3468636

Information

• Patent Grant
• 3468636

• References
• Source

• Patent Number

  3,468,636

• Date Filed

  Not available

• Date Issued

  Tuesday, September 23, 1969
  55 years ago

• CPC

  • G01N33/521 - Single-layer analytical elements
  • C08J5/2212 - Natural macromolecular compounds
  • G01N31/00 - Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup Apparatus specially adapted for such methods
  • C08J2301/00 - Characterised by the use of cellulose, modified cellulose or cellulose derivatives

• US Classifications

  • 436 - Chemistry: analytical and immunological testing
  • 210 - Liquid purification or separation