3726643

Information

• Patent Grant
• 3726643

• References
• Source

• Patent Number

  3,726,643

• Date Filed

  Not available

• Date Issued

  Tuesday, April 10, 1973
  51 years ago

• CPC

  • C04B35/58028 - based on zirconium or hafnium nitrides
  • C01B13/324 - by solid combustion synthesis
  • C01B21/0602 - with two or more other elements chosen from metals, silicon or boron
  • C01B21/0617 - with vanadium, niobium or tantalum
  • C01B21/076 - with titanium or zirconium or hafnium
  • C01B21/0761 - Preparation by direct nitridation of titanium, zirconium or hafnium
  • C01B25/06 - Hydrogen phosphides
  • C01B31/30 - Carbides
  • C01B33/06 - Metal silicides
  • C01B35/04 - Metal borides
  • C01G1/06 - Halides
  • C01G1/12 - Sulfides
  • C01G33/00 - Compounda of niobium
  • C01G39/06 - Sulfides
  • C04B35/01 - based on oxide ceramics
  • C04B35/515 - based on non-oxide ceramics
  • C04B35/56 - based on carbides or oxycarbides
  • C04B35/5611 - based on titanium carbides
  • C04B35/5622 - based on zirconium or hafnium carbides
  • C04B35/58007 - based on refractory metal nitrides
  • C04B35/58014 - based on titanium nitrides
  • C04B35/58071 - based on titanium borides
  • C04B35/58078 - based on zirconium or hafnium borides
  • C04B35/58092 - based on refractory metal silicides
  • C01P2002/77 - by unit-cell parameters, atom positions or structure diagrams
  • C01P2004/61 - Micrometer sized
  • C01P2004/62 - Submicrometer sized
  • C01P2006/10 - Solid density
  • C01P2006/80 - Compositional purity

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 423 - Chemistry of inorganic compounds