Patents Represented by Attorney Donna L. Seidel

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  • Multi-component sol-gel protective coating composition
    Patent number: 4754012
    Abstract: A multi-component organoalkoxysilane/metal alkoxide sol-gel composition and method for its production are disclosed whereby an organoalkoxysilane of the general formulaR.sub.x Si(OR').sub.4-xwherein R is an organic radical, R' is low molecular weight alkyl radical, and x is at least 1 and less than 4, is partially hydrolyzed, reacted with a mixture of metal alkoxides, and the resulting composition is further hydrolyzed and condensed to form an inorganic oxide network. The composition is dried and cured to form an abrasion-resistant coating on a substrate having improved properties in comparison with single metal alkoxide compositions.
    Type: Grant
    Filed: October 3, 1986
    Date of Patent: June 28, 1988
    Assignee: PPG Industries, Inc.
    Inventors: Bulent E. Yoldas, Chia-Cheng Lin
  • Abrasion-resistant organosiloxane/metal oxide coating
    Patent number: 4753827
    Abstract: An organoalkoxysilane/metal oxide sol-gel composition and method for its production are disclosed whereby an organoalkoxysilane of the general formulaR.sub.x Si(OR').sub.4-xwherein R is an organic radical, R' is a low molecular weight alkyl radical, and x is at least 1 and less than 4, is partially hydrolyzed in organic solution and reacted with a titanium or zirconium alkoxide of the general formula M(OR").sub.4 wherein M is titanium or zirconium and R" is a lower alkyl radical. The composition is hydrolyzed, dried and condensed to form an organosiloxane/metal oxide abrasion-resistant coating on a substrate.
    Type: Grant
    Filed: October 3, 1986
    Date of Patent: June 28, 1988
    Assignee: PPG Industries, Inc.
    Inventors: Bulent E. Yoldas, Chia-Cheng Lin
  • Method of and apparatus for delivering powder coating reactants
    Patent number: 4753191
    Abstract: A method is disclosed for depositing a coating from a turbulent gaseous stream of a powder coating reactant delivered to a substrate surface through a slot-shaped nozzle.
    Type: Grant
    Filed: January 18, 1985
    Date of Patent: June 28, 1988
    Assignee: PPG Industries, Inc.
    Inventor: Vern A. Henery
  • Anode for magnetic sputtering of gradient films
    Patent number: 4744880
    Abstract: An improved anode system for producing uniform gradient coatings by magnetic sputtering is disclosed, comprising a pair of anode plates asymmetrically designed and positioned along the length of the cathode.
    Type: Grant
    Filed: October 17, 1984
    Date of Patent: May 17, 1988
    Assignee: PPG Industries, Inc.
    Inventors: F. Howard Gillery, Russell C. Criss
  • Titanate/organosilane compositions
    Patent number: 4743503
    Abstract: A titanate/organosilane copolymer is disclosed for use as a primer to promote adhesion between a rigid polymer substrate and an elastomeric interlayer or inorganic coating, or as a release agent to prevent such adhesion depending on the nature of the organic moiety of the organosilane.
    Type: Grant
    Filed: December 23, 1985
    Date of Patent: May 10, 1988
    Assignee: PPG Industries, Inc.
    Inventors: Chia-Cheng Lin, Thomas G. Rukavina
  • Titanate/organosilane compositions
    Patent number: 4741931
    Abstract: A titanate/organosilane copolymer is disclosed for use as a primer to promote adhesion between a rigid polymer substrate and an elastomeric interlayer or inorganic coating, or as a release agent to prevent such adhesion depending on the nature of the organic moiety of the organosilane.
    Type: Grant
    Filed: September 22, 1986
    Date of Patent: May 3, 1988
    Assignee: PPG Industries, Inc.
    Inventors: Chia-Cheng Lin, Thomas G. Rukavina
  • Sol-gel compositions containing silane and alumina
    Patent number: 4731264
    Abstract: An organoalkoxysilane/alumina sol-gel composition and method for its production are disclosed whereby an aluminum alkoxide is hydrolyzed in water to form a sol, to which is added a hydrolyzable organoalkoxysilane of the general formulaR.sub.x Si(OR').sub.4-xwherein R is an organic radical, R' is a low molecular weight alkyl radical, and x is at least 1 and less than 4. The composition is dried and cured to form an organosiloxane/alumina monolith or coating on a substrate.
    Type: Grant
    Filed: October 3, 1986
    Date of Patent: March 15, 1988
    Assignee: PPG Industries, Inc.
    Inventors: Chia-Cheng Lin, Charlene A. Falleroni
  • Abrasion resistant polyurethane coatings for rigid plastics
    Patent number: 4731289
    Abstract: A method is disclosed for casting a colorless, single phase liquid reaction mixture comprising an aliphatic diisocyanate and a polyester polyol against a rigid transparent plastic and curing at a sufficiently rapid rate at temperatures of about 175.degree. to 275.degree. F. (about 79.degree. to 135.degree. C.) to form a relatively soft, resilient, abrasion resistant branched polyurethane coating without warpage or deterioration of the rigid plastic. The polyesterurethane coatings disclosed are characterized by durometer values at 70.degree. F. between Shore A 50 and Shore D 80, and molecular weights between branch points between 1000 and 13,000.
    Type: Grant
    Filed: November 24, 1986
    Date of Patent: March 15, 1988
    Assignee: PPG Industries, Inc.
    Inventor: Charles R. Coleman
  • Primer for adherence to plastic substrates
    Patent number: 4725501
    Abstract: A silicate/titanate copolymer is disclosed for use as a primer in adhering rigid polymer substrates to elastomeric interlayers or inorganic coatings.
    Type: Grant
    Filed: May 28, 1985
    Date of Patent: February 16, 1988
    Assignee: PPG Industries, Inc.
    Inventors: Thomas G. Rukavina, Chia-Cheng Lin
  • Aqueous chemical suspension for pyrolytic deposition of metal-containing film
    Patent number: 4719127
    Abstract: A method is disclosed for depositing metal containing films using relatively water-insoluble coating reactants by dispersing said coating reactants in ultrafine powder form into an aqueous medium containing a wetting agent to form an aqueous chemical suspension.
    Type: Grant
    Filed: February 2, 1983
    Date of Patent: January 12, 1988
    Assignee: PPG Industries, Inc.
    Inventor: Charles B. Greenberg
  • Pyrolytic deposition of metal oxide film from aqueous suspension
    Patent number: 4719126
    Abstract: A method is disclosed for depositing metal-containing films using relatively water-insoluble coating reactants by dispersing said coating reactants in powder form into an aqueous medium with vigorous agitation to form an aqueous physical suspension.
    Type: Grant
    Filed: February 2, 1983
    Date of Patent: January 12, 1988
    Assignee: PPG Industries, Inc.
    Inventor: Vern A. Henery
  • Protective overcoat for low emissivity coated article
    Patent number: 4716086
    Abstract: A multiple layer high transmittance, low emissivity coated article is disclosed with improved chemical resistance as a result of a protective overcoat of titanium oxide.
    Type: Grant
    Filed: December 23, 1985
    Date of Patent: December 29, 1987
    Assignee: PPG Industries, Inc.
    Inventors: F. Howard Gillery, Russell C. Criss, James J. Finley
  • Stainless steel overcoat for sputtered films
    Patent number: 4692389
    Abstract: A method is disclosed for improving the stability and durability of sputtered metal films such as silver and copper by means of depositing a protective overcoat of a metal such as stainless steel on the exposed surface of the film.
    Type: Grant
    Filed: March 17, 1986
    Date of Patent: September 8, 1987
    Assignee: PPG Industries, Inc.
    Inventors: F. Howard Gillery, Russell C. Criss
  • Cyanoethylacrylate/acrylic acid copolymer
    Patent number: 4670350
    Abstract: Novel copolymers of acrylic acid and cyanoethylacrylate, and the use of such copolymers as primers for bonding metal-containing coatings to organic polymer substrates, are disclosed. The copolymers of the present invention may be linear or crosslinked, may further comprise hydroxyethylacrylate, and are preferably of low molecular weight when used in solution as a primer.
    Type: Grant
    Filed: April 1, 1986
    Date of Patent: June 2, 1987
    Assignee: PPG Industries, Inc.
    Inventor: Thomas G. Rukavina
  • Non-glare coated glass
    Patent number: 4636439
    Abstract: An alkali silicate non-glare coating is disclosed which has improved optical properties, specially resistance to haze, as a result of acid treatment which removes excess alkali from the coating.
    Type: Grant
    Filed: December 16, 1985
    Date of Patent: January 13, 1987
    Assignee: PPG Industries, Inc.
    Inventor: J. Shannon Breininger
  • Sputtered indium oxide films
    Patent number: 4622120
    Abstract: A method for improving the adhesion of metal to metal oxide films is disclosed, along with improved coated articles produced thereby. The method comprises depositing between a metal and a metal oxide layer a metal containing layer having affinity for both the metal and metal oxide layers . . .
    Type: Grant
    Filed: January 31, 1984
    Date of Patent: November 11, 1986
    Assignee: PPG Industries, Inc.
    Inventor: F. Howard Gillery
  • Sputtered films of metal alloy oxides and method of preparation thereof
    Patent number: 4610771
    Abstract: A metal alloy oxide film and sputtering method for its production are disclosed, as well as a high transmittance, low emissivity coated product employing said metal alloy oxide film as an antireflective film in combination with a metallic film such as silver.
    Type: Grant
    Filed: October 29, 1984
    Date of Patent: September 9, 1986
    Assignee: PPG Industries, Inc.
    Inventor: F. Howard Gillery
  • Cyanoethylacrylate/acrylic acid copolymer
    Patent number: 4609703
    Abstract: Novel copolymers of acrylic acid and cyanoethylacrylate, and the use of such copolymers as primers for bonding metal-containing coatings to organic polymer substrates, are disclosed. The copolymers of the present invention may be linear or crosslinked, may further comprise hydroxyethylacrylate, and are preferably of low molecular weight when used in solution as a primer.
    Type: Grant
    Filed: June 5, 1985
    Date of Patent: September 2, 1986
    Assignee: PPG Industries, Inc.
    Inventor: Thomas G. Rukavina
  • Method of applying interleaving material to glass sheets
    Patent number: 4606946
    Abstract: A method is disclosed for applying a powdered interleaving material to a glass surface in the form of an aqueous composition comprising particulate interleaving material dispersed in atomized water.
    Type: Grant
    Filed: July 12, 1985
    Date of Patent: August 19, 1986
    Assignee: PPG Industries, Inc.
    Inventors: Paul F. Duffer, Joseph D. Kelly, Helmut Franz
  • Spring tensioned wire resistance heater
    Patent number: 4602239
    Abstract: An apparatus is disclosed for providing uniform radiant heat to a substrate by means of a plurality of parallel electroconductive heating wires which are maintained in planar relationship upon heat expansion by means of attachment to a movable bus bar attached to a tensioned spring, positioned in contact with a stationary member which limits its movement to a plane parallel to the plane of the heating wires.
    Type: Grant
    Filed: October 29, 1984
    Date of Patent: July 22, 1986
    Assignee: PPG Industries, Inc.
    Inventor: J. Cletus Harper