2730445

Information

• Patent Grant
• 2730445

• References
• Source

• Patent Number

  2,730,445

• Date Filed

  Not available

• Date Issued

  Tuesday, January 10, 1956
  69 years ago

• CPC

  • D21C11/0014 - Combination of various pulping processes with one or several recovery systems (cross-recovery)
  • D21C3/26 - Multistage processes
  • D21C11/0071 - Treatment of green or white liquors with gases

• US Classifications

  • 162 - Paper making and fiber liberation