3907609

Information

• Patent Grant
• 3907609

• References
• Source

• Patent Number

  3,907,609

• Date Filed

  Not available

• Date Issued

  Tuesday, September 23, 1975
  49 years ago

• CPC

  • C23C22/64 - Treatment of refractory metals or alloys based thereon

• US Classifications

  • 148 - Metal treatment
  • 106 - Compositions: coating or plastic
  • 134 - Cleaning and liquid contact with solids
  • 216 - Etching a substrate: processes
  • 252 - Compositions