Patents Assigned to PRC-Desoto International, Inc.
  • THIOETHERS, METHODS FOR THEIR PREPARATION, AND COMPOSITIONS INCLUDING SUCH THIOETHERS
    Publication number: 20100184899
    Abstract: Disclosed are thioethers, methods for preparing such thioethers, and curable compositions, such as coating and sealant compositions, that include such thioethers. The thioethers can be the reaction product of (a) an alpha, omega dihalo organic compound, (b) a metal hydrosulfide and (c) a metal hydroxide.
    Type: Application
    Filed: March 30, 2010
    Publication date: July 22, 2010
    Applicant: PRC-DeSoto International, Inc.
    Inventors: Chandra B. Rao, Juexiao Cai, Marfi Ito, John Gilmore
  • Coating compositions exhibiting corrosion resistance properties, related coated substrates, and methods
    Patent number: 7745010
    Abstract: Coating compositions are disclosed that include corrosion resisting particles such that the coating composition can exhibit corrosion resistance properties. Also disclosed are substrates at least partially coated with a coating deposited from such a composition and multi-component composite coatings, wherein at least one coating later is deposited from such a coating composition. Methods and apparatus for making ultrafine solid particles are also disclosed.
    Type: Grant
    Filed: March 20, 2006
    Date of Patent: June 29, 2010
    Assignee: PRC Desoto International, Inc.
    Inventor: John R. Schneider
  • DYNAMIC MIXING APPARATUS FOR MULTI-COMPONENT COATINGS
    Publication number: 20100116352
    Abstract: A multi-component coating spray application system comprises: a source of a first coating component, a source of a second coating component, a dynamic mixer in fluid flow communication with the sources of the first and second coating components, wherein the dynamic mixer comprises a mixing chamber and a movable stirring member in the mixing chamber, and a spray gun in fluid flow communication with an outlet port of the dynamic mixer.
    Type: Application
    Filed: November 12, 2008
    Publication date: May 13, 2010
    Applicant: PRC-DeSoto International, Inc.
    Inventor: Ian Mark Toole
  • Sealants and potting formulations including mercapto-terminated polymers produced by the reaction of a polythiol and polyvinyl ether monomer
    Patent number: 7687578
    Abstract: Sealant and potting formulations are provided which are prepared from components including ungelled mercapto-terminated polymer(s) prepared by reacting reactants comprising polyvinyl ether monomer(s) and polythiol material(s); curing agent(s) reactive with a mercapto group of the mercapto-terminated polymer; and additive(s) selected from the group consisting of fillers, adhesion promoters, plasticizers and catalysts.
    Type: Grant
    Filed: August 19, 2003
    Date of Patent: March 30, 2010
    Assignee: PRC-DeSoto International, Inc.
    Inventors: Jonathan D. Zook, Susan E. DeMoss, David W. Jordan, Chandra B. Rao, Hakam Singh, Ahmed Sharaby
  • Epoxy-capped polythioethers by reacting dithiol, diolefin and monoepoxy olefin
    Patent number: 7671145
    Abstract: Epoxy-capped polythioethers and curable compositions of epoxy-capped polythioethers are disclosed.
    Type: Grant
    Filed: March 7, 2006
    Date of Patent: March 2, 2010
    Assignee: PRC DeSoto International, Inc.
    Inventors: Suresh Sawant, Chandra Bhushan Rao
  • WATER-BORNE POLYURETHANE COATINGS
    Publication number: 20100041818
    Abstract: Water-borne polyurethane coating compositions are provided. One exemplary water-borne coating composition includes a substantially water-free base component and an activator component. The substantially water-free base component includes at least a hydrophilic polyol, and the activator component includes at least a hydrophobic isocyanate.
    Type: Application
    Filed: October 23, 2007
    Publication date: February 18, 2010
    Applicant: PRC-DESOTO INTERNATIONAL, INC.
    Inventors: Siamanto Abrami, Guangliang Tang
  • DIMERCAPTAN TERMINATED POLYTHIOETHER POLYMERS AND METHODS FOR MAKING AND USING THE SAME
    Publication number: 20100036063
    Abstract: Dimercaptan terminated polythioether polymers are disclosed, as are methods for making and using the same.
    Type: Application
    Filed: October 19, 2009
    Publication date: February 11, 2010
    Applicant: PRC-DeSoto International, Inc.
    Inventors: Suresh G. Sawant, Chandra B. Rao, Michael A. Cosman
  • COMPOSITIONS AND METHODS OF MAKING COMPOSITIONS EXHIBITING FUEL RESISTANCE
    Publication number: 20090326167
    Abstract: Curable compositions comprising polythioether polymers and polybasic acid-based polyepoxies, and methods of using curable compositions comprising polythioether polymers and polybasic acid-based polyepoxies are disclosed. Cured, curable compositions exhibit enhanced corrosion resistance and adhesion upon exposure to fuels.
    Type: Application
    Filed: May 12, 2008
    Publication date: December 31, 2009
    Applicant: PRC-DESOTO INTERNATIONAL, INC.
    Inventors: Suresh G. Sawant, Chandra B. Rao, David R. Leon
  • Polymer blend and compositions and methods for using the same
    Patent number: 7638162
    Abstract: A polymer blend having at least one polysulfide component and at least one polythioether component is disclosed. The polymer blend offers numerous advantages, including the ability to compatibilize formulations based on either polysulfide chemistry or polythioether chemistry alone. Compositions comprising the polymer blend, particularly sealant formulations for use in aerospace applications, are also disclosed, as are multilayer sealant assemblies and methods for repairing the same.
    Type: Grant
    Filed: April 21, 2008
    Date of Patent: December 29, 2009
    Assignee: PRC DeSoto International, Inc.
    Inventor: Michael A. Cosman
  • Epoxy- or amine/hydroxy-capped polythioethers
    Patent number: 7622548
    Abstract: Epoxy-capped polythioethers, amine/hydroxy-capped polythioethers, and curable compositions of epoxy-capped polythioethers are disclosed.
    Type: Grant
    Filed: July 3, 2007
    Date of Patent: November 24, 2009
    Assignee: PRC DeSoto International, Inc.
    Inventors: Chandra B. Rao, John R. Gilmore
  • THIOETHERS, METHODS FOR THEIR PREPARATION, AND COMPOSITIONS INCLUDING SUCH THIOETHERS
    Publication number: 20090270554
    Abstract: Disclosed are thioethers, methods for preparing such thioethers, and curable compositions, such as coating and sealant compositions, that include such thioethers. The thioethers can be the reaction product of (a) an alpha, omega dihalo organic compound, (b) a metal hydrosulfide, and (c) a metal hydroxide.
    Type: Application
    Filed: April 24, 2008
    Publication date: October 29, 2009
    Applicant: PRC-DESOTO INTERNATIONAL, INC.
    Inventors: John R. Gilmore, Chandra B. Rao
  • Polymer blend and compositions and methods for using the same
    Patent number: 7598326
    Abstract: A polymer blend having at least one polysulfide component and at least one polythioether component is disclosed. The polymer blend offers numerous advantages, including the ability to compatibilize formulations based on either polysulfide chemistry or polythioether chemistry alone. Compositions comprising the polymer blend, particularly sealant formulations for use in aerospace applications, are also disclosed, as are multilayer sealant assemblies and methods for repairing the same.
    Type: Grant
    Filed: April 21, 2008
    Date of Patent: October 6, 2009
    Assignee: PRC DeSoto International, Inc.
    Inventor: Michael A. Cosman
  • Polythioether amine resins and compositions comprising same
    Patent number: 7569163
    Abstract: Polythioether amine resin compounds and compositions comprising the same are disclosed.
    Type: Grant
    Filed: March 16, 2007
    Date of Patent: August 4, 2009
    Assignee: PRC DeSoto International, Inc.
    Inventors: Guangliang Tang, Jak H. Aklian, Suresh G. Sawant
  • Preformed compositions in shaped form comprising polymer blends
    Patent number: 7553908
    Abstract: Preformed compositions in shaped form comprising polymer blends, and the use of these preformed compositions in shaped form to seal apertures are disclosed. In certain embodiments, the preformed compositions are electrically conductive and are capable of shielding EMI/RFI radiation. The polymer blend includes a polysulfide component and a polythioether component.
    Type: Grant
    Filed: September 8, 2004
    Date of Patent: June 30, 2009
    Assignee: PRC DeSoto International, Inc.
    Inventors: Michael A. Cosman, Adrian K. Balladares
  • Polymer blend and compositions and methods for using the same
    Patent number: 7524564
    Abstract: A polymer blend having at least one polysulfide component and at least one polythioether component is disclosed. The polymer blend offers numerous advantages, including the ability to compatibilize formulations based on either polysulfide chemistry or polythioether chemistry alone. Compositions comprising the polymer blend, particularly sealant formulations for use in aerospace applications, are also disclosed, as are multilayer sealant assemblies and methods for repairing the same.
    Type: Grant
    Filed: April 21, 2008
    Date of Patent: April 28, 2009
    Assignee: PRC DeSoto International, Inc.
    Inventor: Michael A. Cosman
  • POLYURETHANE COATINGS WITH IMPROVED INTERLAYER ADHESION
    Publication number: 20090068366
    Abstract: Polyurethane coating compositions comprising a mixture of aromatic and aliphatic isocyanate, and a mixture of polyol resin are disclosed. Methods for treating an aged substrate are also disclosed.
    Type: Application
    Filed: September 10, 2007
    Publication date: March 12, 2009
    Applicant: PRC-DESOTO INTERNATIONAL, INC.
    Inventors: Jak Aklian, Guangliang Tang, Siamanto Abrami
  • COMPOSITIONS INCLUDING A POLYTHIOETHER
    Publication number: 20090012244
    Abstract: Compositions, such as aerospace sealant, coating, and/or potting compositions are disclosed. The compositions include a polythioether and, in at least some cases, can be sprayable and fuel resistant even when substantially free of volatile organic compounds.
    Type: Application
    Filed: July 3, 2007
    Publication date: January 8, 2009
    Applicant: PRC-DESOTO INTERNATIONAL, INC.
    Inventors: Chandra B. Rao, John R. Gilmore
  • Polyepoxide, amine and mercaptan-terminated polyoxyalkylene
    Patent number: 7470755
    Abstract: Multi-component epoxy-amine primer systems are disclosed, which include an epoxy component and an amine component that includes a mercaptan terminated material. At least one of the epoxy component and the amine component includes a sulfur-containing polymer. Also disclosed are substrates coated with such primer systems as well as methods for coating substrates with such primer systems.
    Type: Grant
    Filed: November 29, 2005
    Date of Patent: December 30, 2008
    Assignee: PRC-DeSoto International, Inc.
    Inventors: Siamanto Abrami, Jorge Camargo
  • POLYMER BLEND AND COMPOSITIONS AND METHODS FOR USING THE SAME
    Publication number: 20080199694
    Abstract: A polymer blend having at least one polysulfide component and at least one polythioether component is disclosed. The polymer blend offers numerous advantages, including the ability to compatibilize formulations based on either polysulfide chemistry or polythioether chemistry alone. Compositions comprising the polymer blend, particularly sealant formulations for use in aerospace applications, are also disclosed, as are multilayer sealant assemblies and methods for repairing the same.
    Type: Application
    Filed: April 21, 2008
    Publication date: August 21, 2008
    Applicant: PRC-DESOTO INTERNATIONAL, INC.
    Inventor: Michael A. Cosman
  • POLYMER BLEND AND COMPOSITIONS AND METHODS FOR USING THE SAME
    Publication number: 20080199603
    Abstract: A polymer blend having at least one polysulfide component and at least one polythioether component is disclosed. The polymer blend offers numerous advantages, including the ability to compatibilize formulations based on either polysulfide chemistry or polythioether chemistry alone. Compositions comprising the polymer blend, particularly sealant formulations for use in aerospace applications, are also disclosed, as are multilayer sealant assemblies and methods for repairing the same.
    Type: Application
    Filed: April 21, 2008
    Publication date: August 21, 2008
    Applicant: PRC-DESOTO INTERNATIONAL, INC.
    Inventor: Michael A. Cosman