2560638

Information

• Patent Grant
• 2560638

• References
• Source

• Patent Number

  2,560,638

• Date Filed

  Not available

• Date Issued

  Tuesday, July 17, 1951
  73 years ago

• CPC

  • D21C3/20 - with organic solvents or in solvent environment
  • D21C3/006 - with compounds not otherwise provided for
  • D21C3/26 - Multistage processes

• US Classifications

  • 162 - Paper making and fiber liberation