Ethers of polyglycerol
Patent 3932532 Issued on January 13, 1976. Estimated Expiration Date: 
January 13, 1993. 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 13, 1993. 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 2258892 2552529 2626918 2679520 2733272 2831034 2932670 3427248 3742069 InventorsAssigneeApplicationNo. 05/365861 filed on 06/01/1973US Classes:568/613, Acyclic252/396, Oxygen organic compound containing427/180, SOLID PARTICLES OR FIBERS APPLIED568/620, And cyclic ether568/622Hydroxy containing (H of -OH may be replaced by a Group IA or IIA light metal)ExaminersPrimary: Mars, Howard T.International ClassesC07C 41/02 (20060101)C07C 41/00 (20060101) AbstractEthers of polyglycerols and an improved method of preparing said ethers are disclosed. The ethers are prepared by reacting a purified polyglycerol with an alpha olefin epoxide in the presence of an alkali metal alkoxide catalyst.Other References
|
| ||||||||||||||
