1978197

Information

• Patent Grant
• 1978197

• References
• Source

• Patent Number

  1,978,197

• Date Filed

  Not available

• Date Issued

  Tuesday, October 23, 1934
  90 years ago

• CPC

  • D06P3/793 - using vat or sulfur dyes
  • C09B67/0077 - Preparations with possibly reduced vat, sulfur or indigo dyes

• US Classifications

  • 106 - Compositions: coating or plastic