Patents by Inventor William G. Boberski

William G. Boberski 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).

  • Patent number: 4844952
    Abstract: A method of forming a multilayered finish on a substrate involves:I. applying a decorative finish to a substrate:II. applying a clear, aqueous based coating composition over the decorative finish of step I, said clear coating composition containing:(a) a waterborne polymer having calculated a glass transition temperature of at least about 40.degree. C. and having a one component working parameter of solubility, .delta. wp, in the range of about 9.0 to about 9.6 (cal./cm.sup.3).sup.1/2, with ##EQU1##whereinFi=the molar attraction constant of an individual functional group of the polymer expressed in cal..sup.1/2 cm.sup.3/2 /mole, andVi=the molar volume constant of an individual group of the polymer expressed in cubic cubic centimeters per mole; and(b) an amount of coalescing component sufficient to form a coalesced film, said clearcoating composition being essentially free of external crosslinking agents; andIII. allowing the coating composition to coalesce.
    Type: Grant
    Filed: December 30, 1987
    Date of Patent: July 4, 1989
    Assignee: PPG Industries, Inc.
    Inventors: Stephen M. Korenkiewicz, Kurt G. Olson, William G. Boberski, Suryya K. Das, S. Thomas Greer, Raymond E. Zaleski
  • Patent number: 4680204
    Abstract: Disclosed is a method of coating a substrate comprising the steps of (A) coating the substrate with one or more applications of a basecoating composition containing (1) an organic film-forming resin, (2) substantially colorless, substantially inorganic microparticles stably dispersed in the basecoating composition, (3) a solvent system for the film-forming resin, and (4) pigment particles to form a basecoat; and (B) coating the basecoat with one or more applications of a topcoating composition containing (1) an organic film-forming resin, and (2) a solvent system for the organic film-forming resin of the topcoating composition, to form a transparent topcoat. The substantially inorganic microparticles prior to incorporation in the basecoating composition range in size from about 1 to about 150 nanometers.
    Type: Grant
    Filed: June 27, 1986
    Date of Patent: July 14, 1987
    Assignee: PPG Industries, Inc.
    Inventors: Suryya K. Das, Jerome A. Seiner, Paul P. Greigger, James E. Jones, Raymond F. Schappert, William G. Boberski
  • Patent number: 4677004
    Abstract: Disclosed is a method of coating a substrate comprising the steps of (A) coating the substrate with one or more applications of a basecoating composition containing (1) an organic film-forming resin, (2) substantially colorless, substantially inorganic microparticles stably dispersed in the basecoating composition, (3) a solvent system for the film-forming resin, and (4) pigment particles to form a basecoat; and (B) coating the basecoat with one or more applications of a topcoating composition containing (1) an organic film-forming resin, and (2) a solvent system for the organic film-forming resin of the topcoating composition, to form a transparent topcoat. The substantially inorganic microparticles prior to incorporation in the basecoating composition range in size from about 1 to about 150 nanometers.
    Type: Grant
    Filed: October 2, 1985
    Date of Patent: June 30, 1987
    Assignee: PPG Industries, Inc.
    Inventors: Suryya K. Das, Jerome A. Seiner, Paul P. Greigger, James E. Jones, Raymond F. Schappert, William G. Boberski
  • Patent number: 4652470
    Abstract: Disclosed is a method of coating a substrate comprising the steps of (A) coating the substrate with one or more applications of a basecoating composition containing (1) an organic film-forming resin, (2) substantially colorless, substantially inorganic microparticles stably dispersed in the basecoating composition, (3) a solvent system for the film-forming resin, and (4) pigment particles to form a basecoat; and (B) coating the basecoat with one or more applications of a topcoating composition containing (1) an organic film-forming resin, and (2) a solvent system for the organic film-forming resin of the topcoating composition, to form a transparent topcoat. The substantially inorganic microparticles prior to incorporation in the basecoating composition range in size from about 1 to about 150 nanometers.
    Type: Grant
    Filed: March 21, 1986
    Date of Patent: March 24, 1987
    Assignee: PPG Industries, Inc.
    Inventors: Suryya K. Das, Jerome A. Seiner, Paul P. Greigger, James E. Jones, Raymond F. Schappert, William G. Boberski
  • Patent number: 4617331
    Abstract: There is herein provided an aqueous dispersion of a resinous composition which is water-solubilized with a metal compound such as a metal salt, an example of which is zinc acetate.
    Type: Grant
    Filed: July 1, 1985
    Date of Patent: October 14, 1986
    Assignee: PPG Industries, Inc.
    Inventors: William G. Boberski, Richard M. Nugent, Jeffrey G. Koren
  • Patent number: 4529467
    Abstract: An intumescent curable composition has as its principal constituents an epoxy resin; a curing agent; and an additive component which is composed of a mixture of materials which provide a source of phosphorus, zinc, boron and an expansion gas. The aforesaid composition is capable of forming a carbonaceous char upon exposure to heat or flame.
    Type: Grant
    Filed: October 25, 1983
    Date of Patent: July 16, 1985
    Assignee: PPG Industries, Inc.
    Inventors: Thomas A. Ward, Stanley T. Greer, William G. Boberski, Jerome A. Seiner
  • Patent number: 4526910
    Abstract: Disclosed is an essentially solvent-based, organic, high-solids coating composition containing (A) a film-forming binder system containing a crosslinkable resin having a weight average molecular weight of from about 500 to about 10,000; (B) substantially colorless, substantially inorganic microparticles stably dispersed in the coating composition; and (C) a solvent system for the crosslinkable resin. The substantially inorganic microparticles prior to incorporation in the coating composition range in size from about 1 to about 150 nanometers and are in the form of a sol of the microparticles in which the surface of the inorganic microparticles is essentially free of carbon-containing molecules chemically bonded to the inorganic microparticles.
    Type: Grant
    Filed: September 6, 1983
    Date of Patent: July 2, 1985
    Assignee: PPG Industries, Inc.
    Inventors: Suryya K. Das, Paul P. Greigger, William G. Boberski, James E. Jones, Raymond F. Schappert, Jerome A. Seiner
  • Patent number: 4522958
    Abstract: Disclosed is an essentially solvent-based, organic, high-solids coating composition containing (A) a film-forming binder system containing a crosslinkable resin having a weight average molecular weight of from about 500 to about 10,000; (B) substantially colorless, substantially inorganic microparticles stably dispersed in the coating composition; and (C) a solvent system for the crosslinkable resin. The inorganic microparticles prior to incorporation in the coating composition range in size from about 1 to about 150 nanometers and are in the form of a sol of the microparticles in which carbon-containing molecules are chemically bonded to the inorganic microparticles at the surface of the microparticles.
    Type: Grant
    Filed: September 6, 1983
    Date of Patent: June 11, 1985
    Assignee: PPG Industries, Inc.
    Inventors: Suryya K. Das, William G. Boberski, Paul P. Greigger, James E. Jones, Raymond F. Schappert, Jerome A. Seiner
  • Patent number: 4439239
    Abstract: Disclosed are coating compositions containing pigment in a vehicle comprising a dispersion of colloidal silica, a mixture of a hydrolyzable trialkoxysilane and a hydrolyzable dialkoxysilane, alcohol, water and sufficient acidifying agent to provide a pH of the vehicle ranging from about 2.8 to about 6.0.
    Type: Grant
    Filed: June 2, 1982
    Date of Patent: March 27, 1984
    Assignee: PPG Industries, Inc.
    Inventors: Paul P. Greigger, William G. Boberski, Jerome A. Seiner
  • Patent number: 4383866
    Abstract: Disclosed is a metal condensed phosphate comprising a core of metal condensed phosphate and a coating on the core comprising a reaction product of a metallate and acid. The amount of the reaction product comprising the coating generally ranges from about 0.1 percent to about 50 percent by weight based on the combined weight of the metal condensed phosphate and the reaction product.Also disclosed is a method of preparing a coated, metal condensed phosphate comprising combining an aqueous slurry of metal condensed phosphate with an aqueous metallate while maintaining the pH of the slurry in a range of from about 4 to about 10.
    Type: Grant
    Filed: August 11, 1982
    Date of Patent: May 17, 1983
    Assignee: PPG Industries, Inc.
    Inventors: Peter M. Nowakowski, William G. Boberski, Jerome A. Seiner
  • Patent number: 4375496
    Abstract: Disclosed is a metal condensed phosphate comprising a core of metal condensed phosphate and a coating on the core comprising a reaction product of a metallate and acid. The amount of the reaction product comprising the coating generally ranges from about 0.1 percent to about 50 percent by weight based on the combined weight of the metal condensed phosphate and the reaction product. Also disclosed is a method of preparing a coated, metal condensed phosphate comprising combining an aqueous slurry of metal condensed phosphate with an aqueous metallate while maintaining the pH of the slurry in a range of from about 4 to about 10.
    Type: Grant
    Filed: May 4, 1981
    Date of Patent: March 1, 1983
    Assignee: PPG Industries, Inc.
    Inventors: Peter M. Nowakowski, William G. Boberski, Jerome A. Seiner
  • Patent number: 4328033
    Abstract: Disclosed is an aqueous curable composition comprising:(A) a water-soluble and/or water-dispersible silicate; and(B) a metal condensed phosphate hardener, the metal condensed phosphate hardener comprising a core of metal condensed phosphate and a coating on the core comprising a reaction product of a metallate and acid; and(C) water.Also disclosed are methods of preparing the compositions of the invention.
    Type: Grant
    Filed: May 4, 1981
    Date of Patent: May 4, 1982
    Assignee: PPG Industries, Inc.
    Inventors: William G. Boberski, Peter M. Nowakowski, Jerome A. Seiner
  • Patent number: 4319926
    Abstract: Disclosed is a curable composition consisting essentially of(a) from about 10 to about 32 percent by weight of a water-soluble and/or water dispersible alkali metal silicate; and(b) from about 2 to about 10 percent by weight of a metal condensed phosphate hardener in the form of an aqueous dispersion containing a water-soluble base in an amount such that the pH of the aqueous dispersion of the hardener is greater than 9.5.Also disclosed is a method of preparing such a curable composition.
    Type: Grant
    Filed: December 22, 1980
    Date of Patent: March 16, 1982
    Assignee: PPG Industries, Inc.
    Inventors: Peter M. Nowakowski, William G. Boberski, Jerome A. Seiner
  • Patent number: 4318743
    Abstract: This invention relates to pigmented curable silicate compositions having better pigment dispersions as evidenced by improved color uniformity, hiding power, lower viscosity and consistency. The aqueous compositions contain water-soluble or -dispersible silicate glass, pigment and a base having a basicity greater than that of the silicate glass. Preferred compositions also contain a water-soluble latent insolubilizing agent.
    Type: Grant
    Filed: November 26, 1980
    Date of Patent: March 9, 1982
    Assignee: PPG Industries, Inc.
    Inventors: John E. Blasko, William G. Boberski, Jerome A. Seiner
  • Patent number: 4304693
    Abstract: This invention relates to coating compositions which are "solid" prior to application, yet, which when applied to a substrate, flow and level in a manner similar to conventional coating compositions.
    Type: Grant
    Filed: March 24, 1980
    Date of Patent: December 8, 1981
    Assignee: PPG Industries, Inc.
    Inventors: William G. Boberski, James E. Jones, Rodger G. Temple
  • Patent number: 4240838
    Abstract: This invention relates to pigmentary hardener-containing curable silicate compositions having improved water resistance, wherein the pigmentary hardener has the formula M.sub.x M.sub.y 'O.sub.z where M is a divalent or trivalent metal ion, M' is an ion of a metal from Groups III, IV or VIB of the Periodic Table of Elements, provided M and M' are not the same metal ion, x is 1 or 2, y is 1, 2 or 3 and z is an integer the value of which satisfies the oxidation state of the pigmentary hardener.
    Type: Grant
    Filed: February 15, 1979
    Date of Patent: December 23, 1980
    Assignee: PPG Industries, Inc.
    Inventors: John E. Blasko, William G. Boberski, Jerome A. Seiner
  • Patent number: 4196107
    Abstract: This invention relates to coating compositions which are "solid" prior to application, yet, which when applied to a substrate, flow and level in a manner similar to conventional coating compositions. The coating compositions of the invention comprise a gelled coating composition, capable of application and flow on a solid substrate comprising: (a) a water reducible polymer, (b) water, (c) an electrolyte, and (d) a colloidal gelling agent, gelable by interaction with the electrolyte, in an amount sufficient, when interacted with said electrolyte, to gel the composition to form a stable semisolid and to provide a composition reducible to a coating application viscosity upon the application of a relatively small shearing force at a relatively small shearing rate; which gelled coating composition, after being sheared to a coating application viscosity, does not recover substantial colloidal gelling agent contributed gel structure.
    Type: Grant
    Filed: June 5, 1978
    Date of Patent: April 1, 1980
    Assignee: PPG Industries, Inc.
    Inventors: James E. Jones, Rodger G. Temple, Jerome A. Seiner, Sharon L. Young, William G. Boberski
  • Patent number: 4174229
    Abstract: Cementitious magnesia compositions are disclosed containing at least one of a family of organo-silicon compounds, each of which is characterized in having attached to the silicon atom at least one group hydrolyzable at the silicon atom and at least one group comprising a moiety that is attached to the silicon atom through a substantially non-hydrolyzable silicon-carbon bond. Magnesia compositions containing one of the described organo-silicon compounds, wherein the non-hydrolyzable moiety has a working parameter of solubility, .delta..sub.wp, typically in the range of about 6.2 to about 8.0 (cal./cc).sup.1/2, have improved casting, molding or spraying properties as compared to magnesia compositions lacking the organo-silicon compound.
    Type: Grant
    Filed: March 28, 1978
    Date of Patent: November 13, 1979
    Assignee: PPG Industries, Inc.
    Inventors: William G. Boberski, Wen-Hsuan Chang, Victor G. Petracca, Jerome A. Seiner
  • Patent number: 4174228
    Abstract: Magnesium oxide cementitious compositions are disclosed containing salts of organo-silanols. The silanol salts are water-soluble and are characterized in having attached to the silicon atom at least one group comprising a moiety attached to the silicon atom through a substantially non-hydrolyzable silicon-carbon bond and at least one silanol group which is at least partially neutralized with a base. A magnesia composition containing one or more of these organo-silanol salts has improved casting, molding, or spraying properties, as compared to a magnesia composition lacking the silanol salt.
    Type: Grant
    Filed: March 28, 1978
    Date of Patent: November 13, 1979
    Assignee: PPG Industries, Inc.
    Inventors: William G. Boberski, Wen-Hsuan Chang, Jerome A. Seiner
  • Patent number: 4169735
    Abstract: Curable one-package compositions which form products having excellent water resistance as well as other desirable properties are prepared by forming aqueous solutions of water-soluble silicates and water-soluble borate latent insolubilizers selected from the group consisting of alkali metal or quaternary ammonium borates, having dispersed therein certain inorganic pigments, preferably TiO.sub.2. These curable compositions may be employed in a number of applications such as, for example, coatings, castings and moldings, but they are particularly useful in protective and decorative applications.
    Type: Grant
    Filed: January 10, 1978
    Date of Patent: October 2, 1979
    Assignee: PPG Industries, Inc.
    Inventors: William G. Boberski, Jerome A. Seiner, John E. Blasko