3802429

Information

• Patent Grant
• 3802429

• References
• Source

• Patent Number

  3,802,429

• Date Filed

  Not available

• Date Issued

  Tuesday, April 9, 1974
  50 years ago

• CPC

  • B01D39/14 - Other self-supporting filtering material; Other filtering material
  • A41D13/1115 - with a horizontal pleated pocket
  • B01D2239/0627 - Spun-bonded
  • B01D2239/065 - More than one layer present in the filtering material
  • B01D2239/0668 - The layers being joined by heat or melt-bonding
  • B01D2239/0686 - by spot-gluing
  • B01D2239/1233 - Fibre diameter

• US Classifications

  • 128 - Surgery
  • 055 - Gas separation