3862280

Information

• Patent Grant
• 3862280

• References
• Source

• Patent Number

  3,862,280

• Date Filed

  Not available

• Date Issued

  Tuesday, January 21, 1975
  50 years ago

• CPC

  • D21H21/34 - Ignifugeants
  • B01J19/32 - Packing elements in the form of grids or built-up elements for forming a unit or module inside the apparatus for mass or heat transfer
  • C03C25/101 - containing particles, fibres or flakes
  • C03C25/1015 - with rubber latex-containing coatings
  • C03C25/26 - Macromolecular compounds or prepolymers
  • C04B41/4838 - Halogenated polymers
  • D04H1/641 - characterised by the chemical composition of the bonding agent
  • D06M15/227 - of hydrocarbons, or reaction products thereof
  • D06M15/55 - Epoxy resins
  • D21H5/0002 - Flame-resistant papers; (complex) compositions rendering paper fire-resistant
  • D21H17/74 - of organic and inorganic material
  • D21H27/40 - at least one of the sheets being non-planar
  • F28C1/02 - with counter-current only
  • F28C1/04 - with cross-current only
  • F28F25/087 - Vertical or inclined sheets; Supports or spacers
  • B01J2219/3221 - Corrugated sheets
  • B01J2219/3222 - with sheets having corrugations which intersect at an angle different from 90 degrees
  • B01J2219/32227 - Vertical orientation
  • B01J2219/32425 - Ceramic
  • B01J2219/32441 - Glass
  • B01J2219/32483 - Plastics
  • Y10T428/24661 - Forming, or cooperating to form cells

• US Classifications

  • 261 - Gas and liquid contact apparatus
  • 428 - Stock material or miscellaneous articles