3822142

Information

• Patent Grant
• 3822142

• References
• Source

• Patent Number

  3,822,142

• Date Filed

  Not available

• Date Issued

  Tuesday, July 2, 1974
  51 years ago

• CPC

  • C04B41/5338 - Etching

• US Classifications

  • 427 - Coating processes
  • 216 - Etching a substrate: processes
  • 252 - Compositions
  • 524 - Synthetic resins or natural rubbers