurethane polymer particularly useful as a dispersant in lubricating oils. Disclosed herein is an improvement in the dispersancy of certain polyol lubricant dispersants by conversion of the polyol into a polyurethane.
    Type: Grant
    Filed: December 28, 1978
    Date of Patent: March 25, 1980
    Assignee: Texaco Inc.
    Inventors: Kenneth G. Hammond, Raymond C. Schlicht
  • Patent number: 4185965
    Abstract: This invention relates to motor fuel compositions containing dihydroimidazoline, tetrahydropyrimidine and amide derivatives of hydrocarbyl substituted lactam acids.
    Type: Grant
    Filed: December 27, 1977
    Date of Patent: January 29, 1980
    Assignee: Texaco Inc.
    Inventors: Raymond C. Schlicht, William M. Cummings