Extrusion method for obtaining high strength composite propellants
Patent 4776993 Issued on October 11, 1988. Estimated Expiration Date: 
October 11, 2005. 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 11, 2005. 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 References3028274 InventorsApplicationNo. 05/470506 filed on 05/14/1974US Classes:264/3.3, Extrusion to form sheet or rod149/109.6, PROCESSES OF MAKING149/19.4, Polyurethane149/19.9, Polymerized conjugated diene149/76Ammonium perchlorateExaminersPrimary: Lechert, Stephen J. Jr.Attorney, Agent or FirmInternational ClassC06B 21/00 (20060101)AbstractA method of manufacturing composite propellants which include compounding e propellant with an extended final mix cycle, partially curing the propellant mixture to a specified hardness, and extruding the propellant under certain conditions. | |
