2220667

Information

• Patent Grant
• 2220667

• References
• Source

• Patent Number

  2,220,667

• Date Filed

  Not available

• Date Issued

  Tuesday, November 5, 1940
  84 years ago

• CPC

  • C13B20/005 - using chemicals not provided for in groups C13B20/02 - C13B20/14
  • C13B30/04 - Separating crystals from mother liquor

• US Classifications

  • 127 - Sugar, starch, and carbohydrates
  • 210 - Liquid purification or separation
  • 502 - Catalyst, solid sorbent, or support therefor: product or process of making
  • 516 - Colloid systems and wetting agents