- Collection: Union Carbide documents
- Organization: United States Patent Office (patent assigned to Union Carbide Corporation)
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9 results for “Union Carbide Corporation”
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Company document · Union Carbide documents · December 21, 1965
U.S. Patent 3,224,965, Water and Waste Treatment, R. G. Woolery, assignor to Union Carbide Corporation (1965)
…Dec. 21, 1965 to Robert G. Woolery and assigned to Union Carbide Corporation, describes a process for clarifying water and waste liquids by contacting them with opened chrysotile asbestos, preferably 'Coalinga-type' asbestos from the Coalinga…
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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…
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Company document · Union Carbide documents · August 6, 1968
U.S. Patent 3,396,139, Asbestos-Modified Thermoplastic Polyhydroxyethers, R. H. Snedeker, Union Carbide (1968)
…issued Aug. 6, 1968 to Robert H. Snedeker, assignor to Union Carbide Corporation, for thermoplastic polyhydroxyether compositions containing 30 to 50% highly refined, water-dispersed asbestos, preferably Coalinga chrysotile. It gives the preparation of the resin…
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Company document · Union Carbide documents · June 14, 1966
U.S. Patent 3,256,106, Sulfur Treated Asbestos, W. H. Dresher and H. F. Reichard, assigned to Union Carbide (1966)
U.S. Patent 3,256,106, issued June 14, 1966, describes a process of treating dry chrysotile asbestos, especially Coalinga-type, with sulfur dioxide gas to reduce discoloration in vinyl-asbestos tile mixtures. It gives test tables on sulfur content,…
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Company document · Union Carbide documents · June 6, 1967
U.S. Patent 3,324,073, Transparent, Stress-Crack Resistant Polyhydroxyether Compositions (Petter, Whitworth and Zutty, Union Carbide) (1967)
United States Patent 3,324,073, issued June 6, 1967 to Union Carbide Corporation as assignee, for transparent, stress-crack resistant thermoplastic polyhydroxyether compositions modified with 2% to 12% refined, water-dispersed, opened chrysotile asbestos fibers…
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Company document · Union Carbide documents · January 14, 1969
U.S. Patent No. 3,421,975, Reversible Flocculation and Redispersion of Chrysotile Asbestos (Woolery and Dresher, assignors to Union Carbide) (1969)
…1965, and issued January 14, 1969, to Union Carbide Corporation as assignee. It describes a process for flocculating chrysotile asbestos dispersed in water by raising the pH to 6.0-10.5, filtering and drying it…
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Company document · Union Carbide documents · February 11, 1969
U.S. Patent 3,427,280, L. G. Imhof, Curable Carboxyl-Containing Olefin Polymer Compositions Cured with Chrysotile Asbestos (1969)
…11, 1969 to Lawrence G. Imhof, assignor to Union Carbide Corporation, for ethylene-acrylic acid and other carboxyl-containing olefin polymer compositions cured by blending and heating with refined, water-dispersed chrysotile asbestos fibers. It gives…
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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…
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Company document · Union Carbide documents · November 5, 1968
U.S. Patent 3,409,499, Dresher and Naumann, Chrysotile Asbestos Fiber Dispersion Including Monocarboxylic Acid (1968)
…filed May 14, 1965, assigned to Union Carbide Corporation. It describes a process for making stable water dispersions of finely divided chrysotile asbestos by adding a monocarboxylic acid and applying high-speed shearing forces. It gives…