6 results for “Union Carbide Corporation”
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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 · 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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Patent · November 5, 1968 · page 1
Chrysotile asbestos fiber dispersion including monocarboxylic acid (US Patent 3,409,499, 1968)
In the document: …assignors to Union Carbide Corporation, acid, which is adsorbed onto the surface of the asbestos fibers. The present invention differs from our previous a corporation of New York invention in that the dispersed state herein is…
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Patent · January 10, 1967 · page 1
Process for dispersing asbestos (US Patent 3,297,516, 1967)
In the document: …the Warwick, N.Y., assignors to Union Carbide Corpora pH of the resulting aqueous slurry is from about 4.0 to tion, a corporation of New York about 6.0, thereby forming a highly charged, strongly…
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Patent · January 14, 1969 · page 1
Reversible flocculation and redispersion of chrysotile asbestos (US Patent 3,421,975, 1969)
In the document: …ASBESTOS Robert G. Woolery, Monroe, and William H. Dresher, Warwick, N.Y., assignors to Union Carbide Corpora tion, a corporation of New York No Drawing. Filed Apr. 30, 1965, Ser. No. 452,360 U.S. C…
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Patent · June 14, 1966 · page 1
Sulfur treated asbestos (US Patent 3,256,106, 1966)
In the document: …Reichard, Livingston, N.J., assignors to Union Carbide 5 Additional innewstandard properties exhibited by the asbestos Corporation, a corporation of New York after treatment by the process taught herein include in No Drawing. Fied Dec. 1…