2642399

Information

• Patent Grant
• 2642399

• References
• Source

• Patent Number

  2,642,399

• Date Filed

  Not available

• Date Issued

  Tuesday, June 16, 1953
  71 years ago

• CPC

  • D21C11/0064 - Aspects concerning the production and the treatment of green and white liquors
  • C01B17/22 - Alkali metal sulfides or polysulfides
  • D21C11/0014 - Combination of various pulping processes with one or several recovery systems (cross-recovery)

• US Classifications

  • 423 - Chemistry of inorganic compounds