1620940

Information

• Patent Grant
• 1620940

• References
• Source

• Patent Number

  1,620,940

• Date Filed

  Not available

• Date Issued

  Tuesday, March 15, 1927
  97 years ago

• CPC

  • C04B41/0081 - characterised by the subsequent cooling step

• US Classifications

  • 427 - Coating processes