Breaking oil-in-water emulsions
Patent 4477286 Issued on October 16, 1984. Estimated Expiration Date: 
July 19, 2002. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
July 19, 2002. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 1980118 2711978 3819522 Oil emulsion removal and recovery of oil Method for cleaning membrane filter Demulsification of bitumen emulsions with a high molecular weight mixed alkylene oxide polyol Patent #: 4321146 InventorsApplicationNo. 06/399790 filed on 07/19/1982US Classes:134/10, Including regeneration, purification, recovery or separation of agent used134/40, Oils, grease, tar, or wax removal, by dissolving210/708, Including emulsion breaking516/181The compound contains oxygen (e.g., cresylic acid)ExaminersPrimary: Bashore, S. LeonAssistant: Hastings, Karen M. Attorney, Agent or FirmInternational ClassesC23G 1/00 (20060101)C23G 1/36 (20060101) B01D 17/04 (20060101) Foreign Application Priority Data1982-03-06 DEAbstractThe invention relates to the use of 2,4,7,9-tetramethyl-5-decyne-4,7-diol for breaking oil-in-water emulsions and in regenerating used cleaning compositions by making it possible to remove emulsified oils therefrom.Other References
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