3028397

Information

• Patent Grant
• 3028397

• References
• Source

• Patent Number

  3,028,397

• Date Filed

  Not available

• Date Issued

  Tuesday, April 3, 1962
  62 years ago

• CPC

  • C09B11/245 - Phthaleins having both OH and amino substituent(s) on aryl ring
  • Y10S436/80 - Fluorescent dyes
  • Y10S436/826 - Additives

• US Classifications

  • 549 - Organic compounds
  • 436 - Chemistry: analytical and immunological testing
  • 558 - Organic compounds