3684451

Information

• Patent Grant
• 3684451

• References
• Source

• Patent Number

  3,684,451

• Date Filed

  Not available

• Date Issued

  Tuesday, August 15, 1972
  52 years ago

• CPC

  • C12Q1/52 - involving transaminase
  • C08F8/30 - Introducing nitrogen atoms or nitrogen-containing groups
  • C12Q1/34 - involving hydrolase
  • C12Q1/42 - involving phosphatase
  • C12Q1/44 - involving esterase
  • G01N33/52 - Use of compounds or compositions for colorimetric, spectrophotometric or fluorometric investigation
  • C12Q2334/30 - Naphthol derivatives, e.g. alpha-naphthyl-esters
  • C12Q2334/70 - the product
  • Y10S435/805 - Test papers
  • Y10S435/814 - Enzyme separation or purification
  • Y10T436/173845 - Amine and quaternary ammonium
  • Y10T436/203332 - Hydroxyl containing

• US Classifications

  • 435 - Chemistry: molecular biology and microbiology
  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing
  • 436 - Chemistry: analytical and immunological testing
  • 521 - Synthetic resins or natural rubbers