1788837

Information

• Patent Grant
• 1788837

• References
• Source

• Patent Number

  1,788,837

• Date Filed

  Not available

• Date Issued

  Tuesday, January 13, 1931
  95 years ago

• CPC

  • C04B41/0081 - characterised by the subsequent cooling step
  • C04B41/0072 - Heat treatment

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes