Patents by Inventor Charles R. Hickenboth

Charles R. Hickenboth 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).

  • Publication number: 20190112449
    Abstract: The present invention is directed to a process for producing a molded polymeric article including: providing a polymerizable composition of a reaction mixture of at least the following components: a mold release agent of ionic fluoride and/or ionic fluoride precursor, and a polymeric organic material selected from thermosetting organic polymeric materials and thermoplastic organic materials; allowing the reaction mixture to undergo exothermic reaction; providing a mold having a first part and a second part spaced one from the other thereby forming a cavity there between; introducing the reaction mixture into the mold cavity wherein the reaction mixture is at a temperature of up to 130° C.; holding the mold at a temperature and for a time sufficient to cure the reaction mixture thereby forming a molded polymeric article within the mold; and removing the molded polymeric article from the mold. Molded articles also are provided.
    Type: Application
    Filed: December 21, 2018
    Publication date: April 18, 2019
    Inventors: Matthew J. Kryger, Steven R. Zawacky, Charles R. Hickenboth
  • Patent number: 9752025
    Abstract: Provided is a polymerizable non-aqueous dispersion, wherein the non-aqueous dispersion comprises: (a) a polymerizable component; and (b) polymeric microparticles dispersed in a continuous phase, wherein the microparticles comprise a dispersion polymerization reaction product prepared from a reaction mixture comprising an ethylenically unsaturated monomer, and an acrylic polymer stabilizer, and wherein the continuous phase is the same as or different from the polymerizable component (a). Also provided are optical articles prepared from the polymerizable non-aqueous dispersions.
    Type: Grant
    Filed: November 5, 2013
    Date of Patent: September 5, 2017
    Assignee: PPG Industries Ohio, Inc.
    Inventors: David R. Fenn, Wei Wang, Charles R. Hickenboth, Robert D. Herold
  • Patent number: 9610741
    Abstract: The present invention provides a method for preparing a customized polymeric article including: providing two mold half-sections, each half-section having an outer surface and an inner surface; assembling the two mold half-sections to form a mold assembly such that the inner surfaces define a cavity there between; applying one or more magnetic fluids to the inner surface of a mold half-section; inserting a fluid polymeric material into the cavity; controllably applying a magnetic field to the magnetic fluids to form a customized reversible surface in accordance with a predetermined specific surface topography; subjecting the mold assembly to conditions sufficient to effect polymerization or hardening of the fluid polymeric material; and separating the two mold half-sections. Articles prepared by the method also are provided.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: April 4, 2017
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Charles R. Hickenboth, Matthew J. Kryger, Federico Menta, Keith M. Cross, David L. Lusher, II
  • Publication number: 20170052284
    Abstract: A batch process for preparing a molded optical article includes introducing (i) a dithiol component or (ii) a polyisocyanate component into a reaction vessel; adding a first catalyst of organotin halide to form a first reaction mixture; heating the first reaction mixture; introducing a second catalyst of tertiary amine to the first reaction mixture; mixing a polyisocyanate (ii) into the reaction vessel containing the first reaction mixture if dithiol (i) was first added, or mixing a dithiol (i) into the first reaction mixture if the polyisocyanate (ii) was first added, to form a second reaction mixture; filling a mold with the second reaction mixture to provide a filled mold to form a molded optical article. The molar ratio of elemental tin present in the first catalyst to tertiary amine compound present in the second catalyst ranges from 0.04:1 to 0.29:1.
    Type: Application
    Filed: August 19, 2016
    Publication date: February 23, 2017
    Inventors: Vivek Badarinarayana, Kevin T. Bivona, Nina V. Bojkova, Charles R. Hickenboth, Elizabeth A. Horner, David L. Lusher, II
  • Publication number: 20170015805
    Abstract: The present invention is directed to an organic polymerizable composition for producing a molded polymeric article. The composition includes a mold release agent of ionic fluoride and/or ionic fluoride precursor present in an amount sufficient to effect at least partial demolding of the polymeric article from a mold. Molded articles also are provided.
    Type: Application
    Filed: July 14, 2016
    Publication date: January 19, 2017
    Inventors: Matthew J. Kryger, Steven R. Zawacky, Charles R. Hickenboth
  • Patent number: 9334345
    Abstract: Provided is a polymerizable composition including (meth)acrylate monomers having at least two sulfide (—S—) linkages in the monomer. The polymerizable compositions include a first (meth)acrylate monomer represented by the following Formula (I), where L1 is selected from a multivalent optionally substituted hydrocarbyl group optionally interrupted with at least one of —C(O)—, —S—, —O— and combinations thereof, and a divalent linking group represented by the following Formula (A). In Formula (A), Y is O or S. Also in Formula (I), L2 is independently for each n a divalent optionally substituted hydrocarbyl group optionally interrupted with at least one of —O— and —S—, R1 is independently selected for each n from hydrogen and methyl, and n is from 2 to 6. The polymerizable compositions also may include a polymerization moderator. Also provided are polymerizates including photochromic articles and optical elements prepared from such polymerizable compositions.
    Type: Grant
    Filed: September 6, 2012
    Date of Patent: May 10, 2016
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Robert D. Herold, Nina V. Bojkova, Marvin J. Graham, Charles R. Hickenboth, Gregory J. McCollum, William H. Retsch, Jr., Hongying Zhou
  • Patent number: 9133362
    Abstract: A mechanochromic coating composition is disclosed comprising a binder composition and a crystalline mechanophore. The mechanophore changes color upon application of a mechanical load to the coating composition.
    Type: Grant
    Filed: July 16, 2012
    Date of Patent: September 15, 2015
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Charles R. Hickenboth, Gregory J. McCollum, Elizabeth Furar
  • Publication number: 20150165702
    Abstract: The present invention provides a method for preparing a customized polymeric article including: providing two mold half-sections, each half-section having an outer surface and an inner surface; assembling the two mold half-sections to form a mold assembly such that the inner surfaces define a cavity there between; applying one or more magnetic fluids to the inner surface of a mold half-section; inserting a fluid polymeric material into the cavity; controllably applying a magnetic field to the magnetic fluids to form a customized reversible surface in accordance with a predetermined specific surface topography; subjecting the mold assembly to conditions sufficient to effect polymerization or hardening of the fluid polymeric material; and separating the two mold half-sections. Articles prepared by the method also are provided.
    Type: Application
    Filed: December 16, 2014
    Publication date: June 18, 2015
    Inventors: Charles R. Hickenboth, Matthew J. Kryger, Federico Menta, Keith M. Cross, David L. Lusher, II
  • Patent number: 9051426
    Abstract: Provided is a polymerizable composition of (a) a monomer composition including ethylenically unsaturated monomer having a ?-epithiopropyl functional group; (b) optionally, a compound having two or more ?-epithiopropyl functional groups but no polymerizable ethylenically unsaturated groups; (c) an isourea functional polymerization initiator; and (d) a catalyst for reaction between the ?-epithiopropyl functional groups. Also provided is a method of reducing the yellowness index of a sulfur-containing polymerizate prepared by addition polymerization, the method including reacting in the presence of an isourea functional polymerization initiator and a catalyst for reaction between ?-epithiopropyl functional groups, a polymerizable composition of: (a) a monomer composition including ethylenically unsaturated monomer having a ?-epithiopropyl functional group; and, optionally, (b) a compound having two or more ?-epithiopropyl functional groups but no polymerizable ethylenically unsaturated groups.
    Type: Grant
    Filed: April 17, 2013
    Date of Patent: June 9, 2015
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Charles R. Hickenboth, Federico Menta, Nina V. Bojkova
  • Patent number: 9040648
    Abstract: The present invention relates to a polymer composition that includes a polymer having at least one polymer segment represented by the following Formula (I), With reference to Formula (I): M independently for each w is a residue of a monomer; ? is a residue of a mechanochromic compound having at least two reactive groups that are each independently bonded to one monomer residue M; w, independently for each z, is an integer of at least 1; and z is an integer of at least 2.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: May 26, 2015
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Charles R. Hickenboth, Cynthia Kutchko, Matthew J. Kryger
  • Patent number: 8889807
    Abstract: The present invention relates to controlled radical polymerization (CRP) initiators that include at least one radically transferable group. The CRP initiators include at least one of the following, (a) a spirooxazine compound represented by the following Formula (I), and (b) an indenonaphthopyran represented by the following Formula (II), One or more of R1, R2, R3, R4, R5, and R6 of the spirooxazine, and one or more of R7, R8, R9, R10, B, and B? independently include the radically transferable group. The present invention also relates to polymers, such as mechanochromic polymers, that are prepared from such CRP initiators, polymer compositions that include such polymers, and mechanochromic articles that include such polymer compositions.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: November 18, 2014
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Charles R. Hickenboth, Cynthia Kutchko, Matthew J. Kryger
  • Patent number: 8815771
    Abstract: A mechanochromic coating composition is disclosed comprising a polymeric network incorporating a plurality of ring-opening mechanophores each bound at two positions thereof within said polymeric network.
    Type: Grant
    Filed: April 16, 2012
    Date of Patent: August 26, 2014
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Anu Chopra, Jun Deng, Charles R. Hickenboth, Robin M. Peffer
  • Publication number: 20140128534
    Abstract: Provided is a polymerizable non-aqueous dispersion, wherein the non-aqueous dispersion comprises: (a) a polymerizable component; and (b) polymeric microparticles dispersed in a continuous phase, wherein the microparticles comprise a dispersion polymerization reaction product prepared from a reaction mixture comprising an ethylenically unsaturated monomer, and an acrylic polymer stabilizer, and wherein the continuous phase is the same as or different from the polymerizable component (a). Also provided are optical articles prepared from the polymerizable non-aqueous dispersions.
    Type: Application
    Filed: November 5, 2013
    Publication date: May 8, 2014
    Inventors: David R. Fenn, Wei Wang, Charles R. Hickenboth, Robert D. Herold
  • Publication number: 20140013864
    Abstract: A mechanochromic coating composition is disclosed comprising a binder composition and a crystalline mechanophore. The mechanophore changes color upon application of a mechanical load to the coating composition.
    Type: Application
    Filed: July 16, 2012
    Publication date: January 16, 2014
    Applicant: PPG Industries Ohio, Inc.
    Inventors: Charles R. Hickenboth, Gregory J. McCollum, Elizabeth Furar
  • Patent number: 8563560
    Abstract: Disclosed herein are bicyclic guanidine salts, useful as cure catalysts for electrodeposited coatings. The bicyclic guanidine salts are formed as the reaction product of reactants comprising (a) a compound having the general formula CXn, wherein X is N, O, or S and wherein n is 2 to 4; (b) an acid; (c) dipropylene triamine; and (d) water, and an associated method for forming a bicyclic guanidine salt from the same reaction ingredients.
    Type: Grant
    Filed: February 25, 2011
    Date of Patent: October 22, 2013
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Charles R. Hickenboth, Christopher A. Dacko, Steven R. Zawacky, Gregory J. McCollum
  • Publication number: 20130269445
    Abstract: A mechanochromic coating composition is disclosed comprising a polymeric network incorporating a plurality of ring-opening mechanophores each bound at two positions thereof within said polymeric network.
    Type: Application
    Filed: April 16, 2012
    Publication date: October 17, 2013
    Applicant: PPG Industries Ohio, Inc.
    Inventors: Anu Chopra, Jun Deng, Charles R. Hickenboth, Robin M. Peffer
  • Publication number: 20130274412
    Abstract: The present invention relates to a polymer composition that includes a polymer having at least one polymer segment represented by the following Formula (I), With reference to Formula (I): M independently for each w is a residue of a monomer; ? is a residue of a mechanochromic compound having at least two reactive groups that are each independently bonded to one monomer residue M; w, independently for each z, is an integer of at least 1; and z is an integer of at least 2.
    Type: Application
    Filed: March 15, 2013
    Publication date: October 17, 2013
    Inventors: Charles R. Hickenboth, Cynthia Kutchko, Matthew J. Kryger
  • Publication number: 20130273380
    Abstract: The present invention relates to controlled radical polymerization (CRP) initiators that include at least one radically transferable group. The CRP initiators include at least one of the following, (a) a spirooxazine compound represented by the following Formula (I), and (b) an indenonaphthopyran represented by the following Formula (II), One or more of R1, R2, R3, R4, R5, and R6 of the spirooxazine, and one or more of R7, R8, R9, R10, B, and B? independently include the radically transferable group. The present invention also relates to polymers, such as mechanochromic polymers, that are prepared from such CRP initiators, polymer compositions that include such polymers, and mechanochromic articles that include such polymer compositions.
    Type: Application
    Filed: March 15, 2013
    Publication date: October 17, 2013
    Inventors: Charles R. Hickenboth, Cynthia Kutchiko, Matthew J. Kryger
  • Publication number: 20130225777
    Abstract: Provided is a polymerizable composition of (a) a monomer composition including ethylenically unsaturated monomer having a ?-epithiopropyl functional group; (b) optionally, a compound having two or more ?-epithiopropyl functional groups but no polymerizable ethylenically unsaturated groups; (c) an isourea functional polymerization initiator; and (d) a catalyst for reaction between the ?-epithiopropyl functional groups. Also provided is a method of reducing the yellowness index of a sulfur-containing polymerizate prepared by addition polymerization, the method including reacting in the presence of an isourea functional polymerization initiator and a catalyst for reaction between ?-epithiopropyl functional groups, a polymerizable composition of: (a) a monomer composition including ethylenically unsaturated monomer having a ?-epithiopropyl functional group; and, optionally, (b) a compound having two or more ?-epithiopropyl functional groups but no polymerizable ethylenically unsaturated groups.
    Type: Application
    Filed: April 17, 2013
    Publication date: August 29, 2013
    Inventors: Charles R. Hickenboth, Federico Menta, Nina V. Bojkova
  • Patent number: 8492542
    Abstract: The present invention is directed to a method producing bicyclic guanidine comprising heating a cyclic thiourea to a temperature ranging from ?140° C. in a substantially non-hydrocarbon solvent to form the bicyclic guanidine.
    Type: Grant
    Filed: May 15, 2008
    Date of Patent: July 23, 2013
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Britt A. Minch, Charles R. Hickenboth, Richard F. Karabin, Steven R. Zawacky, Thomas R. Hockswender, Gregory J. McCollum