Strontium catalyzed alkoxylations
Patent 4306093 Issued on December 15, 1981. Estimated Expiration Date: 
January 24, 2000. 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.
January 24, 2000. 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 2807651 3328306 Process for using clear rinsing agents in mechanical dishwashing Anhydrous catalyst for manufacture of glycol ethers Ethoxylation with strontium bases Patent #: 4223164 InventorsApplicationNo. 06/114868 filed on 01/24/1980US Classes:568/618Preparing from organic hydroxy containing compound (H of -OH may be replaced by a Group IA or IIA light metal)ExaminersPrimary: Evans, Joseph E.Attorney, Agent or FirmInternational ClassesC07C 41/00 (20060101)C07C 41/03 (20060101) C08G 65/00 (20060101) C08G 65/26 (20060101) AbstractStrontium-containing materials catalyze the alkoxylation of alcohols. Strontium produced alkoxylates have sharper alkoxylate distributions, lower free alcohols, lower pour points, and better detergency than alkoxylates obtained from alkali base catalysis. |
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