Urea derivative and use as polyurethane catalyst
Patent 4194069 Issued on March 18, 1980. Estimated Expiration Date: 
October 16, 1998. 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.
October 16, 1998. 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 3234153 Beta-amino carbonyl catalysts for polyurethane preparation Patent #: 4012445 InventorsAssigneeApplicationNo. 05/952027 filed on 10/16/1978US Classes:521/129, Nitrogen compound contains a nitrogen atom bonded to three carbon atoms and wherein none of the carbon atoms are double-bonded to oxygen528/53, Organic nitrogen compound contains a nitrogen atom bonded to three atoms or carbon544/106Morpholines (i.e., fully hydrogenated 1,4-oxazinesExaminersPrimary: Welsh, Maurice J.Attorney, Agent or FirmInternational ClassesC08G 18/00 (20060101)C08G 18/20 (20060101) C08G 18/16 (20060101) AbstractCovers N-(3-dimethylaminopropyl)-N'-(3-morpholinopropyl)urea. Also covers a method of producing a polyurethane by utilizing said above compound as a catalyst in reacting an organic polyisocyanate with an organic polyester polyol or polyether polyol in the presence of said catalyst. |
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