3821074

Information

• Patent Grant
• 3821074

• References
• Source

• Patent Number

  3,821,074

• Date Filed

  Not available

• Date Issued

  Friday, June 28, 1974
  50 years ago

• CPC

  • H01B3/485 - Other fibrous materials fabric
  • D04H1/64 - the bonding agent being applied in wet state
  • D21H13/22 - Condensation polymers of aldehydes or ketones

• US Classifications

  • 162 - Paper making and fiber liberation