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• Person: Stephen Chwastiak ×
• Organization: United States Patent Office (patent assigned to Union Carbide Corporation) ×
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2 results for “Union Carbide Corporation”

1. Company document · Union Carbide documents · October 7, 1969

   U.S. Patent 3,471,438, S. Chwastiak, Asbestos Composition for Thickening Polyester Resins, assigned to Union Carbide (1969)

   …issued Oct. 7, 1969 to Stephen Chwastiak, assignor to Union Carbide Corporation, for an asbestos composition. It describes chrysotile asbestos given a precipitated siliceous outer layer, for use as a thickening agent and filler in polyester…

2. Company document · Union Carbide documents · October 7, 1969

   U.S. Patent No. 3,471,438, S. Chwastiak, Asbestos Composition: Silica-Coated Chrysotile Thickener for Polyester Resins (1969)

   …7, 1969, assigned to Union Carbide Corporation. It describes chrysotile asbestos coated with precipitated silica for use as a thickening agent and filler in polyester resins. It gives laboratory and plant-scale viscosity data comparing the…