PPG INDUSTRIES, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 3117
 
  
 
C07D HETEROCYCLIC COMPOUNDS 2160
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 2114
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 2203
 
  
 
A61B DIAGNOSIS; SURGERY; IDENTIFICATION 1239
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 186
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
  
 
C03C CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS159
 
  
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 1101

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2010/0028,684 CONDUCTIVE MULTILAYER STACKSep 25, 08Feb 04, 10[B32B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8134537 Touch display panelDec 30, 08Mar 13, 12[G06F]
7856984 Surgical covering materialDec 21, 06Dec 28, 10[A61B]
6099117 Hinge with wire extending therethroughDec 15, 98Aug 08, 00[G02C]
5956915 Tubular drill mastJun 24, 97Sep 28, 99[E04H]
5840788 Ultraviolet light resistant urethane top coat for golf ballsJun 20, 97Nov 24, 98[B05D, C08K]
5691392 Stable particulate dispersionsFeb 05, 97Nov 25, 97[C08G]
5603818 Treatment of metal parts to provide rust-inhibiting coatingsDec 08, 95Feb 18, 97[C25D]
5539973 Process for manufacturing taper point surgical needlesJun 07, 95Jul 30, 96[B23P]
5466398 Photochromic substituted naphthopyran compoundsJun 21, 93Nov 14, 95[C07D, G02B]
5458814 Substituted naphthopyransDec 09, 93Oct 17, 95[C07D, G02B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2012/0183,806 Pretreatment Compositions and Methods For Coating A Metal SubstrateAbandonedJan 17, 11Jul 19, 12[B05D, C08F, C23F, B32B]
8062746 Resin compatible yarn binder and uses thereofExpiredMar 10, 03Nov 22, 11[D02G, B32B]
7230767 Image display system utilizing light emitting materialExpiredNov 16, 05Jun 12, 07[G02B]
7101930 Waterborn film-forming compositions containing alternating copolymers of isobutylene type monomersExpiredJul 09, 04Sep 05, 06[C08J]
6376597 Pigment dispersions containing dispersants having pendent hydrophilic polymeric segments prepared by controlled radical polymerizationExpiredDec 16, 99Apr 23, 02[C08L]
2001/0010,537 DEVICE FOR PROJECTION ONTO A DOMEAbandonedMar 06, 98Aug 02, 01[H04N]
6183844 Inkjet printing medium comprising multiple coatingsExpiredDec 16, 98Feb 06, 01[B32B]
6171984 Fiber glass based geosynthetic materialExpiredDec 03, 97Jan 09, 01[D03D, D02G]
6132581 Electrocoating compositions containing polyvinylpyrrolidone crater control agentsExpiredApr 22, 99Oct 17, 00[C25D]
6084036 Carboxyl-functional adduct from oh- or epoxy-functional polymer and citric acid (anhydride) with anhydrideExpiredSep 02, 98Jul 04, 00[C08L]
5550006 Phosphating compositions and processes, particularly for use in fabrication of printed circuits utilizing organic resistsExpiredMay 13, 94Aug 27, 96[G03F]
5472522 Making galvanized steel with excellent darkening resistanceExpiredSep 15, 94Dec 05, 95[C23C]
5472649 Method for preparing powder coating compositions having improved particle propertiesExpiredApr 13, 94Dec 05, 95[B29C]
5451304 Process for the electrophoretic internal coating of metal containers for the storage of foodstuffs and beveragesExpiredMar 28, 94Sep 19, 95[C25D]
5405920 Polyurethane powder coatingsExpiredAug 08, 94Apr 11, 95[C08L]
5384077 Photochromic naphthopyran compoundsExpiredJun 21, 93Jan 24, 95[C07D, G02B]
5384169 Process for the preparation of closures for packaging containersExpiredSep 27, 91Jan 24, 95[B29D, B32B]
5342878 Base neutralized, stable, aqueous dispersion of a hydroxyl functional acrylic polymer and coating compositions prepared therefromExpiredFeb 03, 93Aug 30, 94[C08L]
5340894 Polymers derived from polymerizable urethane vinyl estersExpiredFeb 05, 93Aug 23, 94[C08F]
5340857 Photochromic naphthopyransExpiredJul 14, 93Aug 23, 94[C08K]

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