1975340

Information

• Patent Grant
• 1975340

• References
• Source

• Patent Number

  1,975,340

• Date Filed

  Not available

• Date Issued

  Tuesday, October 2, 1934
  89 years ago

• CPC

  • C09B29/08 - Amino benzenes
  • C09B29/16 - Naphthol-sulfonic acids

• US Classifications

  • 534 - Organic compounds
  • 436 - Chemistry: analytical and immunological testing