3923688

Information

• Patent Grant
• 3923688

• References
• Source

• Patent Number

  3,923,688

• Date Filed

  Not available

• Date Issued

  Tuesday, December 2, 1975
  49 years ago

• CPC

  • C03C15/00 - Surface treatment of glass , not in the form of fibres or filaments, by etching
  • B01D39/06 - Inorganic material
  • B01D53/86 - Catalytic processes
  • B01D67/0058 - by selective elimination of components
  • B01D71/04 - Glass
  • B01J20/3204 - Inorganic carriers, supports or substrates
  • B01J20/3236 - containing metal, other than zeolites
  • B01J20/3289 - Coatings involving more than one layer of same or different nature
  • B01J21/08 - Silica
  • B01J37/06 - Washing
  • C02F1/681 - by addition of solid materials for removing an oily layer on water
  • C03C3/06 - with more than 90% silica by weight
  • C03C3/064 - containing boron
  • C03C3/089 - containing boron
  • C03C3/091 - containing aluminium
  • C03C11/005 - obtained by leaching after a phase separation step
  • C03C2201/10 - containing boron
  • C03C2201/32 - containing aluminium
  • C03C2201/50 - containing alkali metals
  • C03C2201/80 - containing bubbles or microbubbles
  • C03C2203/10 - Melting processes
  • C03C2203/50 - After-treatment
  • Y10S210/924 - using physical agent
  • Y10S502/501 - for multi-regenerability
  • Y10S502/503 - Crush strength

• US Classifications

  • 502 - Catalyst, solid sorbent, or support therefor: product or process of making
  • 210 - Liquid purification or separation
  • 501 - Compositions: ceramic