Patents by Inventor Won R. Song

Won R. Song 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: 5759967
    Abstract: The present invention is directed to an oil-soluble lubricating oil additive comprising at least one terminally unsaturated ethylene/alpha-olefin/diene interpolymer of 300 to 20,000 number average molecular weight substituted with mono- or dicarboxylic acid producing moieties (preferably dicarboxylic acid or anhydride moieties), wherein the terminal unsaturation comprises terminal ethenylidene unsaturation. The mono- and dicarboxylic acid or anhydride substituted interpolymers of this invention are useful per se as additives to lubricating oils, and can also be reacted with a nucleophilic reagent, such s amines, alcohols, amino alcohols and reactive metal compounds, to form products which are also useful lubricating oil additives, e.g., as dispersants.
    Type: Grant
    Filed: June 16, 1997
    Date of Patent: June 2, 1998
    Assignee: Exxon Chemical Patents Inc
    Inventors: Won R. Song, Albert Rossi, Howard W. Turner, Howard C. Welborn, deceased, Robert D. Lundberg, Antonio Gutierrez, Robert A. Kleist
  • Patent number: 5681799
    Abstract: The present invention is directed to an oil-soluble lubricating oil additive comprising at least one terminally unsaturated ethylene/alpha-olefin/diene interpolymer of 300 to 20,000 number average molecular weight substituted with mono- or dicarboxylic acid producing moieties (preferably dicarboxylic acid or anhydride moieties), wherein the terminal unsaturation comprises terminal ethenylidene unsaturation. The mono- and dicarboxylic acid or anhydride substituted interpolymers of this invention are useful per se as additives to lubricating oils, and can also be reacted with a nucleophilic reagent, such as amines, alcohols, amino alcohols and reactive metal compounds, to form products which are also useful lubricating oil additives, e.g., as dispersants.
    Type: Grant
    Filed: May 3, 1995
    Date of Patent: October 28, 1997
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Won R. Song, Albert Rossi, Howard W. Turner, Howard C. Welborn, deceased, Robert D. Lundberg, Antonio Gutierrez, Robert A. Kleist
  • Patent number: 5435926
    Abstract: The present invention is directed to an oil-soluble fuel and lubricating oil additive comprising at least one terminally unsaturated ethylene alpha-olefin polymer of 300 to 20,000 number average molecular weight substituted with mono- or dicarboxylic acid producing moieties (preferably dicarboxylic acid or anhydride moieties), wherein the terminal unsaturation comprises terminal ethenylidene unsaturation. The mono- and dicarboxylic acid or anhydride substituted polymers of this invention are useful per se as additives to lubricating oils, and can also be reacted with a nucleophilic reagent, such as amines, alcohols, amino alcohols and reactive metal compounds, to form products which are also useful fuel and lubricating oil additives, e.g., as dispersants.
    Type: Grant
    Filed: June 21, 1994
    Date of Patent: July 25, 1995
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Antonio Gutierrez, Robert A. Kleist, Won R. Song, Albert Rossi, Howard W. Turner, Howard C. Welborn, deceased, Robert D. Lundberg
  • Patent number: 5433874
    Abstract: The present invention is directed to oil-soluble lubricating oil additives comprising Mannich Base condensates of an alkyl substituted hydroxy aromatic compound with formaldehyde and an amine, wherein the alkyl-moiety of the aromatic compounds is derived from a mixture comprising at least one ethylene alpha-olefin copolymer of 300 to 20,000 number average molecular weight, wherein at least about 30% of the polymer's chains contain terminal ethenylidene unsaturation and (ii) at least one polyalkene derived from at least one C.sub.2 to C.sub.20 alkene, the polyalkene having a number average molecular weight of at least about 900. The Mannich Base condensates of this invention are useful as dispersants.
    Type: Grant
    Filed: September 28, 1994
    Date of Patent: July 18, 1995
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Won R. Song, Robert D. Lundberg, Antonio Gutierrez, Robert A. Kleist
  • Patent number: 5433757
    Abstract: The present invention is directed to an oil-soluble fuel and lubricating oil additive comprising at least one terminally unsaturated ethylene alpha-olefin polymer of 300 to 20,000 number average molecular weight substituted with mono- or dicarboxylic acid producing moieties (preferably dicarboxylic acid or anhydride moieties), wherein the terminal unsaturation comprises terminal ethenylidene unsaturation. The mono- and dicarboxylic acid or anhydride substituted polymers of this invention are useful per se as additives to lubricating oils, and can also be reacted with a nucleophilic reagent, such as amines, alcohols, amino alcohols and reactive metal compounds, to form products which are also useful fuel and lubricating oil additives, e.g., as dispersants.
    Type: Grant
    Filed: August 29, 1994
    Date of Patent: July 18, 1995
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Won R. Song, Albert Rossi, Howard W. Turner, Howard C. Welborn, Robert D. Lundberg, Antonio Gutierrez, Robert A. Kleist
  • Patent number: 5382698
    Abstract: The present invention is directed to oil-soluble lubricating oil additives comprising borated Mannich Base condensates of an alkyl substituted hydroxy aromatic compound with formaldehyde and an amine, wherein the alkyl-moiety of the aromatic compounds is derived from at least one ethylene alpha-olefin copolymer of 300 to 20,000 number average molecular weight, wherein at least about 30% of the polymer's chains contain terminal ethenylidene unsaturation. The borated Mannich Base condensates of this invention are useful as dispersants.
    Type: Grant
    Filed: May 2, 1994
    Date of Patent: January 17, 1995
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Won R. Song, Robert D. Lundberg, Antonio Gutierrez, Robert A. Kleist
  • Patent number: 5366647
    Abstract: The present invention is directed to an oil-soluble oleaginous composition additive comprising at least one terminally unsaturated ethylene alpha-olefin polymer of from above 20,000 to about 500,000 number average molecular weight substituted with mono- or dicarboxylic acid producing moieties (preferably dicarboxylic acid or anhydride moieties), wherein the terminal unsaturation comprises terminal ethenylidene unsaturation. The mono- and dicarboxylic acid or anhydride substituted polymers of this invention are useful per se as additives to oleaginous compositions such as lubricating oils, and can also be reacted with a nucleophilic reagent, such as amines, alcohols, amino alcohols and reactive metal compounds, to form products which are also useful oleaginous composition additives, e.g., as multifunctional viscosity index improvers.
    Type: Grant
    Filed: September 9, 1993
    Date of Patent: November 22, 1994
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Antonio Gutierrez, Robert D. Lundberg, Won R. Song
  • Patent number: 5350532
    Abstract: The present invention is directed to an oil-soluble fuel and lubricating oil additive comprising at least one terminally unsaturated ethylene alpha-olefin polymer of 300 to 20,000 number average molecular weight substituted with mono- or dicarboxylic acid producing moieties (preferably dicarboxylic acid or anhydride moieties), wherein the terminal unsaturation comprises terminal ethenylidene unsaturation. The mono- and dicarboxylic acid or anhydride substituted polymers of this invention are useful per se as additives to lubricating oils, and can also be reacted with a nucleophilic reagent, such as amines, alcohols, amino alcohols and reactive metal compounds, to form products which are also useful fuel and lubricating oil additives, e.g., as dispersants.
    Type: Grant
    Filed: October 5, 1993
    Date of Patent: September 27, 1994
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Won R. Song, Albert Rossi, Howard W. Turner, Howard C. Welborn, Robert D. Lundberg, Antonio Gutierrez, Robert A. Kleist
  • Patent number: 5345002
    Abstract: The present invention is directed to oil-soluble lubricating oil additives comprising Mannich Base condensates of an alkyl substituted hydroxy aromatic compound with formaldehyde and an amine, wherein the alkyl-moiety of the aromatic compounds is derived from at least one ethylene alpha-olefin copolymer of 300 to 20,000 number average molecular weight, wherein at least about 30% of the polymer's chains contain terminal ethenylidene unsaturation. The Mannich Base condensates of this invention are useful as dispersants.
    Type: Grant
    Filed: October 9, 1992
    Date of Patent: September 6, 1994
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Won R. Song, Robert D. Lundberg, Antonio Gutierrez, Robert A. Kleist
  • Patent number: 5294234
    Abstract: The present invention is directed to an oil-soluble lubricating oil additive comprising at least one terminally unsaturated ethylene alpha-olefin polymer of 300 to 20,000 number average molecular weight terminally substituted with amine compounds, which are also useful additives to oleaginous compositions, e.g., as fuel and lubricating oil dispersants.
    Type: Grant
    Filed: February 25, 1993
    Date of Patent: March 15, 1994
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Jacob Emert, Alan M. Schilowtiz, Antonio Gutierrez, Won R. Song
  • Patent number: 5284595
    Abstract: The present invention is directed to an oil-soluble lubricating oil additive comprising at least one terminally unsaturated ethylene alpha-olefin polymer of 300 to 20,000 number average molecular weight terminally substituted with amine compounds, which are also useful additives to oleaginous compositions, e.g., as fuel and lubricating oil dispersants.
    Type: Grant
    Filed: January 26, 1993
    Date of Patent: February 8, 1994
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Jacob Emert, Alan M. Schilowitz, Antonio Gutierrez, Won R. Song
  • Patent number: 5277833
    Abstract: The present invention is directed to an oil-soluble lubricating oil additive comprising at least one terminally unsaturated ethylene alpha-olefin polymer of 300 to 10,000 number average molecular weight substituted with mono- or dicarboxylic acid producing moieties (preferably dicarboxylic acid or anhydride moieties), wherein the terminal unsaturation comprises terminal ethenylidene unsaturation. The mono- and dicarboxylic acid or anhydride substituted polymers of this invention are useful per se as additives to lubricating oils, and can also be reacted with a nucleophilic reagent, such as amines, alcohols, amino alcohols and reactive metal compounds, to form products which are also useful lubricating oil additives, e.g., as dispersants.
    Type: Grant
    Filed: August 12, 1992
    Date of Patent: January 11, 1994
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Won R. Song, Albert Rossi, Howard W. Turner, Howard C. Welborn, Robert D. Lungberg, Antonio Gutierrez, Robert A. Kleist
  • Patent number: 5275747
    Abstract: The present invention is directed to an oil-soluble oleaginous composition additive comprising at least one terminally unsaturated ethylene alpha-olefin polymer of from above 20,000 to about 500,000 number average molecular weight substituted with mono- or dicarboxylic acid producing moieties (preferably dicarboxylic acid or anhydride moieties), wherein the terminal unsaturation comprises terminal ethenylidene unsaturation. The mono- and dicarboxylic acid or anhydride substituted polymers of this invention are useful per se as additives to oleaginous compositions such as lubricating oils, and can also be reacted with a nucleophilic reagent, such as amines, alcohols, amino alcohols and reactive metal compounds, to form products which are also useful oleaginous composition additives, e.g., as multifunctional viscosity index improvers.
    Type: Grant
    Filed: February 1, 1990
    Date of Patent: January 4, 1994
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Antonio Gutierrez, Robert D. Lundberg, Won R. Song
  • Patent number: 5268115
    Abstract: An oil-soluble alkyl substituted hydroxyaromatic compound, wherein the alkyl-moiety of the aromatic compounds is derived from at least one ethylene alpha-olefin copolymer of greater or above 25,000 to about 5000,000 number average molecular weight, said copolymer containing from 30 to 80 weight percent ethylene and wherein at least about 30% of the polymer's chains contain terminal ethenylidene unsaturation. The Mannich Base condensates of this invention are useful as multifunctional viscosity index improvers for oleaginous compositions, particularly lubricating oil compositions.
    Type: Grant
    Filed: October 26, 1992
    Date of Patent: December 7, 1993
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Antonio Gutierrez, Robert D. Lundberg, Won R. Song
  • Patent number: 5266223
    Abstract: The present invention is directed to an oil-soluble fuel and lubricating oil additive comprising at least one terminally unsaturated ethylene alpha-olefin polymer of 300 to 20,000 number average molecular weight substituted with mono- or dicarboxylic acid producing moieties (preferably dicarboxylic acid or anhydride moieties), wherein the terminal unsaturation comprises terminal ethenylidene unsaturation. The mono- and dicarboxylic acid or anhydride substituted polymers of this invention are useful per se as additives to lubricating oils, and can also be reacted with a nucleophilic reagent, such as amines, alcohols, amino alcohols and reactive metal compounds, to form products which are also useful fuel and lubricating oil additives, e.g., as dispersants.
    Type: Grant
    Filed: December 4, 1992
    Date of Patent: November 30, 1993
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Won R. Song, Albert Rossi, Howard W. Turner, Howard C. Welborn, Robert D. Lundberg, Antonio Gutierrez, Robert A. Kleist
  • Patent number: 5229022
    Abstract: The present invention is directed to an oil-soluble fuel and lubricating oil additive comprising at least one terminally unsaturated ethylene alpha-olefin polymer of 300 to 20,000 number average molecular weight substituted with mono- or dicarboxylic acid producing moieties (preferably dicarboxylic acid or anhydride moieties), wherein the terminal unsaturation comprises terminal ethenylidene unsaturation. The mono- and dicarboxylic acid or anhydride substituted polymers of this invention are useful per se as additives to lubricating oils, and can also be reacted with a nucleophilic reagent, such as amines, alcohols, amino alcohols and reactive metal compounds, to form products which are also useful fuel and lubricating oil additives, e.g., as dispersants.
    Type: Grant
    Filed: May 15, 1992
    Date of Patent: July 20, 1993
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Won R. Song, Albert Rossi, Howard W. Turner, Howard C. Welborn, Robert D. Lundberg, Antonio Gutierrez, Robert A. Kleist
  • Patent number: 5225092
    Abstract: The present invention is directed to an oil-soluble lubricating oil additive comprising at least one terminally unsaturated ethylene alpha-olefin polymer of 300 to 20,000 number average molecular weight terminally substituted with amine compounds, which are also useful additives to oleaginous compositions, e.g., as fuel and lubricating oil dispersants.
    Type: Grant
    Filed: February 1, 1990
    Date of Patent: July 6, 1993
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Jacob Emert, Alan M. Schilowitz, Antonio Gutierrez, Won R. Song
  • Patent number: 5225091
    Abstract: The present invention is directed to an oil-soluble lubricating oil additive comprising at least one terminally unsaturated ethylene alpha-olefin polymer of 300 to 10,000 number average molecular weight substituted with thiocarboxylic acid producing moieties (preferably acid or anhydride moieties), wherein the terminal unsaturation comprises ethenylidene unsaturation. The thiocarboxylic acid or anhydride substituted polymers of this invention are useful per se as additives to lubricating oils, and can also be reacted with a nucleophilic reagent, such as amines, alcohols, amino alcohols and metal compounds, to form products which are also useful lubricating oil additives, e.g., as dispersants.
    Type: Grant
    Filed: April 15, 1991
    Date of Patent: July 6, 1993
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Antonio Gutierrez, Won R. Song, Robert D. Lundberg, Robert A. Kleist
  • Patent number: 5200103
    Abstract: The present invention is directed to oil-soluble lubricating oil additives comprising Mannich Base condensates of an alkyl substituted hydroxy aromatic compound with formaldehyde and an amine, wherein the alkyl-moiety of the aromatic compounds is derived from at least one ethylene alpha-olefin copolymer of 300 to 20,000 number average molecular weight, wherein at least about 30% of the polymer's chains contain terminal ethenylidene unsaturation. The Mannich Base condensates of this invention are useful as dispersants.
    Type: Grant
    Filed: February 1, 1990
    Date of Patent: April 6, 1993
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Won R. Song, Robert D. Lunberg, Antonio Gutierrez, Robert A. Kleist
  • Patent number: 5186851
    Abstract: The present invention is directed to oil-soluble lubricating oil additives comprising Mannich Base condensates of an alkyl substituted hydroxy aromatic compound with formaldehyde and an amine, wherein the alkyl-moiety of the aromatic compounds is derived from at least one ethylene alpha-olefin copolymer of 300 to 10,000 number average molecular weight, wherein at least about 30% of the polymer's chains contain terminal ethenylidene unsaturation. The Mannich Base condensates of this invention are useful as dispersants.
    Type: Grant
    Filed: April 7, 1992
    Date of Patent: February 16, 1993
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Antonio Gutierrez, Won R. Song, Robert D. Lundberg, Robert A. Kleist