Patents Assigned to Angus Chemical Company
  • Dehydroxylation of nitroalcohols to nitroalkanes
    Patent number: 9255061
    Abstract: The present invention provides a process for producing nitroalkanes by dehydroxylation of nitroalcohols. This provides an alternate reaction route for making nitroalkanes, such as 2-nitropropane and its derivatives.
    Type: Grant
    Filed: November 21, 2013
    Date of Patent: February 9, 2016
    Assignee: ANGUS CHEMICAL COMPANY
    Inventors: Paul Davis, Raj Deshpande, George David Green, Vandana Pandey
  • Alkyl hydroxylamine compounds and their use for shortstopping free radical polymerizations
    Patent number: 9234052
    Abstract: This invention provides a method for shortstopping free radical polymerization reactions using combinations of N-isopropylhydroxylamine (IPHA) or salts thereof with either primary or secondary alkyl hydroxylamines, or with at least two primary alkyl hydroxylamines. A method for producing elastomers using the aforesaid shortstopping agents is also provided.
    Type: Grant
    Filed: June 13, 2013
    Date of Patent: January 12, 2016
    Assignee: ANGUS CHEMICAL COMPANY
    Inventors: Kaustubh Gupte, Charles E. Coburn, Mrunalini S. Dhamdhere, Mahesh Sawant
  • Process and apparatus for production and filtration of aminoalcohols using a continuous stirred tank slurry reactor
    Patent number: 9211518
    Abstract: Disclosed are processes and apparatuses for producing a reaction product and enabling the reaction product to be removed from a reactor operating at an elevated pressure, while simultaneously maintaining the gas pressure and retaining the catalyst inside the apparatus.
    Type: Grant
    Filed: June 8, 2012
    Date of Patent: December 15, 2015
    Assignee: ANGUS CHEMICAL COMPANY
    Inventors: Michael D. Major, John D. Gummere
  • Process for the preparation of nitroalcohols
    Patent number: 9212126
    Abstract: A process of preparing a nitroalcohol, e.g., 2-nitro-2-methyl-1-propane, from a nitropolyol, e.g., 2-nitro-2-methyl-1,3-propanediol, the process comprising the step of contacting under hydrogenation conditions the nitropolyol with hydrogen, a hydrogenation catalyst and, optionally, a chelating agent.
    Type: Grant
    Filed: February 7, 2013
    Date of Patent: December 15, 2015
    Assignee: ANGUS CHEMICAL COMPANY
    Inventors: David W. Moore, G. David Green
  • Apparatus and process for using a nitroalkane as an entrainer for azeotropic removal of water from aqueous acid solution
    Patent number: 9192877
    Abstract: Disclosed are a process and an apparatus for concentrating an organic acid by using a nitroalkane as an entrainer for the azeotropic removal of water from an aqueous organic acid solution. The nitroalkane may be the same as a nitroalkane that is the product of a high pressure nitration process that produces nitroalkanes and aqueous organic acid.
    Type: Grant
    Filed: December 7, 2011
    Date of Patent: November 24, 2015
    Assignee: ANGUS CHEMICAL COMPANY
    Inventors: Mahesh Ratnakar Sawant, Daniel M. Trauth, John G. Pendergast
  • AMINE COMPOUNDS AND THEIR USE AS ZERO OR LOW VOC NEUTRALIZERS
    Publication number: 20150329728
    Abstract: Provided are compounds for use as neutralizing agents in aqueous formulations. The compounds are of the formula I: [Formula should be inserted here] wherein R, R?, X, and M+ are as described herein.
    Type: Application
    Filed: November 19, 2013
    Publication date: November 19, 2015
    Applicant: ANGUS Chemical Company
    Inventors: William C. Miles, Charles E. Coburn
  • Nitrated hydrocarbons, derivatives, and processes for their manufacture
    Patent number: 9187436
    Abstract: Provided is a process for the formation of nitrated compounds by the nitration of hydrocarbon compounds with dilute nitric acid. Also provided are processes for preparing industrially useful downstream derivatives of the nitrated compounds, as well as novel nitrated compounds and derivatives, and methods of using the derivatives in various applications.
    Type: Grant
    Filed: April 8, 2009
    Date of Patent: November 17, 2015
    Assignee: ANGUS CHEMICAL COMPANY
    Inventors: Daniel M. Trauth, George D Green, Raymond J. Swedo, Richard L. James, Ian A. Tomlinson
  • Apparatus and process for nitration selectivity flexibility enabled by azeotropic distillation
    Patent number: 9133094
    Abstract: Disclosed are processes and apparatuses for concentrating at least one organic acid using an alkyl acetate as an entrainer. The processes and apparatuses may use the same alkyl acetate as an entrainer to concentrate a mixture of organic acids.
    Type: Grant
    Filed: April 5, 2012
    Date of Patent: September 15, 2015
    Assignee: ANGUS CHEMICAL COMPANY
    Inventors: Mahesh Sawant, Daniel M. Trauth, John G. Pendergast, Jr.
  • AMINE COMPOUNDS AND THEIR USE AS ZERO OR LOW VOC NEUTRALIZERS
    Publication number: 20150166467
    Abstract: Provided are compounds for use as neutralizing agents in aqueous formulations. The compounds are of the formula I: (Formula I should be inserted here.) wherein R, R1, R2, R3, R4, and R5 are as defined herein.
    Type: Application
    Filed: May 31, 2013
    Publication date: June 18, 2015
    Applicant: ANGUS Chemical Company
    Inventors: Charles E. Coburn, William C. Miles
  • Aminoalcohol and biocide compositions for aqueous based systems
    Patent number: 9034929
    Abstract: Biocidal compositions and their use in aqueous media, such as metalworking fluids, the compositions comprising a biocidal agent; and a non-biocidal primary amino alcohol compound of the formula (I); wherein R1, R2, R3, R4, and R5 are as defined herein.
    Type: Grant
    Filed: December 13, 2007
    Date of Patent: May 19, 2015
    Assignee: ANGUS Chemical Company
    Inventors: Charles E. Coburn, John L. Pohlman, Bonnie A. Pyzowski, Patrick E. Brutto, George David Green, Raymond J. Swedo
  • Process for preparing latex paints containing biocides
    Patent number: 8952081
    Abstract: A process for incorporating water insoluble biocides in latex paint products. The process comprises adding the biocide to the dispersion phase.
    Type: Grant
    Filed: November 10, 2008
    Date of Patent: February 10, 2015
    Assignees: Dow Global Technologies LLC, ANGUS Chemical Company
    Inventors: Ioana Annis, Mark A. Henning, John W. Quinn
  • Dendrimers and methods for their preparation
    Patent number: 8901355
    Abstract: Provided are new dendrimers and processes for making them. The dendrimers are derived from a nitroalkyloxirane compound of formula (III): wherein R1, R2, and R3 are as described herein.
    Type: Grant
    Filed: May 17, 2012
    Date of Patent: December 2, 2014
    Assignees: Dow Global Technologies LLC, ANGUS Chemical Company
    Inventors: Ian A. Tomlinson, Asghar A. Peera
  • Polyhydroxy-diamines as multi-functional additives for paints, coatings and epoxies
    Patent number: 8877979
    Abstract: Provided are polyhydroxy-diamine compounds of the formula I: or salt thereof, wherein R1, R2, and R3 are as defined herein. The compounds are useful as low additives for paints, coatings and epoxy formulations.
    Type: Grant
    Filed: March 5, 2014
    Date of Patent: November 4, 2014
    Assignees: Dow Global Technologies LLC, ANGUS Chemical Company
    Inventors: Ian A. Tomlinson, Asghar A. Peera
  • PROCESS FOR MAKING 2-NITRO-1-ETHANOL DERIVATIVES
    Publication number: 20140275603
    Abstract: A process for making a 2-nitro-1-ethanol derivative of formula III: wherein R3 is as described herein is provided. Novel 2-nitro-1-ethanol derivatives provided.
    Type: Application
    Filed: March 26, 2012
    Publication date: September 18, 2014
    Applicant: ANGUS Chemical Company
    Inventors: Raymond J. Swedo, George David Green, Charles E. Coburn
  • AMINOALCOHOL COMPOUNDS AND THEIR USE AS ZERO OR LOW VOC ADDITIVES FOR PAINTS AND COATINGS
    Publication number: 20140235776
    Abstract: Provided are aminoalcohol compounds for use as additives in paints and coatings. The compounds are of the formula I: wherein p, m, n, R, R1, R2, R3, R4, R5, and R6 are as defined herein.
    Type: Application
    Filed: July 23, 2012
    Publication date: August 21, 2014
    Applicants: ANGUS CHEMICAL COMPANY, DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Asghar Peera, Raymond J. Swedo, G. David Green, Esin G. Busche, John W. Quinn, Shreyas Bhide, Mahesh Sawant
  • PROCESS FOR THE PREPARATION OF ALKYLDIAMINES
    Publication number: 20140200371
    Abstract: Provided is a process for preparing alkyl diamine compounds in high purity. The process utilizes an alkyl amine compound during the reduction of a nitroamine, resulting in reduction of the concentration of undesired byproducts.
    Type: Application
    Filed: May 17, 2012
    Publication date: July 17, 2014
    Applicant: ANGUS CHEMICAL COMPANY
    Inventors: Michael D. Major, David W. Moore
  • POLYHYDROXY-DIAMINES AS MULTI-FUNCTIONAL ADDITIVES FOR PAINTS, COATINGS AND EPOXIES
    Publication number: 20140187820
    Abstract: Provided are polyhydroxy-diamine compounds of the formula I: or salt thereof, wherein R1, R2, and R3 are as defined herein. The compounds are useful as low additives for paints, coatings and epoxy formulations.
    Type: Application
    Filed: March 5, 2014
    Publication date: July 3, 2014
    Applicants: Angus Chemical Company, Dow Global Technologies LLC
    Inventors: Ian A. Tomlinson, Asghar A. Peera
  • POLYHYDROXY-DIAMINES AS MULTI-FUNCTIONAL ADDITIVES FOR PAINTS, COATINGS AND EPOXIES
    Publication number: 20140187678
    Abstract: Provided are polyhydroxy-diamine compounds of the formula I: or salt thereof, wherein R1, R2, and R3 are as defined herein. The compounds are useful as low additives for paints, coatings and epoxy formulations.
    Type: Application
    Filed: March 5, 2014
    Publication date: July 3, 2014
    Applicants: ANGUS CHEMICAL COMPANY, DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Ian A. Tomlinson, Asghar A. Peera
  • Protected antimicrobial compounds for high temperature applications
    Patent number: 8741928
    Abstract: Provided are protected antimicrobial compounds which are useful for controlling microorganisms in aqueous or water-containing systems, such as oil or gas field fluids, at elevated temperature. The antimicrobial compounds are of the formula I: wherein R, R1, R2, X and Y are as defined herein.
    Type: Grant
    Filed: December 2, 2011
    Date of Patent: June 3, 2014
    Assignees: Dow Global Technologies LLC, ANGUS Chemical Company
    Inventors: Charles E. Coburn, Michael V. Enzien, Heather R. Mcginley, David W. Moore
  • BIPHENOL ETHER COMPOUNDS
    Publication number: 20140142346
    Abstract: A compound having formula (I), wherein R represents C1-C18 alkyl, C5-C18 cycloalkyl, C3-C18 alkenyl or C3-C18 alkynyl; provided that, when —OR groups are in 2,2?-positions on benzene rings in formula (I), R is not methyl, ethyl, hexyl, octyl or allyl.
    Type: Application
    Filed: June 28, 2012
    Publication date: May 22, 2014
    Applicant: ANGUS CHEMICAL COMPANY
    Inventors: George D. Green, Raymond J. Swedo