Patents Represented by Attorney Donald L. Johnson
  • Patent number: 4629808
    Abstract: A 6-alkoxy-5-trifluoromethyl-1-cyanonaphthalene is hydrolyzed to the corresponding acid in high yield by reacting it with an aqueous alcoholic base under moderate pressure at a temperature of about 115.degree.-130.degree. C. A preferred nitrile is 6-methoxy-5-trifluoromethyl-1-cyanonaphthalene, preferred bases are sodium and potassium hydroxides, utilizable alcohols are alkanols containing 1-3 carbons, and preferred pressures are in the range of about 90-110 psi.
    Type: Grant
    Filed: June 20, 1985
    Date of Patent: December 16, 1986
    Assignee: Ethyl Corporation
    Inventor: K. Pushpananda A. Senaratne
  • Patent number: 4628124
    Abstract: Tetrabromobisphenol-A is made in high purity by adding a methanol-bromine solution to a methanol-bisphenol-A solution with vigorous agitation. Use of the bromine-methanol solution reduces the amount of by-products compared to use of liquid bromine feed.
    Type: Grant
    Filed: September 23, 1985
    Date of Patent: December 9, 1986
    Assignee: Ethyl Corporation
    Inventors: Bonnie G. McKinnie, Olan W. Mitchell
  • Patent number: 4628127
    Abstract: A process for producing 2,4-di-substituted phenols wherein an olefin is reacted with phenol in the presence of a heterogeneous catalyst comprising an aluminum phenoxide bonded to an acidic solid polymeric resin to preferably form 2,4-di-substituted phenol. A process for preparing a heterogeneous catalyst and a heterogeneous catalyst having the structure(Resin --A--).sub.m Al(--OC.sub.6 R.sub.5).sub.n (11)wherein Resin is a solid polymeric resin having acidic functional groups A, m is 1 or 2, n is 2 or 3 and the R are independently selected from H, alkyl, cycloalkyl, and aralkyl. Preferably, a styrene-divinylbenzene polymeric resin of a macroreticular structure is used for the alkylation process and A is --SO.sub.3 --.
    Type: Grant
    Filed: June 25, 1985
    Date of Patent: December 9, 1986
    Assignee: Ethyl Corporation
    Inventors: Silas W. Holmes, Edward A. Burt, Dixie E. Goins
  • Patent number: 4627967
    Abstract: Polymerization grade phosphonitrilic chloride trimer is made by reacting NH.sub.4 Cl and PCl.sub.5 in a solvent (e.g. monochlorobenzene) to form a crude trimer solution, filtering the solution to remove unreacted NH.sub.4 Cl, distilling a portion of the solvent to form a hot concentrate, cooling the concentrate to obtain a precipitate, distilling the precipitate at reduced pressure to first remove a forecut and then a heart-cut of polymerization grade phosphonitrilic chloride trimer.
    Type: Grant
    Filed: October 5, 1984
    Date of Patent: December 9, 1986
    Assignee: Ethyl Corporation
    Inventor: W. Dirk Klobucar
  • Patent number: 4626592
    Abstract: Amines and amides are N,N-cyclodialkylated by reaction with an unstrained cyclic ether in the presence of a B-subgroup metal oxide alkylation catalyst, preferably a Group IV-B metal oxide such as titanium dioxide.
    Type: Grant
    Filed: December 24, 1984
    Date of Patent: December 2, 1986
    Assignee: Ethyl Corporation
    Inventor: Duane C. Hargis
  • Patent number: 4626259
    Abstract: Coking in and around the injector nozzles of indirect injection compression ignition engines is reduced by means of distillate fuel with which has been blended suitable concentrations of (i) organic nitrate ignition accelerator, and (ii) a sterically hindered 4,4'-thiobis phenol.Also described are additive mixtures of (i) and (ii) for use in distillate fuels in amounts sufficient to reduce the coking tendencies of such fuels when used in the operation of indirect injection compression ignition engines.
    Type: Grant
    Filed: October 31, 1985
    Date of Patent: December 2, 1986
    Assignee: Ethyl Corporation
    Inventors: Edward F. Zaweski, Leonard M. Niebylski
  • Patent number: 4623361
    Abstract: Coking in and around the injector nozzles of indirect injection compression ingition engines is reduced by means of distillate fuel with which has been blended suitable concentrations of (i) organic nitrate ignition accelerator, and (ii) organic phosphate.Also described are additive mixtures of (i) and (ii) for use in distillate fuels in amounts sufficient to reduce the coking tendencies of such fuels when used in the operation of indirect injection compression ignition engines.
    Type: Grant
    Filed: October 31, 1985
    Date of Patent: November 18, 1986
    Assignee: Ethyl Corporation
    Inventors: Edward F. Zaweski, Leonard M. Niebylski
  • Patent number: 4623360
    Abstract: Coking in and around the injector nozzles of indirect injection compression ignition engines is reduced by means of distillate fuel with which has been blended suitable concentrations of (i) organic nitrate ignition accelerator, and (ii) a boronated phenolic compound.Also described are additive mixtures of (i) and (ii) for use in distillate fuels in amounts sufficient to reduce the coking tendencies of such fuels when used in the operation of indirect injection compression ignition engines.
    Type: Grant
    Filed: October 31, 1985
    Date of Patent: November 18, 1986
    Assignee: Ethyl Corporation
    Inventors: Edward F. Zaweski, Leonard M. Niebylski
  • Patent number: 4623362
    Abstract: Coking in and around the injector nozzles of indirect injection compression ignition engines is reduced by means of distillate fuel with which has been blended suitable concentrations of (i) organic nitrate ignition accelerator, and (ii) an alkoxyalkanol.Also described are additive mixtures of (i) and (ii) for use in distillate fuels in amounts sufficient to reduce the coking tendencies of such fuels when used in the operation of indirect injection compression ignition engines.
    Type: Grant
    Filed: November 14, 1985
    Date of Patent: November 18, 1986
    Assignee: Ethyl Corporation
    Inventors: Edward F. Zaweski, Leonard M. Niebylski
  • Patent number: 4623363
    Abstract: Coking in and around the injector nozzles of indirect injection compression ignition engines is reduced by means of distillate fuel with which has been blended suitable concentrations of (i) organic nitrate ignition accelerator and (ii) a P.sub.2 S.sub.5 -terpene reaction product.Also described are additive mixtures of (i) and (ii) for use in distillate fuels in amounts sufficient to reduce the coking tendencies of such fuels when used in the operation of indirect injection compression ignition engines.
    Type: Grant
    Filed: November 27, 1985
    Date of Patent: November 18, 1986
    Assignee: Ethyl Corporation
    Inventors: Edward F. Zaweski, Leonard M. Niebylski
  • Patent number: 4623529
    Abstract: The present invention is directed to the preparation of a synthetic crystalline zeolite of the clinoptilolite type wherein a solid amorphous silica, an alumina source, sodium hydroxide, a seed clinoptilolite and water are mixed together, heated, refluxed, then filtered and a synthetic crystalline zeolite of the clinoptilolite type obtained.
    Type: Grant
    Filed: September 16, 1985
    Date of Patent: November 18, 1986
    Assignee: Ethyl Corporation
    Inventors: Robert N. Sanders, Sebastian M. Laurent
  • Patent number: 4622036
    Abstract: An absorptive structure for absorbing and containing fluids from a source exterior of said structure comprising a topsheet, an absorbent element and a back sheet, wherein said topsheet is a liquid permeable material formed from particles of non-dissolvable polymeric materials partially fused together to form a continuous sheet and has a multiplicity of openings therein of a predetermined size and shape so as to direct fluid flow into the absorbent element and inhibit fluid flow from the absorbent element through the topsheet, and said back sheet is impervious to liquids.
    Type: Grant
    Filed: July 2, 1984
    Date of Patent: November 11, 1986
    Assignee: Ethyl Corporation
    Inventor: Richard W. Goodrum
  • Patent number: 4619961
    Abstract: Organic materials are made flame retardant by addition of a polyhalogenated polyphenylene sulfide such as decabromodiphenyl sulfide or 1,4-thiobis(2,4,6-tribromophenyl)-2,3,5,6-tetrabromobenzene alone or in combination with a Group VA metal oxide, e.g. Sb.sub.2 O.sub.3. A process for making the compounds is also disclosed.
    Type: Grant
    Filed: December 26, 1984
    Date of Patent: October 28, 1986
    Assignee: Ethyl Corporation
    Inventors: Burton J. Sutker, Saadat Hussain, Amgad S. Mossaad
  • Patent number: 4614593
    Abstract: A water-soluble polymer of monoallylamine is used as a demulsifying agent for breaking oil-in-water emulsions. This enables rapid and efficient separation between the aqueous phase and the liquid organic phase by a variety of conventional physical techniques such as settling and decantation, centrifugation, and the like.
    Type: Grant
    Filed: September 12, 1985
    Date of Patent: September 30, 1986
    Assignee: Ethyl Corporation
    Inventor: David N. Roark
  • Patent number: 4613341
    Abstract: Coking in and around the injector nozzles of indirect injection compression ignition engines is reduced by means of distillate fuel with which has been blended suitable concentrations of (i) organic nitrate ignition accelerator, and (ii) an additive selected from the group consisting of fuel-soluble aliphatic hydrocarbon-substituted succinimide, succinamide and mixtures thereof. The aliphatic hydrocarbon group contains about 12-36 carbon atoms and is derived from an isomerized straight chain .alpha.-olefin.Also described are additive mixtures of (i) and (ii) for use in distillate fuels in amounts sufficient to reduce the coking tendencies of such fuels when used in the operation of indirect injection compression ignition engines.
    Type: Grant
    Filed: May 31, 1985
    Date of Patent: September 23, 1986
    Assignee: Ethyl Corporation
    Inventors: Edward F. Zaweski, Leonard M. Niebylski
  • Patent number: 4613705
    Abstract: Aromatic amines are alkylated by reaction with an alcohol in the presence of a Group V-B metal oxide alkylation catalyst, preferably a major proportion of a Group V-B metal oxide such as V.sub.2 O.sub.5 in combination with a minor proportion of an A-subgroup metal oxide such as SnO.sub.2, so that alkylation of the aromatic amine occurs. Under most reaction conditions a considerable portion of the alcohol alkylating agent such as ethanol not consumed in the alkylation reaction passes through the reaction zone undecomposed and thus can be readily recovered for recycle or other use.
    Type: Grant
    Filed: June 25, 1984
    Date of Patent: September 23, 1986
    Assignee: Ethyl Corporation
    Inventor: Duane C. Hargis
  • Patent number: 4613642
    Abstract: Compounds with 3,5-dibenzyl-4-hydroxyphenyl substituents have good thermal stability. Organic compositions containing the new additives are protected from oxidative degradation.
    Type: Grant
    Filed: December 24, 1984
    Date of Patent: September 23, 1986
    Assignee: Ethyl Corporation
    Inventor: Lester P. J. Burton
  • Patent number: 4613548
    Abstract: A magnetic recording media containing a normally liquid polyphosphazene lubricant, e.g. low molecular weight linear or cyclic poly-fluoroalkoxy phosphazene mixtures.
    Type: Grant
    Filed: February 11, 1985
    Date of Patent: September 23, 1986
    Assignee: Ethyl Corporation
    Inventor: Genevieve S. Lum
  • Patent number: 4612398
    Abstract: A process for making alkyl mercaptans in high yield while minimizing the formation of dialkyl sulfides is conducted by reacting an olefin with hydrogen sulfide in an inert solvent (e.g. CH.sub.2 Cl.sub.2) containing a Lewis Acid catalyst (e.g. BF.sub.3). Best results are obtained when the olefin is added to the hydrogen sulfide solution at a rate that keeps the amount of unreacted olefin below about 0.05 moles per mole of hydrogen sulfide.
    Type: Grant
    Filed: April 27, 1984
    Date of Patent: September 16, 1986
    Assignee: Ethyl Corporation
    Inventor: John Y. Lee
  • Patent number: D286434
    Type: Grant
    Filed: August 1, 1983
    Date of Patent: October 28, 1986
    Assignee: Capitol Products Corporation
    Inventor: Dietrich F. Schmidt