Patents Represented by Attorney Sidney B. Ring

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  • Polymerization of aromatic nitrogen heterocyclic compounds
    Patent number: 4312832
    Abstract: This invention relates to polymerized aromatic nitrogen heterocyclic compounds as illustrated by compounds containing nitrogen heterocyclic rings and uses thereof.Polymerization is effected by treating said aromatic nitrogen heterocyclic compounds at elevated temperatures and pressures with catalytic amounts of alkyl halides.
    Type: Grant
    Filed: August 12, 1980
    Date of Patent: January 26, 1982
    Assignee: Petrolite Corporation
    Inventor: Patrick M. Quinlan
  • Corrosion inhibitor for highly oxygenated systems
    Patent number: 4311662
    Abstract: This invention relates to the use of phosphorylated oxyalkylated polyols as corrosion inhibitors in highly oxygenated systems such as experienced in air drilling. These corrosion inhibitors not only inhibit general or overall corrosion but also inhibit localized corrosion of the pitting type.
    Type: Grant
    Filed: February 13, 1978
    Date of Patent: January 19, 1982
    Assignee: Petrolite Corporation
    Inventor: Thomas J. Bellos
  • .alpha.-1,4-Thiazine alkanephosphonic acids as corrosion inhibitors
    Patent number: 4311663
    Abstract: Use, as corrosion inhibitor of .alpha.-1,4-thiazine alkanephosphonic acids.
    Type: Grant
    Filed: October 2, 1980
    Date of Patent: January 19, 1982
    Assignee: Petrolite Corporation
    Inventor: Patrick M. Quinlan
  • Process of preparing hexahydropyrimidines
    Patent number: 4311841
    Abstract: This invention relates to hexahydropyrimidines (HHP) of the formula ##STR1## where R' is a substituted group and R is hydrogen or a substituted group; the process of preparing and the uses therefor, particularly as deterioration inhibitors in hydrocarbon fuels.
    Type: Grant
    Filed: November 21, 1977
    Date of Patent: January 19, 1982
    Assignee: Petrolite Corporation
    Inventors: Neil E. S. Thompson, Bernardus A. Oude Alink
  • Quaternary ammonium adducts of polymerizable tertiary ammonium salts and acrylonitrile
    Patent number: 4310472
    Abstract: This invention relates to adducts of salts of polymerizable tertiary amines with acrylic compounds illustrated by acrylamide and acrylonitrile; to polymers and copolymers containing said adducts and to processes for preparing them. This invention also relates to the use of said polymers and copolymers, particularly in the clarification of turbid waters by flocculation or flotation of oil and/or suspended solids. In the preferred embodiment, the quaternary adduct monomer is: ##STR1## where X is an anion, preferably halide such as chloride or carboxylate such as acetate; and polymers and copolymers containing units thereof.
    Type: Grant
    Filed: March 24, 1980
    Date of Patent: January 12, 1982
    Assignee: Petrolite Corporation
    Inventors: Rudolf S. Buriks, Allen R. Fauke, David W. Griffiths
  • Di-quaternary ammonium salts of .alpha.-1,4-thiazine alkanephosphonic acids as corrosion inhibitors
    Patent number: 4309383
    Abstract: Use, as a corrosion inhibitor, of di-quaternary ammonium salts of .alpha.-1,4-thiazine alkanephosphonic acids.
    Type: Grant
    Filed: October 14, 1980
    Date of Patent: January 5, 1982
    Assignee: Petrolite Corporation
    Inventor: Patrick M. Quinlan
  • Energy efficient process of preparing triaryl phosphates
    Patent number: 4305789
    Abstract: In a process of preparing triaryl phosphates by direct esterification which comprisesA. Reaction Steps:The steps of(a) Reacting a hydroxyaryl with phosphoric acid or equivalent to form an aryl phosphate and water(b) Removing the water by entrainment by means of hydroxyaryl vapor, and(c) Condensing the water-containing entraining vapor, andB. Dehydration Step:The step of separating the water from the water-containing entraining vapor by distillation, andC. Recycling Steps:The steps of(a) Evaporating the dry hydroxyaryl liquid and(b) Using its vapor as the entraining vapor in step (A, b).the improvement which comprisesI. Carrying out the Reaction Steps A at essentially higher pressure than the Dehydration Step B, andII. Using all, or part of, the water-containing hydroxyaryl vapor from Step (A, b) as the heating medium in Step B.
    Type: Grant
    Filed: March 5, 1980
    Date of Patent: December 15, 1981
    Inventor: Walter H. Prahl
  • Ureylenes and uses thereof
    Patent number: 4303780
    Abstract: This invention relates to ureylene prepared by reacting an oxyalkylated polyamine with urea and to uses of such ureylene for example in removing oils, solids, and combinations thereof from aqueous systems, etc.
    Type: Grant
    Filed: February 26, 1980
    Date of Patent: December 1, 1981
    Assignee: Petrolite Corporation
    Inventor: Thomas J. Bellos
  • Method using hydrocarbon foams as well stimulants
    Patent number: 4301868
    Abstract: This invention relates to the use of silicone-induced hydrocarbon foams as well stimulants, for example as illustrated by their use in fracturing well formations, removal of paraffin in wells, removal of condensate hydrocarbons from blocked gas wells, etc.
    Type: Grant
    Filed: October 15, 1979
    Date of Patent: November 24, 1981
    Assignee: Petrolite Corporation
    Inventors: Gary A. Scherubel, Michael A. Thorne
  • Radial flow electrofilter
    Patent number: 4302310
    Abstract: A radial flow electrofilter having a plurality of parallel planar horizontal electrodes. The filter may be provided with backflush means, in which case the filter medium preferably consists of non-deformable particles, or else a removable filter pack, preferably employing polyurethane foam, may be employed. In operation, finely divided solids, contained in a liquid of low electrical conductivity, may be efficiently removed by passing the liquid radially through the filter, while subjected to a unidirectional current electric field, from the periphery of the filter toward its center.
    Type: Grant
    Filed: October 16, 1979
    Date of Patent: November 24, 1981
    Assignee: Petrolite Corporation
    Inventors: Frederick D. Watson, Weldon D. Mayse, Albert D. Franse
  • Quaternaries of hydroxyalkylaminoalkylamides
    Patent number: 4299982
    Abstract: This invention relates to hydroxyalkylaminoalkylamides, the N-alkylated derivatives thereof, and the preparation and uses thereof.
    Type: Grant
    Filed: December 18, 1980
    Date of Patent: November 10, 1981
    Assignee: Petrolite Corporation
    Inventors: Derek Redmore, Benjamin T. Outlaw
  • Low temperature process of preparing Mg(OH).sub.2 suspensions
    Patent number: 4298482
    Abstract: This invention relates to a process of preparing stable suspensions of Mg(OH).sub.2 which comprises blending Mg(OH).sub.2 powder with acid in a surfactant-containing fluid to effect particle size reduction of the starting Mg(OH).sub.2 powder. In practice, the mole-fraction of acid employed is less than 50% of that stoichiometrically necessary for the formation of the magnesium salt.
    Type: Grant
    Filed: June 20, 1979
    Date of Patent: November 3, 1981
    Assignee: Petrolite Corporation
    Inventors: William J. Cheng, David B. Guthrie
  • Quaternized derivatives of polymerized pyridines and quinolines
    Patent number: 4297484
    Abstract: This invention relates to alkylated derivatives of polymerized aromatic nitrogen heterocyclic compounds as illustrated by polymerized pyridine, quinoline and derivatives thereof; and uses thereof.These compositions are polymerized by treating said aromatic nitrogen heterocyclic compounds at elevated temperatures and pressures with catalytic amounts of alkyl halides and then alkylating the polymerized products formed.
    Type: Grant
    Filed: April 23, 1979
    Date of Patent: October 27, 1981
    Assignee: Petrolite Corporation
    Inventor: Patrick M. Quinlan
  • MgO Dispensions
    Patent number: 4293429
    Abstract: This invention relates to a stable, fluid magnesium oxide-containing dispersion prepared by the thermal treatment of MgO powder in a non-volatile fluid in the presence of a stoichiometric or lesser amount of a carboxylic acid as illustrated by acetic acid.
    Type: Grant
    Filed: January 16, 1980
    Date of Patent: October 6, 1981
    Assignee: Petrolite Corporation
    Inventors: William J. Cheng, David B. Guthrie, Donald M. Leiendecker
  • N-Substituted 1,2,3,4-tetrahydropyrimidines, Hexahydropyrimidines and process for their preparation
    Patent number: 4281126
    Abstract: This invention relates to the following compounds: ##STR1## Process for their preparation and uses thereof, where R.sub.1 and R.sub.2 are substituted groups, and R.sub.6, R.sub.5, R.sub.4 and R.sub.3 are hydrogen or substituted groups.
    Type: Grant
    Filed: January 30, 1978
    Date of Patent: July 28, 1981
    Assignee: Petrolite Corporation
    Inventor: Bernardus A. Oude Alink
  • Laminating composition and uses
    Patent number: 4279659
    Abstract: A composition useful in lamination, the process of applying this composition, and the resulting laminated structure. This composition comprises (1) a microcrystalline-type wax, for example melting from about 140.degree.-200.degree. F. (2) a resin, for example petroleum polymer resins, terpene polymer resins, rosin and rosin esters, having a molecular weight of about 800 to 2,000 and (3) atactic polypropylene. The composition comprises about 20-40% of atactic polypropylene; about 10-25% of polymer resin; the balance (30-70%) being microcrystalline wax. This composition is applied and the plys joined together at a temperature above about 225.degree. F. to yield a laminated structure having optimum properties, particularly excellent hot peeling strength.
    Type: Grant
    Filed: July 11, 1979
    Date of Patent: July 21, 1981
    Assignee: Petrolite Corporation
    Inventor: George E. Unmuth
  • Tertiary amino-substituted thiazines
    Patent number: 4276291
    Abstract: This invention relates to tertiary aminosubstituted thiazines; the process of preparing such thiazines; and uses thereof, for example, as corrosion inhibitors, microbiocides, etc.
    Type: Grant
    Filed: June 23, 1980
    Date of Patent: June 30, 1981
    Assignee: Petrolite Corporation
    Inventor: Patrick M. Quinlan
  • Quaternaries of tertiary amino-substituted thiazines
    Patent number: 4276416
    Abstract: This invention relates to quaternaries of tertiary amino-substituted thiazines; the process of preparing such quaternary thiazines; and uses thereof, for example, as corrosion inhibitors, microbiocides, etc.
    Type: Grant
    Filed: August 12, 1976
    Date of Patent: June 30, 1981
    Assignee: Petrolite Corporation
    Inventor: Patrick M. Quinlan
  • Polymerization of aromatic nitrogen heterocyclic compounds
    Patent number: 4275191
    Abstract: This invention relates to polymerized aromatic nitrogen heterocyclic compounds as illustrated by compounds containing nitrogen heterocyclic rings and uses thereof.Polymerization is effected by treating said aromatic nitrogen heterocyclic compounds at elevated temperatures and pressures with catalytic amounts of alkyl halides.
    Type: Grant
    Filed: April 23, 1979
    Date of Patent: June 23, 1981
    Assignee: Petrolite Corporation
    Inventor: Patrick M. Quinlan
  • Quaternaries of hydroxyalkylaminoalkylamides
    Patent number: 4270001
    Abstract: This invention relates to hydroxyalkylaminoalkylamides, the N-alkylated derivatives thereof, and the preparation and uses thereof. This invention also relates to quaternaries of the above-mentioned hydroxyalkylaminoalkylamides.
    Type: Grant
    Filed: July 11, 1977
    Date of Patent: May 26, 1981
    Assignee: Petrolite Corporation
    Inventors: Derek Redmore, Benjamin T. Outlaw