1980827

Information

• Patent Grant
• 1980827

• References
• Source

• Patent Number

  1,980,827

• Date Filed

  Not available

• Date Issued

  Tuesday, November 13, 1934
  90 years ago

• CPC

  • C09C1/54 - Acetylene black Thermal black; Preparation thereof
  • Y10S165/032 - having gas supply or exhaust manifold structure

• US Classifications

  • 165 - Heat exchange
  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing