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: 4844952Abstract: 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: GrantFiled: December 30, 1987Date of Patent: July 4, 1989Assignee: PPG Industries, Inc.Inventors: Stephen M. Korenkiewicz, Kurt G. Olson, William G. Boberski, Suryya K. Das, S. Thomas Greer, Raymond E. Zaleski
-
Patent number: 4680204Abstract: 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: GrantFiled: June 27, 1986Date of Patent: July 14, 1987Assignee: PPG Industries, Inc.Inventors: Suryya K. Das, Jerome A. Seiner, Paul P. Greigger, James E. Jones, Raymond F. Schappert, William G. Boberski
-
Patent number: 4677004Abstract: 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: GrantFiled: October 2, 1985Date of Patent: June 30, 1987Assignee: PPG Industries, Inc.Inventors: Suryya K. Das, Jerome A. Seiner, Paul P. Greigger, James E. Jones, Raymond F. Schappert, William G. Boberski
-
Patent number: 4652470Abstract: 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: GrantFiled: March 21, 1986Date of Patent: March 24, 1987Assignee: PPG Industries, Inc.Inventors: Suryya K. Das, Jerome A. Seiner, Paul P. Greigger, James E. Jones, Raymond F. Schappert, William G. Boberski
-
Patent number: 4617331Abstract: 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: GrantFiled: July 1, 1985Date of Patent: October 14, 1986Assignee: PPG Industries, Inc.Inventors: William G. Boberski, Richard M. Nugent, Jeffrey G. Koren
-
Patent number: 4529467Abstract: 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: GrantFiled: October 25, 1983Date of Patent: July 16, 1985Assignee: PPG Industries, Inc.Inventors: Thomas A. Ward, Stanley T. Greer, William G. Boberski, Jerome A. Seiner
-
Patent number: 4526910Abstract: 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: GrantFiled: September 6, 1983Date of Patent: July 2, 1985Assignee: PPG Industries, Inc.Inventors: Suryya K. Das, Paul P. Greigger, William G. Boberski, James E. Jones, Raymond F. Schappert, Jerome A. Seiner
-
Patent number: 4522958Abstract: 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: GrantFiled: September 6, 1983Date of Patent: June 11, 1985Assignee: PPG Industries, Inc.Inventors: Suryya K. Das, William G. Boberski, Paul P. Greigger, James E. Jones, Raymond F. Schappert, Jerome A. Seiner
-
Patent number: 4439239Abstract: 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: GrantFiled: June 2, 1982Date of Patent: March 27, 1984Assignee: PPG Industries, Inc.Inventors: Paul P. Greigger, William G. Boberski, Jerome A. Seiner
-
Patent number: 4383866Abstract: 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: GrantFiled: August 11, 1982Date of Patent: May 17, 1983Assignee: PPG Industries, Inc.Inventors: Peter M. Nowakowski, William G. Boberski, Jerome A. Seiner
-
Patent number: 4375496Abstract: 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: GrantFiled: May 4, 1981Date of Patent: March 1, 1983Assignee: PPG Industries, Inc.Inventors: Peter M. Nowakowski, William G. Boberski, Jerome A. Seiner
-
Patent number: 4328033Abstract: 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: GrantFiled: May 4, 1981Date of Patent: May 4, 1982Assignee: PPG Industries, Inc.Inventors: William G. Boberski, Peter M. Nowakowski, Jerome A. Seiner
-
Patent number: 4319926Abstract: 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: GrantFiled: December 22, 1980Date of Patent: March 16, 1982Assignee: PPG Industries, Inc.Inventors: Peter M. Nowakowski, William G. Boberski, Jerome A. Seiner
-
Patent number: 4318743Abstract: 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: GrantFiled: November 26, 1980Date of Patent: March 9, 1982Assignee: PPG Industries, Inc.Inventors: John E. Blasko, William G. Boberski, Jerome A. Seiner
-
Patent number: 4304693Abstract: 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: GrantFiled: March 24, 1980Date of Patent: December 8, 1981Assignee: PPG Industries, Inc.Inventors: William G. Boberski, James E. Jones, Rodger G. Temple
-
Patent number: 4240838Abstract: 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: GrantFiled: February 15, 1979Date of Patent: December 23, 1980Assignee: PPG Industries, Inc.Inventors: John E. Blasko, William G. Boberski, Jerome A. Seiner
-
Patent number: 4196107Abstract: 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: GrantFiled: June 5, 1978Date of Patent: April 1, 1980Assignee: PPG Industries, Inc.Inventors: James E. Jones, Rodger G. Temple, Jerome A. Seiner, Sharon L. Young, William G. Boberski
-
Patent number: 4174229Abstract: 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: GrantFiled: March 28, 1978Date of Patent: November 13, 1979Assignee: PPG Industries, Inc.Inventors: William G. Boberski, Wen-Hsuan Chang, Victor G. Petracca, Jerome A. Seiner
-
Patent number: 4174228Abstract: 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: GrantFiled: March 28, 1978Date of Patent: November 13, 1979Assignee: PPG Industries, Inc.Inventors: William G. Boberski, Wen-Hsuan Chang, Jerome A. Seiner
-
Patent number: 4169735Abstract: 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: GrantFiled: January 10, 1978Date of Patent: October 2, 1979Assignee: PPG Industries, Inc.Inventors: William G. Boberski, Jerome A. Seiner, John E. Blasko