2140198

Information

• Patent Grant
• 2140198

• References
• Source

• Patent Number

  2,140,198

• Date Filed

  Not available

• Date Issued

  Tuesday, December 13, 1938
  86 years ago

• CPC

  • C08C1/075 - Concentrating

• US Classifications

  • 523 - Synthetic resins or natural rubbers
  • 524 - Synthetic resins or natural rubbers
  • 528 - Synthetic resins or natural rubbers