Patents by Inventor William Retsch

William Retsch 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: 20220073783
    Abstract: A hydroxy functional alkyl polyurea is disclosed having the formula presented in claim 1, wherein R comprises an isocyanurate moiety, biuret moiety, allophonate moiety, glycoluril moiety, benzoguanamine moiety, polyetheramine moiety, and/or polymeric moiety different from a polyetheramine and having an Mn of 500 or greater; wherein each RI is independently a hydrogen, alkyl having at least 1 carbon, or a hydroxy functional alkyl having 2 or more carbons and at least one R1 is a hydroxy functional alkyl having 2 or more carbons; and n is 2-6.
    Type: Application
    Filed: November 18, 2021
    Publication date: March 10, 2022
    Inventors: Shanti Swarup, Hongying Zhou, Anthony M. Chasser, Edward R. Millero, JR., Christopher P. Kurtz, John M. Dudik, Xiangling Xu, William Retsch, Tien-Chieh Chao, Benjamin Kabagambe, Ronald Kralic
  • Patent number: 11053191
    Abstract: A hydroxy functional alkyl carbamate is disclosed having the formula: wherein R comprises a substituted or unsubstituted C1 to C36 alkyl group, an aromatic group, and/or a polymeric moiety; wherein each R1 is independently a hydrogen, alkyl having at least 1 carbon, or a hydroxy functional alkyl having 2 or more carbons and at least one R1 is a hydroxy functional alkyl having 2 or more carbons; and n is 2-6. The present invention is also directed to a composition, and substrates coated therewith, comprising a film-forming resin; and a hydroxy functional alkyl carbamate crosslinker having the formula shown above. Other hydroxy functional alkyl carbamate compounds, polymers made with the same, and compositions comprising the same are also disclosed as are substrates coated at least in part with or formed with any of the compositions described herein.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: July 6, 2021
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Hongying Zhou, William Retsch, Jonathan Breon, Christopher P. Kurtz
  • Publication number: 20190210962
    Abstract: A hydroxy functional alkyl carbamate is disclosed having the formula: wherein R comprises a substituted or unsubstituted C1 to C36 alkyl group, an aromatic group, and/or a polymeric moiety; wherein each R1 is independently a hydrogen, alkyl having at least 1 carbon, or a hydroxy functional alkyl having 2 or more carbons and at least one R1 is a hydroxy functional alkyl having 2 or more carbons; and n is 2-6. The present invention is also directed to a composition, and substrates coated therewith, comprising a film-forming resin; and a hydroxy functional alkyl carbamate crosslinker having the formula shown above. Other hydroxy functional alkyl carbamate compounds, polymers made with the same, and compositions comprising the same are also disclosed as are substrates coated at least in part with or formed with any of the compositions described herein.
    Type: Application
    Filed: January 9, 2018
    Publication date: July 11, 2019
    Inventors: Hongying Zhou, William Retsch, Jonathan Breon, Christopher P. Kurtz
  • Publication number: 20170327272
    Abstract: Coated packages and methods for coating such packages is disclosed The coating compositions comprise a carboxyl-containing polymer and a polycarbodiimide.
    Type: Application
    Filed: May 11, 2016
    Publication date: November 16, 2017
    Applicant: PPG Industries Ohio, Inc.
    Inventors: Anthony M. Chasser, Christopher P. Kurtz, Hongying Zhou, William Retsch
  • Publication number: 20070059530
    Abstract: Disclosed are multi-component waterborne coating compositions that include a first component and a second component which are mixed together prior to application of the composition to a substrate. The first component includes an aqueous dispersion of (i) a polycarbonate-polyurethane polymer, and (ii) an acrylic polyol having a number average molecular weight of no more than 5,000. The second component includes a material having functional groups reactive with the functional groups of the acrylic polyol and/or the polycarbonate-polyurethane polymer. Also disclosed are coatings formed from such compositions and substrates at least partially coated with such compositions.
    Type: Application
    Filed: September 14, 2005
    Publication date: March 15, 2007
    Inventors: Michael Ziegler, William Retsch
  • Publication number: 20070010634
    Abstract: Comb polymers prepared by reacting an acrylic polyol or a siloxane polyol with a lactone are disclosed. These comb polymers find particular application as additives for powder coating compositions, to improve various performance properties thereof. Powder coating composition comprising the described comb polymers are also disclosed.
    Type: Application
    Filed: September 15, 2006
    Publication date: January 11, 2007
    Inventors: Michael Ziegler, William Retsch, Anthony Chasser, Ronald Ambrose, Jackie Kulfan
  • Publication number: 20060247405
    Abstract: A hard coat composition comprising an acid functional organosiloxane polyol wherein at least some of the acid functionality has been neutralized is disclosed. The hard coat is suitable for application to a substrate, and can be used without an adhesive promoting primer.
    Type: Application
    Filed: April 28, 2005
    Publication date: November 2, 2006
    Inventors: Shan Cheng, Brian Rearick, William Retsch
  • Publication number: 20060178473
    Abstract: A crosslinking agent that is an ungelled reaction product of (a) an aminoplast resin and (b) a compound having active hydrogen groups reactive with the aminoplast resin such that the crosslinking agent is essentially free of functional groups reactive with an aminoplast resin and has a glass transition temperature of at least 10° C. is disclosed. Compound (b) is, more specifically, a monofunctional sulfonamide having only one active hydrogen. Methods for preparing crosslinking agents are also disclosed. Further provided is a curable powder coating composition including a polymer having a glass transition temperature of at least 30° C. containing reactive functional groups and the present crosslinking agent; a multilayer composite coating compositions and substrates coated therewith are also disclosed. Methods for modifying aminoplasts are also disclosed.
    Type: Application
    Filed: April 6, 2006
    Publication date: August 10, 2006
    Inventors: Shengkui Hu, Anthony Chasser, William Retsch, Ronald Ambrose
  • Publication number: 20060089452
    Abstract: Liquid coating compositions are disclosed that include (a) at least one film forming resin, (b) at least one flatting agent, and (c) at least on compound formed from a polyfunctional isocyanurate. Also disclosed are methods for coating a substrate with such compositions, multi-layer composite coatings wherein at least one layer is deposited from such compositions, and substrates at least partially coated with such compositions. Methods for enhancing the flatting capability of at least one flatting agent in a liquid coating composition are also disclosed.
    Type: Application
    Filed: October 27, 2004
    Publication date: April 27, 2006
    Inventors: John Schneider, William Retsch, Ronald Ambrose
  • Publication number: 20060078748
    Abstract: Additives comprising dispersed silica nanoparticles are disclosed. The silica nanoparticles are dispersed in an aminoplast, such as a modified aminoplast formed from the reaction between an aminoplast, a modifying component, and optionally a siloxane. The resulting additives can be added to coating compositions to provide improved mar and/or scratch resistance.
    Type: Application
    Filed: November 14, 2005
    Publication date: April 13, 2006
    Inventors: Ronald Ambrose, Shengkui Hu, William Retsch, Kristin Bartlett, Richard Sadvary, Masayuki Nakajima
  • Publication number: 20060035099
    Abstract: Coating compositions comprising a polymer and an initiator are disclosed. The polymer comprises an alkyd portion and a free radical curable portion that is pendant from the alkyd portion; the alkyd portion includes one or more fatty acid moieties that can be derived from one or more drying, semi-drying or nondrying oils. When drying or semi-drying oils are used, the molecules of the present invention exhibit a dual cure, both oxidative and free radical. The compositions are particularly suitable for coating substrates comprising wood. Methods for using the present compositions are also disclosed.
    Type: Application
    Filed: October 18, 2005
    Publication date: February 16, 2006
    Inventors: Roy Dean, David Diehl, Truman Wilt, Ronald Ambrose, Michael Ziegler, William Retsch
  • Publication number: 20050209402
    Abstract: Comb polymers prepared by reacting an acrylic polyol or a siloxane polyol with a lactone are disclosed. These comb polymers find particular application as additives for powder coating compositions, to improve various performance properties thereof. Powder coating composition comprising the described comb polymers are also disclosed.
    Type: Application
    Filed: March 19, 2004
    Publication date: September 22, 2005
    Inventors: Michael Ziegler, William Retsch, Anthony Chasser, Ronald Ambrose, Jackie Kulfan
  • Publication number: 20050131146
    Abstract: Star polymers prepared by reacting a highly branched polymer and either a lactone or lactam are disclosed. These star polymers find particular application as additives for powder coating compositions, to improve various performance properties thereof. Powder coating composition comprising the described star polymers are also disclosed.
    Type: Application
    Filed: December 16, 2003
    Publication date: June 16, 2005
    Inventors: William Retsch, Michael Ziegler, Jackie Kulfan, Ronald Ambrose, Christopher Kurtz