Patents Assigned to Angus Chemical Company
  • Patent number: 8524857
    Abstract: A new class of compounds, namely diamino alcohols, is described, along with a process for their production and their use as hardeners, or curing agents, for epoxy resin systems, some of which have high glass transition temperatures, Tgs, such as greater than about 120° C.
    Type: Grant
    Filed: December 15, 2010
    Date of Patent: September 3, 2013
    Assignees: Dow Global Technologies LLC, ANGUS Chemical Company
    Inventors: Asghar Akber Peera, Ian Tomlinson
  • Publication number: 20130216443
    Abstract: Disclosed are a process and an apparatus for synthesizing nitroalkanes by reaction of a hydrocarbon feedstock with aqueous nitric acid. Energy and capital costs may be reduced by recycling a majority of the aqueous phase back to the reactor.
    Type: Application
    Filed: April 1, 2013
    Publication date: August 22, 2013
    Applicants: ANGUS CHEMICAL COMPANY, DOW GLOBAL TECHNOLOGIES INC.
    Inventors: Mahesh Sawant, Daniel M. Trauth, John G. Pendergast
  • Publication number: 20130189164
    Abstract: Disclosed are a process and apparatus for synthesizing nitroalkanes by reaction of a hydrocarbon feedstock with aqueous nitric acid. Energy and capital costs may be reduced by using a dividing wall column.
    Type: Application
    Filed: March 8, 2013
    Publication date: July 25, 2013
    Applicants: ANGUS Chemical Company, Dow Global Technologies Inc.
    Inventors: Mahesh Sawant, Daniel M. Trauth, John G. Pendergast
  • Publication number: 20130183206
    Abstract: Disclosed are a process and an apparatus for synthesizing nitroalkanes by reaction of a hydrocarbon feedstock with aqueous nitric acid. By using an isothermal reactor with multiple input ports for aqueous nitric acid, a hydrocarbon feedstock may be sequentially exposed to a plurality of flows of aqueous nitric acid as it flows through the reactor.
    Type: Application
    Filed: March 8, 2013
    Publication date: July 18, 2013
    Applicant: ANGUS Chemical Company
    Inventor: Daniel M. Trauth
  • Patent number: 8481322
    Abstract: A method for marking a petroleum hydrocarbon, biodiesel fuel or ethanol fuel by adding to the petroleum hydrocarbon, biodiesel fuel or ethanol fuel at least one compound having formula (I) wherein R1 and R2 independently represent at least one substituent selected from the group consisting of hydrogen, C1-C12 alkyl, C1-C12 alkoxy and nitro; and R3 and R4 independently represent hydrogen, methyl or ethyl.
    Type: Grant
    Filed: May 23, 2011
    Date of Patent: July 9, 2013
    Assignee: ANGUS Chemical Company
    Inventors: George David Green, Raymond John Swedo
  • Publication number: 20130172622
    Abstract: Provided is a process for making a tertiary aminoalcohol compound. The process comprises using an excess amount of a carbonyl compound in a condensation step between the carbonyl compound and a nitroalkane, and conducting a hydrogenation/alkylation step to produce the tertiary aminoalcohol. The process uses fewer steps than conventional processes.
    Type: Application
    Filed: September 21, 2011
    Publication date: July 4, 2013
    Applicant: ANGUS CHEMICAL COMPANY
    Inventors: David W. Moore, Raymond J. Swedo, Asghar A. Peera
  • Patent number: 8431754
    Abstract: Disclosed are a process and an apparatus for synthesizing nitroalkanes by reaction of a hydrocarbon feedstock with aqueous nitric acid. Energy and capital costs may be reduced by recycling a majority of the aqueous phase back to the reactor.
    Type: Grant
    Filed: September 10, 2010
    Date of Patent: April 30, 2013
    Assignees: Dow Global Technologies LLC, ANGUS Chemical Company
    Inventors: Mahesh Sawant, Daniel M. Trauth, John G. Pendergast, Jr.
  • Patent number: 8415514
    Abstract: Disclosed are a process and an apparatus for synthesizing nitroalkanes by reaction of a hydrocarbon feedstock with aqueous nitric acid. By using an isothermal reactor with multiple input ports for aqueous nitric acid, a hydrocarbon feedstock may be sequentially exposed to a plurality of flows of aqueous nitric acid as it flows through the reactor.
    Type: Grant
    Filed: September 10, 2010
    Date of Patent: April 9, 2013
    Assignee: ANGUS Chemical Company
    Inventor: Daniel M. Trauth
  • Patent number: 8288464
    Abstract: A compound having formula (I) wherein R1 is methyl or ethyl; R2 is hydrogen, methyl, CH2C(NH2)(R1)(CH2OH) or R2 groups combine to form a difunctional C2-C6 alkyl group; and X is a difunctional group selected from the group consisting of C2-C20 alkyl, C5-C20 cycloalkyl, C6-C10 aryl, C8-C20 aryl alkyl, C4-C20 heteroalkyl or C10-C20 aryl heteroalkyl.
    Type: Grant
    Filed: December 13, 2011
    Date of Patent: October 16, 2012
    Assignees: Dow Global Technologies LLC, ANGUS Chemical Company
    Inventors: Ian A. Tomlinson, Asghar A. Peera, Glenn Nelson Robinson
  • Publication number: 20120196963
    Abstract: A compound having formula (I) wherein R1, R2, R3, R4, R5 and R6 independently are hydrogen, C1-C10 alkyl, C5-C10 cycloalkyl, C6-C10 aryl or C7-C20 aralkyl; X is a difunctional group selected from the group consisting of C2-C20 alkyl, C5-C20 cycloalkyl, C6-C10 aryl, C8-C20 aryl alkyl, C4-C20 heteroalkyl or C10-C20 aryl heteroalkyl.
    Type: Application
    Filed: October 8, 2010
    Publication date: August 2, 2012
    Applicant: Angus Chemical Company
    Inventor: Raymond John Swedo
  • Patent number: 8168575
    Abstract: An additive for an aqueous metalworking fluid (MWF) comprises a C12-20 fatty acid neutralized with at least one of an amine, alkanolamine and a caustic. The additive is designed for use in an aqueous MWF having a pH of at least about 7 and comprising at least about 0.10 weight percent, based on the weight of the MWF, of the neutralized C12-20 fatty acid. The additive inhibits the staining of ferrous and nonferrous metals during and after machining.
    Type: Grant
    Filed: April 26, 2007
    Date of Patent: May 1, 2012
    Assignee: Angus Chemical Company
    Inventors: Patrick E. Brutto, Bonnie A. Pyzowski, Charles E. Coburn
  • Patent number: 8044214
    Abstract: A process for preparing isoxazole compounds of formula I: in which a nitroaryl of the formula (II): is contacted with an alkyl acetoacetate of the formula (III) or a salt thereof: in the presence of an activating agent and a base to provide the isoxazole compound.
    Type: Grant
    Filed: August 12, 2009
    Date of Patent: October 25, 2011
    Assignees: ANGUS Chemical Company, Dow Global Technologies LLC
    Inventors: James P. Godschalx, G. David Green
  • Publication number: 20110160496
    Abstract: Disclosed is an apparatus for synthesizing nitroalkanes by reaction of a hydrocarbon feedstock with aqueous nitric acid. The apparatus may be designed such that it can synthesize more than one nitroalkane using the same equipment.
    Type: Application
    Filed: November 22, 2010
    Publication date: June 30, 2011
    Applicants: DOW GLOBAL TECHNOLOGIES INC., ANGUS CHEMICAL COMPANY
    Inventors: Mahesh SAWANT, Daniel M. Trauth, John G. Pendergast, JR., Ravindra S. Dixit
  • Patent number: 7939589
    Abstract: Provided are polyhydroxy-diamine compounds for use as neutralizing agents for paints and coatings. The compounds are of the formula (I): wherein R1 and R2 are as defined herein.
    Type: Grant
    Filed: June 17, 2010
    Date of Patent: May 10, 2011
    Assignee: Angus Chemical Company
    Inventors: Raymond J. Swedo, Esin Busche, John W. Quinn
  • Publication number: 20110092748
    Abstract: Disclosed are a process and an apparatus for synthesizing nitroalkanes by reaction of a hydrocarbon feedstock with aqueous nitric acid. Energy and capital costs may be reduced by recycling a majority of the aqueous phase back to the reactor.
    Type: Application
    Filed: September 10, 2010
    Publication date: April 21, 2011
    Applicants: DOW GLOBAL TECHNOLOGIES INC., ANGUS CHEMICAL COMPANY
    Inventors: Mahesh Sawant, Daniel M. Trauth, John G. Pendergast, JR.
  • Publication number: 20110092737
    Abstract: Disclosed are a process and an apparatus for synthesizing nitroalkanes by reaction of a hydrocarbon feedstock with aqueous nitric acid. By using an isothermal reactor with multiple input ports for aqueous nitric acid, a hydrocarbon feedstock may be sequentially exposed to a plurality of flows of aqueous nitric acid as it flows through the reactor.
    Type: Application
    Filed: September 10, 2010
    Publication date: April 21, 2011
    Applicant: ANGUS CHEMICAL COMPANY
    Inventor: Daniel M. Trauth
  • Publication number: 20110092749
    Abstract: Disclosed are a process and apparatus for synthesizing nitroalkanes by reaction of a hydrocarbon feedstock with aqueous nitric acid. Energy and capital costs may be reduced by using a dividing wall column.
    Type: Application
    Filed: September 10, 2010
    Publication date: April 21, 2011
    Applicants: DOW GLOBAL TECHNOLOGIES INC., ANGUS CHEMICAL COMPANY
    Inventors: Mahesh Sawant, Daniel M. Trauth, John G. Pendergast, JR.
  • Publication number: 20110028732
    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: Application
    Filed: April 8, 2009
    Publication date: February 3, 2011
    Applicants: ANGUS CHEMICAL COMPANY, GLOBAL TECHNOLOGIES INC.
    Inventors: Daniel M. Trauth, George D. Green, Raymond J. Swedo, Richard L. James, Ian A. Tomlinson
  • Publication number: 20100093736
    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: Application
    Filed: December 13, 2007
    Publication date: April 15, 2010
    Applicants: ANGUS CHEMICAL COMPANY, DOW GLOBAL TECHNOLOGIES INC.
    Inventors: Charles E. Coburn, John L. Pohlman, Bonnie A. Pyzowski, Patrick E. Brutto, George David Green, Raymond J. Swedo
  • Patent number: 7319131
    Abstract: The invention herein disclosed comprises the use of oxazolidines, nitroalcohols, nitrones, halonitroparaffins, oxazines, azaadamantanes, hexamethylenetetramine salts, nitroamines, imidazolidines, triazines, nitrooxazolidines, and imidazolidine-oxazolidine hybrids to serve as hardeners for curing phenolic resins. The hardeners and accelerators/catalysts described in the invention can be applied in any application where phenolic resins are used, including but not limited to fiber reinforced composite applications such as pultrusion, filament winding, bulk molding compound (BMC), sheet molding compounds (SMC), vacuum assisted resin transfer, prepregs, adhesives, foundry materials, abrasives, friction materials, insulation, laminates, coatings, electronics, fire resistant, and flame-retardant end uses.
    Type: Grant
    Filed: July 28, 2004
    Date of Patent: January 15, 2008
    Assignee: Angus Chemical Company
    Inventors: Raymond J. Swedo, George David Green