3903240

Information

• Patent Grant
• 3903240

• References
• Source

• Patent Number

  3,903,240

• Date Filed

  Not available

• Date Issued

  Tuesday, September 2, 1975
  49 years ago

• CPC

  • C01F7/745 - Preparation from alums
  • C01F7/28 - with sulfurous acid
  • C01F7/74 - Sulfates

• US Classifications

  • 423 - Chemistry of inorganic compounds