2630440

Information

• Patent Grant
• 2630440

• References
• Source

• Patent Number

  2,630,440

• Date Filed

  Not available

• Date Issued

  Tuesday, March 3, 1953
  72 years ago

• CPC

  • B01B1/04 - by chemical means

• US Classifications

  • 554 - Organic compounds
  • 516 - Colloid systems and wetting agents
  • 548 - Organic compounds
  • 564 - Organic compounds
  • 568 - Organic compounds