3865758

Information

• Patent Grant
• 3865758

• References
• Source

• Patent Number

  3,865,758

• Date Filed

  Not available

• Date Issued

  Tuesday, February 11, 1975
  49 years ago

• CPC

  • B01J20/28045 - Honeycomb or cellular structures; Solid foams or sponges
  • B01J20/22 - comprising organic material
  • C01B31/08 - Active carbon
  • C08J9/009 - Use of pretreated compounding ingredients
  • C08J2375/04 - Polyurethanes
  • Y10S55/13 - Polyurethane filters
  • Y10S521/918 - Physical aftertreatment of a cellular product

• US Classifications

  • 521 - Synthetic resins or natural rubbers
  • 055 - Gas separation
  • 210 - Liquid purification or separation