249275

Information

• Patent Grant
• 249275

• References
• Source

• Patent Number

  249,275

• Date Filed

  Not available

• Date Issued

  Tuesday, November 8, 1881
  143 years ago

• CPC

  • C01D9/12 - with nitrates or magnesium, calcium, strontium, or barium

• US Classifications

  • 423 - Chemistry of inorganic compounds