Patents by Inventor Jacob Emert

Jacob Emert 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: 5385687
    Abstract: An oil soluble dispersant additive useful in oleaginous compositions selected from fuels and lubricating oils comprising the reaction products of:(i) at least one intermediate adduct comprised of the reaction products of(a) at least one polyanhydride, and(b) at least one member selected from the group consisting of polyamines, polyols, and amino alcohols; and(ii) at least one member selected from the group consisting of(a) at least one long chain hydrocarbyl substituted C.sub.4 -C.sub.10 dicarboxylic acid producing material;(b) at least one long chain hydrocarbyl substituted hydroxy aromatic material and at least one aldehyde; or(c) at least one aldehyde and at least one reaction product of a hydrocarbyl substituted C.sub.3 -C.sub.10 monocarboxylic or C.sub.4 -C.sub.10 dicarboxylic acid or anhydride and an amine substituted hydroxy aromatic compound.Also disclosed are oleaginous compositions, particularly lubricating oil compositions, containing these oil soluble dispersants.
    Type: Grant
    Filed: August 4, 1993
    Date of Patent: January 31, 1995
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Jacob Emert, Robert D. Lundberg, Antonio Gutierrez
  • Patent number: 5370810
    Abstract: A material useful as a dispersant additive in oleaginous compositions selected from fuels and lubricating oils comprising the reaction products of:(i) at least one intermediate adduct comprised of the reaction products of(a) at least one polyepoxide, and(b) at least one member selected from the group consisting of polyamines, polyols, and amino alcohols; and(ii) at least one of (a) hydrocarbyl substituted C.sub.3 -C.sub.10 monocarboxylic or C.sub.4 -C.sub.10 dicarboxylic acid producing material; (b) an aldehyde and a hydrocarbyl substituted hydroxy aromatic compound; or (c) an aldehyde and the reaction product of a hydrocarbyl substituted C.sub.3 -C.sub.10 monocarboxylic or C.sub.4 -C.sub.10 dicarboxylic acid or anhydride and an amine substituted hydroxy aromatic compound.Also included is a process for preparing said material and an oleaginous composition containing said material.
    Type: Grant
    Filed: January 5, 1993
    Date of Patent: December 6, 1994
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Jacob Emert, Antonio Gutierrez, Robert D. Lundberg
  • Patent number: 5340487
    Abstract: The present invention is directed to an oil-soluble lubricating oil additive comprising at least one adduct of (A) a polyolefin of 700 to 5,000 number average molecular weight substituted with carboxylic acid producing moieties (preferably acid or anhydride moieties), and (B) a monoepoxy thiol.
    Type: Grant
    Filed: August 19, 1993
    Date of Patent: August 23, 1994
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Jacob Emert, Robert D. Lundberg
  • Patent number: 5328622
    Abstract: An oil soluble dispersant comprising the reaction products of:(1) at least one of (i) oil soluble salts, amides, imides, oxazolines, esters, or mixtures thereof of long chain hydrocarbyl substituted mono- and dicarboxylic acids or their anhydrides or esters, (ii) long chain hydrocarbon having a polyamine attached directly thereto, and (iii) long chain hydrocarbyl-substituted Mannich condensation products containing at least one reactive group selected from reactive amino groups and reactive hydroxyl groups; and(2) at least one monoepoxide monounsaturated linking reactant.
    Type: Grant
    Filed: January 5, 1993
    Date of Patent: July 12, 1994
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Jacob Emert, Antonio Gutierrez, Robert D. Lundberg
  • Patent number: 5306313
    Abstract: A composition of matter useful as an oleaginous composition dispersant additive comprising the reaction product of:(1) at least one nitrogen or ester containing adduct selected from the group consisting of (i) oil soluble salts, amides, imides, oxazolines, esters, or mixtures thereof of long chain hydrocarbyl substituted mono and dicarboxylic acids or their anhydrides, (ii) long chain hydrocarbyl having a polyamine attached directly thereto, and (iii) Mannich condensation product formed by condensing long chain hydrocarbyl substituted hydroxy aromatic compound with an aldehyde and polyamine, said adduct containing at least one reactive group selected from reactive amino groups and reactive hydroxyl groups; and(2) at least one polyanhydride.Also disclosed are oleaginous compositions, particularly lubricating oil compositions, containing said reaction product.
    Type: Grant
    Filed: July 29, 1993
    Date of Patent: April 26, 1994
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Jacob Emert, Antonio Gutierrez, Robert D. Lundberg
  • 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: 5282991
    Abstract: According to the present invention, oleaginous compositions having improved storage stability properties are provided, which comprise a combination of ashless dispersants, friction modifier and oil-soluble copper antioxidants, wherein the composition is substantially free of boron.
    Type: Grant
    Filed: April 22, 1991
    Date of Patent: February 1, 1994
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Waddoups Malcolm, Jacob Emert
  • Patent number: 5275748
    Abstract: An oil soluble dispersant additive useful in oleaginous compositions selected from fuels and lubricating oils comprising the reaction products of:(i) at least one intermediate adduct comprised of the reaction products of(a) at least one polyanhydride, and(b) at least one member selected from the group consisting of polyamines, polyols, and amino alcohols; and(ii) at least one member selected from the group consisting of(a) at least one long chain hydrocarbyl substituted C.sub.4 -C.sub.10 dicarboxylic acid producing material;(b) at least one long chain hydrocarbyl substituted hydroxy aromatic material and at least one aldehyde; or(c) at least one aldehyde and at least one reaction product of a hydrocarbyl substituted C.sub.3 -C.sub.10 monocarboxylic or C.sub.4 -C.sub.10 dicarboxylic acid or anhydride and an amine substituted hydroxy aromatic compound.Also disclosed are oleaginous compositions, particularly lubricating oil compositions, containing these oil soluble dispersants.
    Type: Grant
    Filed: February 2, 1993
    Date of Patent: January 4, 1994
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Jacob Emert, Robert D. Lundberg, Antonio Gutierrez
  • Patent number: 5273668
    Abstract: The present invention is directed to an oil-soluble lubricating oil additive comprising at least one adduct of (A) a polyolefin of 700 to 5,000 number average molecular weight substituted nitrogen- or ester-containing ashless dispersant and (B) a bis-keto/thioketo compound.
    Type: Grant
    Filed: January 25, 1993
    Date of Patent: December 28, 1993
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Jacob Emert, Antonio Gutierrez, Robert D. Lundberg
  • Patent number: 5259968
    Abstract: A composition of matter useful as an oleaginous composition dispersant additive comprising the reaction product of:(1) at least one nitrogen or ester containing adduct selected from the group consisting of (i) oil soluble salts, amides, imides, oxazolines, esters, or mixtures thereof of long chain hydrocarbyl substituted mono and dicarboxylic acids or their anhydrides, (ii) long chain hydrocarbyl having a polyamine attached directly thereto, and (iii) Mannich condensation product formed by condensing long chain hydrocarbyl substituted hydroxy aromatic compound with an aldehyde and polyamine, said adduct containing at least one reactive group selected from reactive amino groups and reactive hydroxyl groups; and(2) at least one polyanhydride.Also disclosed are oleaginous compositions, particularly lubricating oil compositions, containing said reaction product.
    Type: Grant
    Filed: October 14, 1992
    Date of Patent: November 9, 1993
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Jacob Emert, Antonio Gutierrez, Robert D. Lundberg
  • Patent number: 5256325
    Abstract: An oil soluble dispersant additive useful in oleaginous compositions selected from fuels and lubricating oils comprising the reaction products of:(i) at least one intermediate adduct comprised of the reaction products of(a) at least one polyanhydride, and(b) at least one member selected from the group consisting of polyamines, polyols, and amino alcohols; and(ii) at least one member selected from the group consisting of(a) at least one long chain hydrocarbyl substituted C.sub.4 -C.sub.10 dicarboxylic acid producing material;(b) at least one long chain hydrocarbyl substituted hydroxy aromatic material and at least one aldehyde; or(c) at least one aldehyde and at least one reaction product of a hydrocarbyl substituted C.sub.3 -C.sub.10 monocarboxylic or C.sub.4 -C.sub.10 dicarboxylic acid or anhydride and an amine substituted hydroxy aromatic compound.Also disclosed are oleaginous compositions, particularly lubricating oil compositions, containing these oil soluble dispersants.
    Type: Grant
    Filed: February 2, 1993
    Date of Patent: October 26, 1993
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Jacob Emert, Robert D. Lundberg, Antonio Gutierrez
  • Patent number: 5230817
    Abstract: An oil soluble dispersant additive useful in oleaginous compositions selected from fuels and lubricating oils comprising the reaction products of:(i) at least one intermediate adduct comprised of the reaction products of(a) at least one polyanhydride, and(b) at least one member selected from the group consisting of polyamines, polyols, and amino alcohols; and(ii) at least one member selected from the group consisting of(a) at least one long chain hydrocarbyl substituted C.sub.4 -C.sub.10 dicarboxylic acid producing material, or(b) at least one long chain hydrocarbyl substituted hydroxy aromatic material and at least one aldehyde.Also disclosed are oleaginous compositions, particularly lubricating oil compositions, containing these oil soluble dispersants.
    Type: Grant
    Filed: March 28, 1991
    Date of Patent: July 27, 1993
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Robert D. Lundberg, Jacob Emert, Antonio Gutierrez
  • 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: 5217634
    Abstract: A material useful as a dispersant additive in oleaginous compositions selected from fuels and lubricating oils comprising the reaction products of:(i) at least one intermediate adduct comprised of the reaction products of(a) at least one polyepoxide, and(b) at least one member selected from the group consisting of polyamines, polyols, and amino alcohols; and(ii) at least one of (a) hydrocarbyl substituted C.sub.3 -C.sub.10 monocarboxylic or C.sub.4 -C.sub.10 dicarboxylic acid producing material; (b) an aldehyde and a hydrocarbyl substituted hydroxy aromatic compound; or (c) an aldehyde and the reaction product of a hydrocarbyl substituted C.sub.3 -C.sub.10 monocarboxylic or C.sub.4 -C.sub.10 dicarboxylic acid or anhydride and an amine substituted hydroxy aromatic compound.Also included is a process for preparing said material and an oleaginous composition containing said material.
    Type: Grant
    Filed: September 9, 1991
    Date of Patent: June 8, 1993
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Jacob Emert, Antonio Gutierrez, Robert D. Lundberg
  • Patent number: 5205947
    Abstract: The present invention is directed to an oil-soluble lubricating oil additive comprising at least one adduct of (A) a polyolefin of 700 to 5,000 number average molecular weight substituted with carboxylic acid producing moieties (preferably acid or anhydride moieties), and (B) a monoepoxy thiol.
    Type: Grant
    Filed: June 27, 1991
    Date of Patent: April 27, 1993
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Jacob Emert, Robert D. Lundberg
  • Patent number: 5158696
    Abstract: The present invention is directed to an oil-soluble lubricating oil additive comprising at least one adduct of (A) a polyolefin of 700 to 5,000 number average molecular weight substituted nitrogen- or ester-containing ashless dispersant and (B) a bis-keto/thioketo compound.
    Type: Grant
    Filed: January 30, 1989
    Date of Patent: October 27, 1992
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Jacob Emert, Antonio Gutierrez, Robert D. Lundberg
  • Patent number: 5118432
    Abstract: Novel dispersant mixtures are provided, having improved lubricating oil performance characteristics, comprising nitrogen or ester containing dispersants selected from the group consisting of oil soluble salts, amides, imides, oxazoline and esters or mixtures thereof, wherein a first dispersant comprises a long chain hydrocarbon substituted mono- and dicarboxylic acid or their anhydrides derived from polymers of C.sub.2 to C.sub.10 monoolefins wherein the polymer has a number average molecular weight of at least about 1300 and wherein the second dispersant component is derived from such polymers having a number average molecular weight of from about 700 to 1150. The relatively high molecular weight dispersant is provided with from about 1.05 to 1.25 moles per mole of polyolefin of an alpha or beta unsaturated C.sub.4 to C.sub.10 dicarboxylic acid or anhydride or ester thereof. The relatively lower molecular weight dispersant is provided with from about 1.2 to 2.
    Type: Grant
    Filed: July 12, 1989
    Date of Patent: June 2, 1992
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Jacob Emert, Malcolm Waddoups, Robert D. Lundberg
  • Patent number: 5085788
    Abstract: An oil soluble dispersant comprising the reaction products of:(1) oil soluble salts, amides, imides, oxazolines, esters, or mixtures thereof of long chain hydrocarbyl substituted mono- and dicarboxylic acids or their anhydrides, (ii) long chain hydrocarbon having a polyamine attached directly thereto, and (iii) Mannich condensation product formed by condensing a long chain hydrocarbyl substituted hydroxy aromatic compound with an aldehyde and a polyalkylene polyamine, said adduct containing at least one reactive group selected from reactive amino groups and reactive hydroxyl groups; and(2) at least one polyepoxide.
    Type: Grant
    Filed: July 27, 1990
    Date of Patent: February 4, 1992
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Jacob Emert, Robert D. Bundberg
  • Patent number: 5057617
    Abstract: The present invention is directed to an oil-soluble lubricating oil additive comprising at least one adduct of (A) a polyolefin of 700 to 5,000 number average molecular weight substituted with carboxylic acid producing moieties (preferably acid or anhydride moieties), and (B) a monoepoxy thiol.
    Type: Grant
    Filed: November 7, 1988
    Date of Patent: October 15, 1991
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Jacob Emert, Robert D. Lundberg