3873639

Information

• Patent Grant
• 3873639

• References
• Source

• Patent Number

  3,873,639

• Date Filed

  Not available

• Date Issued

  Tuesday, March 25, 1975
  49 years ago

• CPC

  • C08L77/00 - Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain Compositions of derivatives of such polymers
  • Y10S524/905 - Etch masking compositions

• US Classifications

  • 524 - Synthetic resins or natural rubbers
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 523 - Synthetic resins or natural rubbers
  • 525 - Synthetic resins or natural rubbers