Patents by Inventor Eric B. Ripplinger

Eric B. Ripplinger has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Polyamide hardeners for epdxy resins
    Patent number: 9656977
    Abstract: A polyamide composition comprising a reaction product of: a) an excess of a polyfunctional amine; b) a dimer fatty acid; and c) a monomer fatty acid is disclosed. The polyamide composition can be used as a hardener in epoxy resin formulations.
    Type: Grant
    Filed: October 22, 2013
    Date of Patent: May 23, 2017
    Assignee: Dow Global Technologies LLC
    Inventors: Eric B. Ripplinger, Rajesh H. Turakhia
  • AMINIC HARDENERS WITH IMPROVED CHEMICAL RESISTANCE
    Publication number: 20160024295
    Abstract: A hardener composition comprising: a) an epoxy-amine adduct of i) a novolac epoxy resin; and ii) a first amine and b) a modifier wherein the hardener has a viscosity in the range of from 50 to 20,000 mPa·s and wherein a cured epoxy thermoset comprising the hardener exhibits no more than 1% weight loss or gain after immersion in concentrated mineral acid for 7 days at a temperature in the range of from 25° C. to 130° C., is disclosed. The hardener composition can be used with an epoxy resin to form a curable composition.
    Type: Application
    Filed: March 10, 2014
    Publication date: January 28, 2016
    Applicant: BLUE CUBE IP LLC
    Inventors: Krishnan Karunakaran, Rajesh H. Turakhia, Eric B. Ripplinger
  • POLYAMIDE HARDENERS FOR EPOXY RESINS
    Publication number: 20150252012
    Abstract: A polyamide composition comprising a reaction product of: a) an excess of a polyfunctional amine; b) a dimer fatty acid; and c) a monomer fatty acid is disclosed. The polyamide composition can be used as a hardener in epoxy resin formulations.
    Type: Application
    Filed: October 22, 2013
    Publication date: September 10, 2015
    Inventors: Eric B. Ripplinger, Rajesh H. Turakhia
  • Process for preparing divinylarene oxides
    Patent number: 8716502
    Abstract: A process for preparing a divinylarene oxide including (a) reacting (i) at least one divinylarene; (ii) at least one peroxycarboximidic acid; (iii) at least one solvent; and (iv) at least one basic compound, under reaction conditions to form a reaction effluent containing a divinylarene oxide product; and then (b) evaporating the reaction effluent of step (a) to form a concentrate containing the divinylarene oxide product; and wherein the concentrate separates into two liquid phases.
    Type: Grant
    Filed: December 7, 2011
    Date of Patent: May 6, 2014
    Assignee: Dow Global Technologies LLC
    Inventors: Leming Gu, William W. Fan, David Jean, Eric B. Ripplinger, Bruce D. Hook, David H. West
  • Process for preparing divinylarene dioxides
    Patent number: 8716503
    Abstract: A process for preparing a divinylarene dioxide including reacting (a) at least one divinylarene with (b) at least one oxidant in the presence of (c) at least one transition metal complex catalyst, and (d) optionally, in the presence of a solvent, and (e) optionally in the presence of a catalyst modifier under conditions to form a divinylarene dioxide product.
    Type: Grant
    Filed: October 15, 2010
    Date of Patent: May 6, 2014
    Assignee: Dow Global Technologies LLC
    Inventors: Gyongyi Gulyas, Ashwin R. Bharadwaj, Robert J. Wright, Marty J. Null, Eric B. Ripplinger
  • Process for preparing divinylarene dioxides
    Patent number: 8674122
    Abstract: A process for preparing a divinylarene dioxide including reacting (a) at least one divinylarene; (b) at least one peroxycarboximidic acid; (c) at least one solvent; and (d) at least one basic compound, under conditions to form a reaction mixture containing a divinylarene dioxide product; and then separating the divinylarene dioxide product from the other reaction mixture components to obtain a purified divinylarene dioxide product.
    Type: Grant
    Filed: December 17, 2010
    Date of Patent: March 18, 2014
    Assignee: Dow Global Technologies LLC
    Inventors: Eric B. Ripplinger, David Jean, David L. Burow, Khiet T. Pham, Gyongyi Gulyas, Bruce D. Hook
  • Process for preparing divinylarene dioxides
    Patent number: 8669384
    Abstract: A process for preparing a divinylarene dioxide including (a) reacting at least one divinylarene with hypochlorous acid to form a chlorohydrin; and (b) treating the chlorohydrin formed in step (a) with at least one base, under conditions to form a divinylarene dioxide product.
    Type: Grant
    Filed: March 4, 2011
    Date of Patent: March 11, 2014
    Assignee: Dow Global Technologies Inc.
    Inventors: Eric B. Ripplinger, David Jean, David Burow, Khiet Pham, Maurice Marks, Gyongyi Gulyas
  • PROCESS FOR PREPARING DINVINYLARENE OXIDES
    Publication number: 20130267720
    Abstract: A process for preparing a divinylarene oxide including (a) reacting (i) at least one divinylarene; (ii) at least one peroxycarboximidic acid; (iii) at least one solvent; and (iv) at least one basic compound, under reaction conditions to form a reaction of fluent containing a divinylarene oxide product; and then (b) evaporating the reaction effluent of step (a) to form a concentrate containing the divinylarene oxide product; and wherein the concentrate separates into two liquid phases.
    Type: Application
    Filed: December 7, 2011
    Publication date: October 10, 2013
    Applicant: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Leming Gu, William W. Fan, David Jean, Eric B. Ripplinger, Bruce D. Hook, David H. West
  • PROCESS FOR PREPARING DIVINYLARENE DIOXIDES
    Publication number: 20130123521
    Abstract: A process for preparing a divinylarene dioxide including (a) reacting at least one divinylarene with hypochlorous acid to form a chlorohydrin; and (b) treating the chlorohydrin formed in step (a) with at least one base, under conditions to form a divinylarene dioxide product.
    Type: Application
    Filed: March 4, 2011
    Publication date: May 16, 2013
    Inventors: Eric B. Ripplinger, David L. Jean, David L. Burow, Khiet T. Pham, Maurice J. Marks, Gyongyi Gulyas
  • PROCESS FOR PREPARING DIVINYLARENE DIOXIDES
    Publication number: 20120253055
    Abstract: A process for preparing a divinylarene dioxide including reacting (a) at least one divinylarene; (b) at least one peroxycarboximidic acid; (c) at least one solvent; and (d) at least one basic compound, under conditions to form a reaction mixture containing a divinylarene dioxide product; and then separating the divinylarene dioxide product from the other reaction mixture components to obtain a purified divinylarene dioxide product.
    Type: Application
    Filed: December 17, 2010
    Publication date: October 4, 2012
    Inventors: Eric B. Ripplinger, David Jean, David L. Burow, Khiet T. Pham, Gyongyi Gulyas, Bruce D. Hook
  • PROCESS FOR PREPARING DIVINYLARENE DIOXIDES
    Publication number: 20120209015
    Abstract: A process for preparing a divinylarene dioxide including reacting (a) at least one divinylarene with (b) at least one oxidant in the presence of (c) at least one transition metal complex catalyst, and (d) optionally, in the presence of a solvent, and (e) optionally in the presence of a catalyst modifier under conditions to form a divinylarene dioxide product.
    Type: Application
    Filed: October 15, 2010
    Publication date: August 16, 2012
    Inventors: Gyongyi Gulyas, Ashwin R. Bharadwaj, Robert J. Wright, Marty J. Null, Eric B. Ripplinger