2987444

Information

• Patent Grant
• 2987444

• References
• Source

• Patent Number

  2,987,444

• Date Filed

  Not available

• Date Issued

  Tuesday, June 6, 1961
  63 years ago

• CPC

  • A61K9/50 - Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer
  • A61K9/16 - Agglomerates Granulates Microbeadlets; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
  • A61K31/59 - Compounds containing 9, 10- seco- cyclopenta[a]hydrophenanthrene ring systems
  • B01D1/18 - to obtain dry solids
  • B01F1/00 - Dissolving
  • C09H9/04 - in the form of granules

• US Classifications

  • 427 - Coating processes
  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing
  • 424 - Drug, bio-affecting and body treating compositions
  • 426 - Food or edible material: processes, compositions, and products
  • 514 - Drug, bio-affecting and body treating compositions
  • 530 - Chemistry: natural resins or derivatives