3487136

Information

• Patent Grant
• 3487136

• References
• Source

• Patent Number

  3,487,136

• Date Filed

  Not available

• Date Issued

  Tuesday, December 30, 1969
  55 years ago

• CPC

  • C04B35/051 - containing chromium oxide or chrome ore

• US Classifications

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