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Organic Compounds -- Part Of The Class 532-570 Series > Azo Compounds Containing Formaldehyde Reaction Product As The Coupling Component > Amino Nitrogen Containing (e.g., Urea, Sulfonamides, Nitrosamines, Oxyamines, Etc., And Salts Thereof) > Hydroxy Containing (h Of -oh May Be Replaced By A Group Ia Or Iia Light Metal) > Benzene Ring Containing > Phenols (h Of -oh May Be Replaced By A Group Ia Or Iia Light Metal) > Purification Or Recovery Purification Or RecoveryPurification Or Recovery patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.06/08/06 - 20060122438 - Method of purifying phenol A method of purifying a phenol stream that contains a concentration of a contaminating compound is provided. The phenol stream is treated or purified by contacting the stream, under suitable process conditions, with a treatment catalyst that has a low silica content but comprises alumina and a Group VIA metal. ... ### FreshPatents.com Support |