3729551

Information

• Patent Grant
• 3729551

• References
• Source

• Patent Number

  3,729,551

• Date Filed

  Not available

• Date Issued

  Tuesday, April 24, 1973
  52 years ago

• CPC

  • C01B17/44 - by reduction of sulfates
  • C01B17/0404 - by processes comprising a dry catalytic conversion of hydrogen sulfide-containing gases
  • C01B17/506 - of calcium sulfates
  • C01F11/08 - by reduction of sulfates

• US Classifications

  • 423 - Chemistry of inorganic compounds