Patents Represented by Attorney Robert H. Dewey

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  • Method of controlling the growth of bacteria and fungi
    Patent number: 4166121
    Abstract: The product prepared by the process consisting of the steps of (a) reacting a nitroalcohol of the formula ##STR1## where R and R.sup.1 can be hydrogen, methyl, ethyl or hydroxymethyl in about a 1:1 mole ratio with an alkylamine represented by the formula R.sup.2 NH.sub.2 where R.sup.2 is alkyl of from 1 to 4 or more carbon atoms or phenyl, benzyl, toluyl, or xylyl at about 50.degree.-70.degree. thereby effecting formation of a nitroalkylamine; (b) reacting the nitroalkylamine with nitrous acid at about 0.degree.-5.degree., thereby forming a nitroso compound; and (c) reducing the nitroso compound.
    Type: Grant
    Filed: September 14, 1978
    Date of Patent: August 28, 1979
    Assignee: International Minerals & Chemical Corporation
    Inventor: Herbert L. Wehrmeister
  • Nitrosamine reaction products for controlling the growth of bacteria and fungi
    Patent number: 4148803
    Abstract: The product prepared by the process consisting of the steps of (a) reacting a nitroalcohol of the formula ##STR1## where R and R.sup.1 can be hydrogen, methyl, ethyl or hydroxymethyl in about a 1:1 mole ratio with an alkylamine represented by the formula R.sup.2 NH.sub.2 where R.sup.2 is alkyl of from 1 to 4 or more carbon atoms or phenyl, benzyl, toluyl, or xylyl at about 50.degree.-70.degree. thereby effecting formation of a nitroalkylamine; (b) reacting the nitroalkylamine with nitrous acid at about 0.degree.-5.degree., thereby forming a nitroso compound; and (c) reducing the nitroso compound.
    Type: Grant
    Filed: February 23, 1978
    Date of Patent: April 10, 1979
    Assignee: International Minerals & Chemical Corp.
    Inventor: Herbert L. Wehrmeister
  • Binders for foundry mixes comprising polyisocyanate and styrene-allyl alcohol copolymer or alkylene oxide derivative thereof
    Patent number: 4144215
    Abstract: A foundry core composition comprising a foundry aggregate, a resin base such as styrene-allyl alcohol copolymer or alkylene oxide derivative thereof, a polyisocyanate, and a catalyst therefor; the compositions being suitable for use in cold box, no-bake, and rapid no-bake processes.
    Type: Grant
    Filed: June 21, 1978
    Date of Patent: March 13, 1979
    Assignee: International Minerals & Chemical Corp.
    Inventor: Arek Khachaturian
  • Process for the production of 2-nitrobutylmorpholine
    Patent number: 4140855
    Abstract: In a process for the production of 2-nitrobutylmorpholine from 1-nitropropane, morpholine and formaldehyde the improvement comprising mixing 1-nitropropane and morpholine, heating to about 55-60.degree. C., adding formaldehyde over about a 3-4 hour period, holding the reaction mixture at about 55-60.degree. C. for about a 2-3 hour period to make a total addition/holding period of at least six hours, cooling the reacton mixture to form a two phase oil/aqueous system and concentrating the oil layer to 2-nitrobutylmorpholine by removing excess water and 1-nitropropane.
    Type: Grant
    Filed: July 17, 1978
    Date of Patent: February 20, 1979
    Assignee: International Minerals & Chemical Corp.
    Inventor: Robert W. Shelton
  • Acrylate-modified alkyd resin
    Patent number: 4133786
    Abstract: An acrylate modified alkyd resin obtained by the process consisting of the steps (a) forming an alkyd resin by reacting a conjugated fatty acid and an aromatic dicarboxylic acid or anhydride, and dimethylolpropionic acid with an excess of polyol, and (b) reacting the alkyd so formed with an alkyl-substituted or un-substituted acrylic acid or ester thereof or mixture thereof.
    Type: Grant
    Filed: October 5, 1977
    Date of Patent: January 9, 1979
    Assignee: International Minerals & Chemical Corp.
    Inventors: Robert R. Harris, Warren J. Pollack
  • Imidazoline compounds useful as bactericides and fungicides
    Patent number: 4128655
    Abstract: A method of controlling the growth of microorganisms by applying to them or to their habitat an imidazoline represented by the formula ##STR1## where R can be hydrogen or methyl, R.sup.1 can be hydrogen, or alkyl of 1-3 carbon atoms, R.sup.2 can be hydrogen or methyl, R.sup.3 can be alkyl of 6-10 carbon atoms and x is 1 or 2.
    Type: Grant
    Filed: March 11, 1977
    Date of Patent: December 5, 1978
    Assignee: International Minerals & Chemical Corp.
    Inventors: Jerry H. Hunsucker, James R. Selleck, Jr.
  • Modified clay paper coating
    Patent number: 4128263
    Abstract: A modified clay paper coating composition comprising a montmorillonite clay having at least partially hydrolyzed aluminum chloride bonded thereto is made by treating montmorillonite clay with a non-aqueous solution of anhydrous aluminum chloride following by hydrolyzing with hot water. A paper substrate coated with this composition exhibits improved image light fastness when employed in a pressure-sensitive duplication system.
    Type: Grant
    Filed: May 26, 1977
    Date of Patent: December 5, 1978
    Assignee: International Minerals & Chemical Corp.
    Inventors: James T. Traxler, Emil P. Lira, John F. Kraemer
  • Method of promoting growth and improving feed efficiency of animals
    Patent number: 4128642
    Abstract: A method of promoting the growth and improving the feed efficiency of animals using substituted quinoxalines represented by the formula: ##STR1## where R is hydrogen or lower alkyl of 1 to about 4 carbon atoms.
    Type: Grant
    Filed: December 20, 1976
    Date of Patent: December 5, 1978
    Assignee: International Minerals & Chemical Corp.
    Inventors: Richard E. Ivy, Robert D. Williams
  • Foundry resin components
    Patent number: 4116916
    Abstract: A new foundry binder composition comprises a selected phenol-formaldehyde resin, a polyisocyanate, and a selected solvent therefor. A preferred solvent is ketal or an acetal such as butyl acetal. The resole is essentially anhydrous, should contain about 8% free phenol, and is further preferably characterized by the presence of substituent --(CH.sub.2 --O).sub.n --R groups replacing a phenolic hydrogen, R being a hydrocarbon radical such as butyl. Methylene and ether bridges linking phenolic nuclei are predominantly ortho-para with some para-para bridges. Also disclosed is the admixture of a reactive polyisocyanate and a solvent such as butyl acetal.
    Type: Grant
    Filed: October 28, 1977
    Date of Patent: September 26, 1978
    Assignee: International Minerals & Chemical Corp.
    Inventor: Melville J. Holik
  • Polyurethane-modified alkyd resin
    Patent number: 4116902
    Abstract: A polyurethane-modified alkyd resin obtained by the process consisting of the steps (a) forming an alkyd resin by reacting an unsaturated fatty acid with an aromatic dicarboxylic acid or anhydride, and dimethylolpropionic acid with an excess of polyol, and (b) reacting the alkyd so formed with toluene diisocyanate.
    Type: Grant
    Filed: October 5, 1977
    Date of Patent: September 26, 1978
    Assignee: International Minerals & Chemical Corp.
    Inventors: Robert Richard Harris, Warren John Pollack
  • Composition process for aqueous base coatings for corrodible metals
    Patent number: 4108811
    Abstract: Water base latex compositions suitable for coating corrodible metals, such as sand blasted ferrous metal, are prepared by a process characterized by the essential steps of (1) emulsifying under alkaline conditions a film forming oxidatively curable oil or alkyd modified polyurethane, and (2) blending therewith a copolymeric or homopolymeric acrylic or vinyl acetate latex.For metal coatings or for universal coatings for both (bleeding) woods and metal, a single pigment or a combination of pigments with corrosion inhibiting characteristics can be used with the polyurethane-acrylic latex, or polyurethane vinyl latex.
    Type: Grant
    Filed: December 2, 1976
    Date of Patent: August 22, 1978
    Assignee: International Minerals & Chemical Corp.
    Inventor: Paul Sheppard Eckhoff
  • Alkanolamine derivatives
    Patent number: 4107171
    Abstract: A product obtained by reacting an alkanolamine represented by the formula ##STR1## where R is methyl, ethyl or hydroxymethyl and R.sup.2 is hydrogen, methyl or hydroxymethyl, with oiticica oil at ambient temperatures or above having utility as a dispersing agent in water-based paints.
    Type: Grant
    Filed: December 13, 1976
    Date of Patent: August 15, 1978
    Assignee: IMC Chemical Group, Inc.
    Inventor: Louis A. Jurisch
  • Method of controlling the growth of microorganisms
    Patent number: 4105552
    Abstract: A method of controlling the growth of microorganisms by applying to them or to the environment inhabited by them a compound represented by the formula ##STR1## where R can be hydrogen, methyl or ethyl and x is 1 or 2.
    Type: Grant
    Filed: May 16, 1977
    Date of Patent: August 8, 1978
    Assignee: IMC Chemical Group, Inc.
    Inventors: Jerry H. Hunsucker, James R. Selleck, Jr.
  • Bacitracin recovery process
    Patent number: 4101539
    Abstract: A process for the recovery of bacitracin from a fermented beer containing it comprising the steps of:A. screening the fermented beer through a 100-150 mesh screen,B. adjusting the pH of the fermented beer to about 7.5 to about 8.7,C. ultrafiltering the fermented beer in an ultrafilter having a molecular weight cut off of from 30,000 to 80,000, andD. collecting and holding the bacitracin containing permeate at a temperature of less than 30.degree. C.
    Type: Grant
    Filed: October 17, 1977
    Date of Patent: July 18, 1978
    Assignee: IMC Chemical Group, Inc.
    Inventors: James Alexander Kindraka, John Bernard Gallagher
  • Composition
    Patent number: 4101433
    Abstract: A composition consisting essentially of tris(hydroxymethyl)nitromethane and about an equal part of a mixture consisting of 4-(2-nitrobutyl)morpholine and 4,4-(2-ethyl-2-nitromethylene)dimorpholine in a ratio of about 3.5:1 respectively. The composition is useful as an antimicrobial.
    Type: Grant
    Filed: March 25, 1977
    Date of Patent: July 18, 1978
    Assignee: IMC Chemical Group, Inc.
    Inventors: Robert F. Purcell, James R. Selleck, Jr.
  • Method of controlling the growth of algae and viruses using members of the class of oxazolidines
    Patent number: 4092144
    Abstract: The disclosed oxazolidines are useful as anti-algal and anti-viral agents. The compounds are of a low order of toxicity to warm-blooded animals.
    Type: Grant
    Filed: December 8, 1976
    Date of Patent: May 30, 1978
    Assignee: IMC Chemical Group, Inc.
    Inventor: Jerry Hoyt Hunsucker
  • Method of synthesis of 4,5,6-trihydroxyisophthalic acid
    Patent number: 4092351
    Abstract: A process for the synthesis of 4,5,6-trihydroxyisophthalic acid by reacting dialkyl glutarate with dialkyl dialkoxymalonate.
    Type: Grant
    Filed: May 25, 1977
    Date of Patent: May 30, 1978
    Assignee: IMC Chemical Group, Inc.
    Inventor: Mohammed T. Shipchandler
  • Process for production of substituted oxazolines
    Patent number: 4092326
    Abstract: A method for the production of 2-[(2-hydroxymethyl)phenyl]-2-oxazolines by condensing o-phthalaldehyde with an alkanolamine represented by the formula ##STR1## where R is an alkyl group of 1 to 3 carbon atoms and R.sup.1 is hydrogen or methyl. The compounds have utility as tranquilizing agents.
    Type: Grant
    Filed: December 13, 1976
    Date of Patent: May 30, 1978
    Assignee: IMC Chemical Group, Inc.
    Inventor: Mohammed T. Shipchandler
  • Process for the production of non-lachrymatory nitro amines
    Patent number: 4088817
    Abstract: An improvement in the process for the production of P-1487 from the reaction of 1-nitropropane, 37% formaldehyde and morpholine, the improvement comprising mixing 1-nitropropane and 37% formaldehyde at a temperature of 40.degree.-42.degree. C., adding morpholine maintaining the temperature at 40.degree.-42.degree. C., holding the mixture for two hours at 40.degree.-42.degree. C., cooling to allow layer separation, separating the upper oil layer and concentrating the oil layer to P-1487 by removing excess water.
    Type: Grant
    Filed: January 27, 1977
    Date of Patent: May 9, 1978
    Assignee: IMC Chemical Group, Inc.
    Inventors: Jerry H. Hunsucker, Robert W. Shelton
  • N-substituted nitroalkyl oxazolidine
    Patent number: 4088655
    Abstract: N-Substituted nitroalkyl or nitrohydroxyalkyl oxazolidines having utility as anti-microbial agents.
    Type: Grant
    Filed: May 13, 1974
    Date of Patent: May 9, 1978
    Assignee: IMC Chemical Group, Inc.
    Inventor: Jerry H. Hunsucker