2198739

Information

• Patent Grant
• 2198739

• References
• Source

• Patent Number

  2,198,739

• Date Filed

  Not available

• Date Issued

  Tuesday, April 30, 1940
  84 years ago

• CPC

  • C03B27/022 - the liquid being organic
  • C09K5/08 - Materials not undergoing a change of physical state when used

• US Classifications

  • 065 - Glass manufacturing
  • 148 - Metal treatment