Assignee: PPG Industries, Inc.

Location: Pittsburgh, PA
No. of patents: 2796

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Number	Title	Issue Date
8062746	Resin compatible yarn binder and uses thereof A fiber strand comprising at least one fiber at least partially coated with a composition formed from at least one rosin, at least one cationic lubricant, at least one film forming material, at least one organosilane coupling agent, and at least one dispersion of po...	11/22/2011
6004676	Optical fiber cable assembly The present invention provides an optical fiber cable assembly including an optical fiber and a reinforcement strand including a plurality of sized glass fibers positioned about the optical fiber, the strand having thereon a dried residue of a secondary a...	12/21/1999
5976652	Polypropylene film/adhesion promoter/metal laminate and its use for the production of packaging containers The present invention relates to polypropylene film-adhesion promoter-metal laminates, adhesion promoter used being polypropylene modified with carboxyl groups and/or anhydride groups. Polypropylene random copolymers of 90 to 99% by weight, preferably 93 ...	11/02/1999
5955520	Photochromic indeno-fused naphthopyrans Described are novel photochromic indeno-fused naphthopyran compounds, examples of which are naphthopyran compounds having a substituted or unsubstituted indeno group, the 2,1 positions of which are fused to the f side of the naphtho portion of the naphtho...	09/21/1999
5948557	Very thin microporous material Very thin microporous material comprises a matrix of substantially linear polyolefin, finely divided substantially water-insoluble filler particles distributed throughout the matrix, and a network of interconnecting pores communicating substantially throu...	09/07/1999
5916625	Method and apparatus for spraying waterborne coatings under varying conditions The detrimental effects of fluctuating humidity are neutralized by adjusting the viscosity of a waterborne coating as it is being conducted to the spraying device. A predetermined amount of water or other viscosity modifying additive is mixed continuously...	06/29/1999
5916686	Siloxane organic hybrid polymer catalyst Siloxane organic hybrid polymers and a method of making them by condensation polymerization reaction of organoalkoxysilane with an alkali metal carboxylic acid catalyst in the presence of organic film-forming polymers are disclosed....	06/29/1999
5910458	Glass fiber mats, thermosetting composites reinforced with the same and methods for making the same The present invention provides a needled mat adapted to reinforce a thermosetting matrix material to form a composite, composites formed therefrom, and methods related thereto. The needled mat includes a primary layer of a plurality of unidirectional cont...	06/08/1999
5908689	Glass fiber strand mats, thermosetting composites reinforced with the same and methods for making the same The present invention provides a mat adapted to reinforce a thermosetting matrix material to form a composite, composites formed therefrom, and methods related thereto. The mat includes a primary, supporting layer having a plurality of randomly oriented e...	06/01/1999
5906843	Amorphous precipitated silica having large liquid carrying capacity Substantially dry free-flowing particles of amorphous precipitated silica have large sizes and large carrying capacities for organic liquids, and they contain little or no dust....	05/25/1999
5906722	Method of converting amine hydrohalide into free amine Describes a method of electrochemically converting amine hydrohalide, e.g., ethyleneamine hydrochloride, into free amine, e.g., free ethyleneamine. A three compartment electrolytic cell is provided having (1) a catholyte compartment containing a cathode a...	05/25/1999
5905121	Active ester urethane crosslinking agents and their use in film-forming compositions An active ester compound having an alkoxy group is provided having the structure: wherein: R1 is derived from a polyisocyanate R1 (NCO)m reacted with an active hydrogen-containing material to form the urethane group in the ...	05/18/1999
5904829	Method of converting amine hydrohalide into free amine Describes a method of electreochemically converting amine hydrohalide, e.g., amine hydrochloride, into free amine, e.g., free ethyleneamine. An electrolytic cell is provided having (1) a catholyte compartment containing a cathode assembly comprising a cat...	05/18/1999
5902505	Heat load reduction windshield A multiple-layer, high transmittance, low emissivity coated article is disclosed comprising at least two infrared reflective metal layers alternatingly combined with at least three metal oxide antireflective layers to produce a coating with superior low e...	05/11/1999
5900133	Method of converting amine hydrohalide into free amine Describes a method of electrochemically converting amine hydrohalide, e.g., ethyleneamine hydrochloride, into free amine, e.g., free ethyleneamine. A three compartment electrolytic cell is provided having (1) a catholyte compartment containing a cathode a...	05/04/1999
5893940	Reduction of NO_x emissions in a glass melting furnace A method of controlling NOx emissions from a glass melting process in which combustion fuel produces exhaust gas in a melting furnace including NOx compounds is disclosed. Furnace exhaust gas passes from the melting furnace through a...	04/13/1999
5891981	Curable compositions composite coatings and process for having improved mar and abrasion resistance A curable composition and process of applying the composition and the resulting composite coatings provide improved resistance to acid etch and mar. The curable composition has (a) about 30 to 90 percent by weight, based on total weight of resin solids, o...	04/06/1999
5891960	Coating compositions with citric acid containing polymers for enhanced adhesion to substrates Coating compositions comprised of a film forming polymer which is the reaction product of (a) a compound containing pendant and/or terminal hydroxyl or epoxy functional groups and (b) citric acid or citric acid anhydride. The coating compositions have enh...	04/06/1999
5891368	Fluoranthenopyrans Described are novel photochromic 8-substituted fluoranthenopyran compounds having certain substituents at the 5 position of the pyran ring. These compounds may be represented by the following graphic formula: ##STR1## Also described are polymeric org...	04/06/1999
5888467	Amorphous precipitated silica characterized by high dispersion in cured organic rubber compositions Amorphous precipitated silica is characterized by a standard white area of less than 0.8 percent. The low standard white area is a characteristic of the silica which is indicative of high (i.e., very effective) dispersion when the silica is incorporated i...	03/30/1999
5886321	Arrangement for heating the wiper rest area of a vehicle windshield The present invention provides a windshield with a heating arrangement to heat the wiper rest area of the windshield. The windshield includes first and second glass sheets secured together by an interlayer. A single, continuous resistance heating wire is ...	03/23/1999
5883023	Glass monofilament and strand mats, thermoplastic composites reinforced with the same and methods for making the same A needled mat adapted to reinforce a thermoplastic matrix material to form a composite, the mat including: (a) a plurality of discontinuous glass monofilaments present in an amount ranging from at least about 30 weight percent to about 99 weight percent o...	03/16/1999
5883021	Glass monofilament and strand mats, vacuum-molded thermoset composites reinforced with the same and methods for making the same A vacuum molding-compatible mat including about 10 weight percent to about 99 weight percent glass monofilaments having a mean average length ranging from about 5 to about 150 millimeters and coated with a filament coating composition which is compatible ...	03/16/1999
5882501	Method of converting amine hydrohalide into free amine Describes a method of electrochemically converting amine hydrohalide, e.g., ethyleneamine hydrochloride, into free amine, e.g., free ethyleneamine, by charging an aqueous solution of amine hydrohalide to the catholyte compartment of an electrolytic cell, ...	03/16/1999
5880196	Inkjet printing media A printing medium comprising a substrate having at least one surface and a coating on the surface wherein the coating comprises: (a) binder comprising: (1) organic polymer which is substantially free of onium groups, and (2) onium addition polymer consist...	03/09/1999
5879592	Water soluble photochromic compounds, compositions and optical elements comprising the compounds Described are novel water soluble photochromic naphthopyran and benzopyran compounds having an alkylaminoalkylamino group on the naphtho- or benzo-portions and/or pyran portions thereof. These compounds may be represented by one of the following graphic f...	03/09/1999
5879427	Bushing assemblies for fiber forming A bushing assembly for forming fibers from a supply of molten fiberizable material has: (a) a bushing block having an insulating body with a bore extending therethrough and (b) an electrically conductive bushing positioned adjacent to the bushing block to...	03/09/1999
5877473	Element for heating wiper rest area of a transparency and method of fabricating a transparency having a heatable wiper rest area The wiper rest area of an automotive windshield is heated by a heatable member optionally mounted on a polyester substrate or heating element. The windshield includes outer and inner glass sheets secured together by an interlayer. The heating element is p...	03/02/1999
5873203	Photoelectrolytically-desiccating multiple-glazed window units A multiple-glazed window unit of the type which includes two or more sheets maintained in spaced relationship to each other by a spacing assembly to form an airspace wherein surfaces of the unit in contact with the airspace are subject to the accumulation...	02/23/1999
5872067	Glass fiber strand mats, thermoplastic composites reinforced with the same and methods for making the same A needled mat adapted to reinforce a thermoplastic matrix material includes (a) a primary layer having a plurality of thermoplastic fibers in an amount greater than about 20 weight percent of the primary layer on a total solids basis, the primary layer be...	02/16/1999
5869566	Rapid drying, isocyanate cured coating composition with improved adhesion A coating composition contains an active hydrogen group-containing polymer (e.g., polyol and/or polyester) and a polyisocyanate curing agent. The polyisocyanate curing agent contains (i) at least 5 weight percent triaminononane triisocyanate, and (ii) at ...	02/09/1999
5868874	Zinc phosphate conversion coating compositions and process A process for forming a zinc phosphate coating on an aluminum substrate is provided to obtain good coverage by the coating. The coating preferably has a columnar or nodular crystal morphology and a coating weight of at least about 150 mg/ft2. T...	02/09/1999
5868820	Aqueous coating compositions and coated metal surfaces Aqueous coating compositions are described which comprise (A) at least one cyclic hydroxy compound selected from the group consisting of cyclic polyhydroxy compounds and substituted phenols; (B) phosphate ions; (C) at least one oxidizer-accelerator; and (D) water. ...	02/09/1999
5869658	Photochromic indeno-fused naptho2,1-b!pyrans Described are novel photochromic indeno-fused naphthopyran compounds having certain substituents at the 2-position of the pyran ring and an alkoxy group at the number 6 carbon atom. Certain other substituents may also optionally be present at the number 5...	02/09/1999
5863613	Apparatus and method for spray painting of an article An apparatus and method for spray painting of an article where the paint is heated to reduce the viscosity prior to being fed to a paint spray device such as an electrostatic paint spray device. A heat exchange unit is provided between each of a plurality...	01/26/1999
5863337	Apparatus for coating a moving glass substrate An apparatus for coating a moving substrate which provides means for directing a coating composition vapor toward a substrate surface and moving portions of the vapor in opposite directions. The apparatus of the present invention may have the exhaust mean...	01/26/1999
5863646	Coating composition for plastic substrates and coated plastic articles A liquid coating composition, comprising (a) from about 5 to 100 percent of resin solids of a mixture of (i) a substantially saturated polyhydroxylated polydiene polymer, having terminal hydroxyl groups, and (ii) a chlorinated polyolefin, wherein the weig...	01/26/1999
5860539	Glass shipping rack having removable front and/or rear gates A rack has a front wall and back wall connected to a base to secure glass sheets in the rack on edge tilted toward the back wall. The front restraints are mounted on the front gate and sheet support members mounted on the rear gate to secure the sheets in...	01/19/1999
5858282	Aqueous amine fluoride neutralizing composition for metal pretreatments containing organic resin and method An amine fluoride neutralizing composition comprised of (a) about 1 to about 50 weight percent hydrofluoric acid, (b) optionally up to about 18 weight percent of a complex fluoride containing compound, and about 45 to about 99 weight percent of an amine. ...	01/12/1999
5859154	Resinous composition of phosphatized polyester polymers and coating compositions for improved adhesion An adherent coating composition and method has a resin composition that is the polymerization reaction product of one or more polyhydric alcohols and two polybasic carboxylic acids and salt forming compounds of phosphorus. The carboxylic acid is comprised...	01/12/1999

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Assignee: PPG Industries, Inc.