US Patent No: 4,522,958

Number of patents in Portfolio can not be more than 2000

High-solids coating composition for improved rheology control containing chemically modified inorganic microparticles

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Abstract

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.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
PPG INDUSTRIES, INC.PITTSBURGH, PA1010

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Boberski, William G Gibsonia, PA 17 492
Das, Suryya K Pittsburgh, PA 51 852
Greigger, Paul P Cranberry Township, PA 14 439
Jones, James E Butler, PA 36 752
Schappert, Raymond F Pittsburgh, PA 9 407
Seiner, Jerome A Pittsburgh, PA 53 1073

Cited Art

Patent Info (Count) # Cites Year
 
E. I. DU PONT DE NEMOURS AND COMPANY (2)
4,238,387 Rheology control additive for paints 18 1978
4,411,951 High solids coating composition of an enamel containing a rheology control additive of silica and polyethylene glycol 25 1982

Patent Citation Ranking

Forward Cites

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