3575691

Information

• Patent Grant
• 3575691

• References
• Source

• Patent Number

  3,575,691

• Date Filed

  Not available

• Date Issued

  Tuesday, April 20, 1971
  54 years ago

• CPC

  • G01N1/4077 - by other techniques involving separation of suspended solids
  • B01D29/0015 - Filtering bands
  • B01D33/0064 - Devices for handling the filter cake
  • B01D33/04 - with filtering bands or the like supported on cylinders which are impervious for filtering
  • G01N1/28 - Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere
  • G01N15/0618 - of the filter type
  • G01N23/223 - by irradiating the sample with X-rays or gamma-rays and by measuring X-ray fluorescence
  • G01N35/00009 - provided with a sample supporting tape
  • G01N2223/076 - X-ray fluorescence

• US Classifications

  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing
  • 250 - Radiant energy
  • 356 - Optics: measuring and testing