2299200

Information

• Patent Grant
• 2299200

• References
• Source

• Patent Number

  2,299,200

• Date Filed

  Not available

• Date Issued

  Tuesday, October 20, 1942
  82 years ago

• CPC

  • D21H27/06 - Vegetable or imitation parchment Glassine paper
  • D06M11/55 - with sulfur trioxide with sulfuric acid or thiosulfuric acid or their salts
  • D06M13/358 - Triazines
  • D21H5/08 - Vegetable parchment
  • D21H17/65 - Acid compounds

• US Classifications

  • 008 - Bleaching and dyeing
  • 252 - Compositions