Assignee
PPG INDUSTRIES INC
2,823 granted patents·92,906 citations·filing 1969–2021
Top patents by PatentIndex Score
2,823 records- 0199US5328768ADurable water repellant glass surfacePPG INDUSTRIES INC·Filed 1991·Granted Jul 12, 1994·273 cites·20 claims
- 0299US5028759ALow emissivity film for a heated windshieldPPG INDUSTRIES INC·Filed 1989·Granted Jul 2, 1991·177 cites·6 claims
- 0399US4898790ALow emissivity film for high temperature processingPPG INDUSTRIES INC·Filed 1988·Granted Feb 6, 1990·313 cites·12 claims
- 0499US4898789ALow emissivity film for automotive heat load reductionPPG INDUSTRIES INC·Filed 1988·Granted Feb 6, 1990·394 cites·11 claims
- 0599US4806220AMethod of making low emissivity film for high temperature processingPPG INDUSTRIES INC·Filed 1986·Granted Feb 21, 1989·375 cites·9 claims
- 0699US4792536ATransparent infrared absorbing glass and method of makingPPG INDUSTRIES INC·Filed 1987·Granted Dec 20, 1988·497 cites·32 claims
- 0799US4716086AProtective overcoat for low emissivity coated articlePPG INDUSTRIES INC·Filed 1985·Granted Dec 29, 1987·194 cites·10 claims
- 0899US4681811AColor plus clear coatings employing polyepoxides and polyacid curing agents in the clear coatPPG INDUSTRIES INC·Filed 1986·Granted Jul 21, 1987·255 cites·33 claims
- 0999US4610771ASputtered films of metal alloy oxides and method of preparation thereofPPG INDUSTRIES INC·Filed 1984·Granted Sep 9, 1986·294 cites·20 claims
- 1099US4379040AMethod of and apparatus for control of reactive sputtering depositionPPG INDUSTRIES INC·Filed 1982·Granted Apr 5, 1983·195 cites·14 claims
- 1199US4147679AWater-reduced urethane coating compositionsPPG INDUSTRIES INC·Filed 1977·Granted Apr 3, 1979·339 cites·32 claims
- 1299US4046729AWater-reduced urethane coating compositionsPPG INDUSTRIES INC·Filed 1975·Granted Sep 6, 1977·235 cites·35 claims
- 1399US3962165AQuaternary ammonium salt-containing resin compositionsPPG INDUSTRIES INC·Filed 1974·Granted Jun 8, 1976·161 cites·16 claims
- 1499US3959201AHigh solids, water thinnable compositionsPPG INDUSTRIES INC·Filed 1973·Granted May 25, 1976·78 cites·19 claims
- 1598US5821001ACoated articlesPPG INDUSTRIES INC·Filed 1997·Granted Oct 13, 1998·336 cites·38 claims
- 1698US5723072APhotochromic heterocyclic fused indenonaphthopyransPPG INDUSTRIES INC·Filed 1997·Granted Mar 3, 1998·202 cites·23 claims
- 1798US5580819ACoating composition, process for producing antireflective coatings, and coated articlesPPG INDUSTRIES INC·Filed 1995·Granted Dec 3, 1996·204 cites·37 claims
- 1898US5393593ADark gray, infrared absorbing glass composition and coated glass for privacy glazingPPG INDUSTRIES INC·Filed 1993·Granted Feb 28, 1995·310 cites·47 claims
- 1998US5385872AUltraviolet absorbing green tinted glassPPG INDUSTRIES INC·Filed 1992·Granted Jan 31, 1995·261 cites·12 claims
- 2098US5244602APhotochromic naphthopyransPPG INDUSTRIES INC·Filed 1990·Granted Sep 14, 1993·68 cites·32 claims
- 2198US5240886AUltraviolet absorbing, green tinted glassPPG INDUSTRIES INC·Filed 1990·Granted Aug 31, 1993·345 cites·5 claims
- 2298US5231156AOrganic/inorganic hybrid polymersPPG INDUSTRIES INC·Filed 1989·Granted Jul 27, 1993·142 cites·20 claims
- 2398US5059295AMethod of making low emissivity windowPPG INDUSTRIES INC·Filed 1990·Granted Oct 22, 1991·246 cites·1 claims
- 2498US5030593ALightly tinted glass compatible with wood tonesPPG INDUSTRIES INC·Filed 1990·Granted Jul 9, 1991·222 cites·7 claims
- 2598US5030594AHighly transparent, edge colored glassPPG INDUSTRIES INC·Filed 1990·Granted Jul 9, 1991·255 cites·16 claims
- 2698US4919700AVacuum refining of glassy materials with selected water contentPPG INDUSTRIES INC·Filed 1989·Granted Apr 24, 1990·103 cites·10 claims
- 2798US4900633AHigh performance multilayer coatingsPPG INDUSTRIES INC·Filed 1987·Granted Feb 13, 1990·169 cites·20 claims
- 2898US4880667APhotochromic plastic article and method for preparing samePPG INDUSTRIES INC·Filed 1987·Granted Nov 14, 1989·235 cites·31 claims
- 2998US4861669ASputtered titanium oxynitride filmsPPG INDUSTRIES INC·Filed 1987·Granted Aug 29, 1989·189 cites·6 claims
- 3098US4834857ANeutral sputtered films of metal alloy oxidesPPG INDUSTRIES INC·Filed 1988·Granted May 30, 1989·133 cites·10 claims
- 3198US4816056AHeating and agitating method for multi-stage melting and refining of glassPPG INDUSTRIES INC·Filed 1987·Granted Mar 28, 1989·105 cites·7 claims
- 3298US4798745ANon-yellowing coating composition based on a hydroxy component and an anhydride component and utilization in a process of coatingPPG INDUSTRIES INC·Filed 1987·Granted Jan 17, 1989·132 cites·25 claims
- 3398US4764430ACrosslinkable compositions containing polyepoxides and polyacid curing agentsPPG INDUSTRIES INC·Filed 1987·Granted Aug 16, 1988·132 cites·26 claims
- 3498US4746347APatterned float glass methodPPG INDUSTRIES INC·Filed 1987·Granted May 24, 1988·219 cites·9 claims
- 3598US4738938AMelting and vacuum refining of glass or the like and composition of sheetPPG INDUSTRIES INC·Filed 1986·Granted Apr 19, 1988·115 cites·54 claims
- 3698US4731264ASol-gel compositions containing silane and aluminaPPG INDUSTRIES INC·Filed 1986·Granted Mar 15, 1988·232 cites·20 claims
- 3798US4719132AProcess for the preparation of multi-layered coatings and coated articles derived therefromPPG INDUSTRIES INC·Filed 1987·Granted Jan 12, 1988·151 cites·22 claims
- 3898US4680204AColor plus clear coating system utilizing inorganic microparticlesPPG INDUSTRIES INC·Filed 1986·Granted Jul 14, 1987·156 cites·26 claims
- 3998US4679331AApparatus and method for determining contour characteristics of a contoured articlePPG INDUSTRIES INC·Filed 1985·Granted Jul 14, 1987·207 cites·14 claims
- 4098US4650718AColor plus clear coatings employing polyepoxides and polyacid curing agentsPPG INDUSTRIES INC·Filed 1985·Granted Mar 17, 1987·149 cites·27 claims
- 4198US4632687AMethod of melting raw materials for glass or the like using solid fuels or fuel-batch mixturesPPG INDUSTRIES INC·Filed 1985·Granted Dec 30, 1986·127 cites·40 claims
- 4298US4522958AHigh-solids coating composition for improved rheology control containing chemically modified inorganic microparticlesPPG INDUSTRIES INC·Filed 1983·Granted Jun 11, 1985·376 cites·30 claims
- 4398US4466562AMethod of and apparatus for severing a glass sheetPPG INDUSTRIES INC·Filed 1981·Granted Aug 21, 1984·137 cites·16 claims
- 4498US4381934AGlass batch liquefactionPPG INDUSTRIES INC·Filed 1981·Granted May 3, 1983·134 cites·36 claims
- 4598US4307551ASystem for cladding building exteriorsPPG INDUSTRIES INC·Filed 1979·Granted Dec 29, 1981·129 cites·10 claims
- 4698US4268679A3-[5- or 3-Substituted-5- or 3-isoxazolyl]-1-allyl or alkyl-4-substituted-5-substituted or unsubstituted-2-imidazolidinonesPPG INDUSTRIES INC·Filed 1980·Granted May 19, 1981·100 cites·28 claims
- 4798US4253922ACathode electrocatalysts for solid polymer electrolyte chlor-alkali cellsPPG INDUSTRIES INC·Filed 1979·Granted Mar 3, 1981·77 cites·11 claims
- 4898US4148772AAmine acid salt-containing polymers for cationic electrodepositionPPG INDUSTRIES INC·Filed 1977·Granted Apr 10, 1979·139 cites·16 claims
- 4998US4147688AMethod of preparing dispersions of gelled polymeric microparticles and products produced therebyPPG INDUSTRIES INC·Filed 1977·Granted Apr 3, 1979·130 cites·24 claims
- 5098US4104147AProcess for cationic electrodeposition of amine acid salt-containing polymersPPG INDUSTRIES INC·Filed 1977·Granted Aug 1, 1978·114 cites·15 claims
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