Silicon nitride nanowhiskers and method of making same
Patent 5814290 Issued on September 29, 1998. Estimated Expiration Date: 
July 24, 2015. 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 24, 2015. 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 3394991 3413090 Method of manufacturing ଲ type silicon nitride whiskers Process for the production of silicon nitride Carbon fibrils, method for producing same and compositions containing same Carbon fibrils, method for producing same, and encapsulated catalyst Patent #: 5171560 InventorsAssigneeApplicationNo. 506250 filed on 07/24/1995US Classes:423/344Binary compound (e.g., silicide, etc.)ExaminersPrimary: Langel, Wayne A.Attorney, Agent or FirmForeign Patent References
International ClassC01B 021/068AbstractSilicon nitride nanowhiskers predominantly having diameters substantially less than about 200 nm are disclosed. The nanowhiskers of Si3 N4 are produced by reacting gaseous SiO and N2 at elevated temperature and pressure in a reaction zone in the presence of a plurality of disperse carbon nanotubes having a diameter of from 3.5 to 70 nm.Field of SearchBinary compound (e.g., silicide, etc.) |
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