Patents by Inventor Edward E. McEntire

Edward E. McEntire 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: 4592853
    Abstract: A corrosion inhibited antifreeze composition incorporating a corrosion inhibitor is described. Six dibasic salts of dicyclopentadiene dicarboxylic acid and optionally a triazole comprise the corrosion inhibitor.
    Type: Grant
    Filed: May 8, 1985
    Date of Patent: June 3, 1986
    Assignee: Texaco Inc.
    Inventors: Jerome W. Darden, Edward E. McEntire
  • Patent number: 4565889
    Abstract: N-(3-dimethylaminopropyl)methacrylamide is prepared by the non-catalytic pyrolysis of N-(3-dimethylaminopropyl)-3-dimethylaminopropyl-2-methyl propionamide in a closed reactor. The N-(3-dimethylaminopropyl)methacrylamide is not removed from the reaction mixture until the pyrolysis reaction is completed.
    Type: Grant
    Filed: March 12, 1984
    Date of Patent: January 21, 1986
    Assignee: Texaco Inc.
    Inventors: David R. Livingston, Edward E. McEntire, Edward C. Nieh
  • Patent number: 4552958
    Abstract: A method for the separation of primary amines such as bis-(2-aminoethyl)ether from tertiary amines such as N-(2-methoxyethyl)morpholine which have close boiling points via extraction using a non-polar hydrocarbon solvent and water is described. The water may be added to a stream containing both bis-(2-aminoethyl)ether and N-(2-methoxyethyl)morpholine before extraction with the non-polar hydrocarbon is performed. The N-(2-methoxyethyl)morpholine is selectively removed by the hydrocarbon.
    Type: Grant
    Filed: February 17, 1984
    Date of Patent: November 12, 1985
    Assignee: Texaco Inc.
    Inventors: Simon P. Burns, John M. Walton, Edward E. McEntire
  • Patent number: 4552957
    Abstract: A method for the separation of primary amines such as bis-(2-aminoethyl)ether from tertiary amines such as N-(2-methoxyethyl)morpholine which have close boiling points via extraction using a non-polar hydrocarbon solvent is described. Alternatively, a polyhydroxylic compound or a mixture of such compounds may be added to a stream containing both bis-(2-aminoethyl)ether and N-(2-methoxyethyl)morpholine before extraction with the non-polar hydrocarbon is performed. The N-(2-methoxyethyl)morpholine is selectively removed by the hydrocarbon.
    Type: Grant
    Filed: February 17, 1984
    Date of Patent: November 12, 1985
    Assignee: Texaco Inc.
    Inventor: Edward E. McEntire
  • Patent number: 4549017
    Abstract: The invention is related to a catalytic method for the production of N-substituted (meth)acrylamides and is more particularly related to a catalytic method for the production of N-substituted (meth)acrylamides from (meth)acrylates and amines in the presence of an alkoxide of silicon, titanium or zirconium.
    Type: Grant
    Filed: September 23, 1983
    Date of Patent: October 22, 1985
    Assignee: Texaco Inc.
    Inventors: Edward E. McEntire, John F. Knifton, Edward C. Y. Nieh, Kathy B. Sellstrom
  • Patent number: 4548726
    Abstract: A water base hydraulic fluid is disclosed. The fluid comprises 40 wt % of an amphoteric surfactant of the formula:CH.sub.3 (CH.sub.2).sub.5 --CH(CH.sub.3)--NHCH.sub.2 CH.sub.2 COOHand 10 wt % polypropylene glycol in water.The diluted hydraulic fluid is noted for its good wear characteristics, anticorrosiveness and non foaming nature.
    Type: Grant
    Filed: November 16, 1984
    Date of Patent: October 22, 1985
    Assignee: Texaco Inc.
    Inventors: Betty J. Morris-Sherwood, Edward C. Brink, Jr., David R. McCoy, Edward E. McEntire
  • Patent number: 4547304
    Abstract: A solder fusing fluid for use in the high temperature cleaning of printed circuit boards and the like comprising an alkylene oxide adduct and a primary amine or an ethoxylate thereof which is water soluble and stable (i.e., non-volatile) at elevated temperatures.
    Type: Grant
    Filed: August 30, 1984
    Date of Patent: October 15, 1985
    Assignee: Texaco, Inc.
    Inventors: Edward E. McEntire, Gordon H. Neville, Edward C. Y. Nieh
  • Patent number: 4499254
    Abstract: The invention relates to reaction injection molded elastomers derived from high molecular weight amine terminated polyethers, a chain extender, a polyisocyanate and a high molecular weight organic acid which add green strength and aid mold release. The reaction injection molded (RIM) elastomers of this invention are useful, for example, as automobile body parts.
    Type: Grant
    Filed: February 13, 1984
    Date of Patent: February 12, 1985
    Assignee: Texaco Inc.
    Inventors: Richard J. G. Dominguez, Edward E. McEntire, Carter G. Naylor
  • Patent number: 4492801
    Abstract: A one-step process for the preparation of N-substituted (meth)acrylamides from the reaction of a (meth)acrylate ester and an amine over a catalytic amount of a metal alkoxide catalyst is described. These catalysts, such as stannous dimethoxide, lead dimethoxide, zinc dimethoxide, copper dimethoxide and bismuth tributoxide give high selectivity to the N-substituted (meth)acrylamides and little selectivity of the Michael adduct propionate ester, which would predominate in the absence of these catalysts. Also, these catalysts are less costly than organo metal catalysts commonly used.
    Type: Grant
    Filed: February 28, 1983
    Date of Patent: January 8, 1985
    Assignee: Texaco Inc.
    Inventors: Edward E. McEntire, Kathy B. Sellstrom, Edward C. Y. Nieh, David R. Livingston
  • Patent number: 4483997
    Abstract: A method for the preparation of an epoxide by reacting an olefin having 3 or more carbon atoms with a hydroperoxide in the presence of a catalyst. The catalyst includes molybdenum and/or tungsten and an inorganic metal phosphate and/or arsenate wherein at least the inorganic metal phosphate and/or arsenate is substantially insoluble in the olefin hydroperoxide reaction mixture. The metal portion of the inorganic metal phosphate and/or arsenate is one or more metals selected from the group consisting of the metals found in Groups I to III, VIIb and VIII, of the Periodic Table of Elements. Preferred metals include aluminum, iron, zinc and mixtures of these metals.
    Type: Grant
    Filed: January 31, 1983
    Date of Patent: November 20, 1984
    Assignee: Texaco Inc.
    Inventors: Edward E. McEntire, Robert M. Gipson
  • Patent number: 4457371
    Abstract: A process for recovering bitumen from oil-in-water (O/W) emulsions is disclosed wherein water soluble demulsifiers are used. These demulsifiers are polymers of specific quaternary ammonium monomers or co-polymers of these quaternary ammonium monomers wth other types of monomers wherein the greater portion of the co-polymer is comprised of the quaternary ammonium monomers. To resolve the bituminous petroleum emulsions, the process is carried out between 25.degree. and 160.degree. C. wherein the demulsifier of the invention is contacted with the bituminous emulsion.
    Type: Grant
    Filed: December 2, 1981
    Date of Patent: July 3, 1984
    Assignee: Texaco Inc.
    Inventors: David R. McCoy, Edward E. McEntire, Robert M. Gipson
  • Patent number: 4444971
    Abstract: The present invention is directed to a new class of cationic monomers and to polymers thereof. The monomers are quaternary chloromethyl ammonium chlorides having the following general formula:CH.sub.2 .dbd.CR.sub.1 COX(CH.sub.2).sub.n N.sup..sym. R.sub.3 R.sub.4 CH.sub.2 Cl Cl.sup..crclbar. (1)whereR.sub.1 =H, CH.sub.3X=O, NR.sub.2 where R.sub.2 =H, lower alkyln=2-6R.sub.3, R.sub.4 =independently lower alkylThe present invention is also directed to homopolymers and copolymers of the above described class of monomers.
    Type: Grant
    Filed: July 25, 1983
    Date of Patent: April 24, 1984
    Assignee: Texaco Inc.
    Inventor: Edward E. McEntire
  • Patent number: 4405015
    Abstract: A process for recovering bitumen from oil-in-water (O/W) emulsions is disclosed wherein water soluble demulsifiers are used. These demulsifiers are salts of polymers and/or co-polymers of specific cationic monomers. To resolve the bituminous petroleum emulsions, the process is carried out between 25.degree. and 160.degree. C. wherein the demulsifier of the invention is contacted with the bituminous emulsion.
    Type: Grant
    Filed: December 2, 1981
    Date of Patent: September 20, 1983
    Assignee: Texaco Inc.
    Inventors: David R. McCoy, Edward E. McEntire, Robert M. Gipson
  • Patent number: 4404096
    Abstract: A process for recovering bitumen from oil-in-water (O/W) emulsions is disclosed wherein water soluble demulsifiers are used. These demulsifiers are ionenes prepared generally by reaction of ditertiary amines and dihalides. To resolve the bituminous petroleum emulsions, the process is carried out between 25.degree. and 160.degree. C. wherein the demulsifier of the invention is contacted with the bituminous emulsion.
    Type: Grant
    Filed: December 2, 1981
    Date of Patent: September 13, 1983
    Assignee: Texaco, Inc.
    Inventors: David R. McCoy, Edward E. McEntire
  • Patent number: 4387017
    Abstract: A process for recovering bitumen from oil-in-water (O/W) emulsions is disclosed wherein water soluble demulsifiers are used. These demulsifiers are polymers of diquaternary ammonium monomers containing hydroxyl groups. To resolve the bituminous petroleum emulsions, the process is carried out between 25.degree. and 160.degree. C. wherein the demulsifier of the invention is contacted with the bituminous emulsion.
    Type: Grant
    Filed: December 2, 1981
    Date of Patent: June 7, 1983
    Assignee: Texaco Inc.
    Inventors: Edward E. McEntire, David R. McCoy
  • Patent number: 4375558
    Abstract: Methacrylamidopropyltrimethylammonium chloride or its free amine, dimethylaminopropylmethacrylamide, is purified by contacting aqueous solutions of the salt or the free amine with solid, nonionic organic resins. Such resins absorb the organic impurities, yet leave behind the polymerization inhibitor.
    Type: Grant
    Filed: October 9, 1981
    Date of Patent: March 1, 1983
    Assignee: Texaco Inc.
    Inventors: Edward E. McEntire, Edward C. Y. Nieh
  • Patent number: 4374259
    Abstract: Alkyl substituted ethylene carbonates are converted to substituted ethylene oxide by heating the carbonates in the presence of a catalytic amount of a compound containing at least one carbon-tin bond. The alkyl substituted ethylene carbonates have the general formula ##STR1## where R is alkyl, aryl, substituted alkyl, substituted aryl, alkaryl or aralkyl.
    Type: Grant
    Filed: November 16, 1979
    Date of Patent: February 15, 1983
    Assignee: Texaco Development Corporation
    Inventor: Edward E. McEntire
  • Patent number: 4371704
    Abstract: Alkyl substituted ethylene carbonates are converted to substituted ethylene oxides by heating the respective carbonates in the presence of a catalyst which is selected from the group of alkali metal halides consisting of lithium fluoride, sodium fluoride, potassium fluoride, sodium chloride and potassium chloride. The alkyl substituted ethylene carbonates have the general formula ##STR1## where R is alkyl, aryl, substituted alkyl, substituted aryl, alkaryl or aralkyl.
    Type: Grant
    Filed: November 13, 1979
    Date of Patent: February 1, 1983
    Assignee: Texaco Development Corporation
    Inventors: Edward E. McEntire, Robert M. Gipson
  • Patent number: 4359540
    Abstract: The invention is a method for making reaction injection molded polyurethane of improved properties. The method comprises injecting into a mold cavity a high molecular weight polyhydric polyether, a low molecular weight active hydrogen containing compound of at least two functionality, a polyisocyanate and a catalyst comprising polymers substantially without active hydrogens containing tertiary amine moieties. This catalyst results in improved paintability when using high solids paint. Reaction injection molded elastomers are useful as molded articles of commerce including, but not limited to, vehicle body parts.
    Type: Grant
    Filed: May 29, 1981
    Date of Patent: November 16, 1982
    Assignee: Texaco Inc.
    Inventors: Edward E. McEntire, Richard J. G. Dominquez
  • Patent number: 4348488
    Abstract: A primary amine may be reacted with formaldehyde and a 1,2-diol to produce N-substituted perhydrodioxazepines of the formula ##STR1## where R is alkyl, alkoxyalkyl, aminoalkyl or aryl alkyl and R' is hydrogen or lower alkyl. These compounds may be easily prepared and have a low odor which is essential in their utility as polyurethane catalysts. By varying the R group, the catalytic characteristics of the compounds may be altered as desired.
    Type: Grant
    Filed: September 8, 1981
    Date of Patent: September 7, 1982
    Assignee: Texaco Inc.
    Inventors: Robert L. Zimmerman, Edward E. McEntire