3815553

Information

• Patent Grant
• 3815553

• References
• Source

• Patent Number

  3,815,553

• Date Filed

  Not available

• Date Issued

  Tuesday, June 11, 1974
  50 years ago

• CPC

  • C01B17/54 - by burning elemental sulfur
  • C01B17/48 - Sulfur dioxide Sulfurous acid
  • C01B17/58 - Recovery of sulfur dioxide from acid tar or the like or from any waste sulfuric acid

• US Classifications

  • 122 - Liquid heaters and vaporizers