2996391

Information

• Patent Grant
• 2996391

• References
• Source

• Patent Number

  2,996,391

• Date Filed

  Not available

• Date Issued

  Tuesday, August 15, 1961
  63 years ago

• CPC

  • C03C3/16 - containing phosphorus
  • C03C3/19 - containing boron
  • Y10S501/902 - having ABBE number at least 70
  • Y10S501/903 - having refractive index less than 1.8 and ABBE number less than 70

• US Classifications

  • 501 - Compositions: ceramic