3421619

Information

• Patent Grant
• 3421619

• References
• Source

• Patent Number

  3,421,619

• Date Filed

  Not available

• Date Issued

  Tuesday, January 14, 1969
  56 years ago

• CPC

  • C30B25/005 - Growth of whiskers or needles
  • B07B4/08 - while the mixtures are supported by sieves, screens, or like mechanical elements
  • B07B7/12 - with pulsating air currents
  • B07B11/04 - Control arrangements
  • C03B37/10 - Non-chemical treatment
  • C30B29/20 - Aluminium oxides
  • C30B29/62 - Whiskers or needles
  • C30B33/00 - After-treatment of single crystals or homogeneous polycrystalline material with defined structure

• US Classifications

  • 209 - Classifying, separating, and assorting solids
  • 019 - Textiles: fiber preparation