3 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 · 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 · January 14, 1969
Reversible flocculation and redispersion of chrysotile asbestos (US Patent 3,421,975, 1969)
…It was assigned to Union Carbide Corp. The patent's description opens: This invention relates to a method for producing a dry finely divided chrysotile asbestos product which is readily capable of being redispersed in water…