3928579

Information

• Patent Grant
• 3928579

• References
• Source

• Patent Number

  3,928,579

• Date Filed

  Not available

• Date Issued

  Tuesday, December 23, 1975
  49 years ago

• CPC

  • C10C1/18 - by extraction with selective solvents
  • A61K35/04 - Tars Bitumens Mineral oils Ammonium bituminosulfonate

• US Classifications

  • 514 - Drug, bio-affecting and body treating compositions
  • 208 - Mineral oils: processes and products