1999546

Information

• Patent Grant
• 1999546

• References
• Source

• Patent Number

  1,999,546

• Date Filed

  Not available

• Date Issued

  Tuesday, April 30, 1935
  89 years ago

• CPC

  • C01C1/022 - Preparation of aqueous ammonia solutions

• US Classifications

  • 095 - Gas separation: processes